DE69713309T2 - Aldehyd-modifizierte zellulosefasern für hohe anfangsnassfestigkeit aufweisende papierprodukte - Google Patents

Aldehyd-modifizierte zellulosefasern für hohe anfangsnassfestigkeit aufweisende papierprodukte

Info

Publication number
DE69713309T2
DE69713309T2 DE69713309T DE69713309T DE69713309T2 DE 69713309 T2 DE69713309 T2 DE 69713309T2 DE 69713309 T DE69713309 T DE 69713309T DE 69713309 T DE69713309 T DE 69713309T DE 69713309 T2 DE69713309 T2 DE 69713309T2
Authority
DE
Germany
Prior art keywords
aldehyd
cellulose fibers
modified cellulose
paper products
high initial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69713309T
Other languages
English (en)
Other versions
DE69713309D1 (de
Inventor
Jay Smith
Ed Ruth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of DE69713309D1 publication Critical patent/DE69713309D1/de
Application granted granted Critical
Publication of DE69713309T2 publication Critical patent/DE69713309T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00Preparation of cellulose esters of organic acids
    • C08B3/22Post-esterification treatments, including purification
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/34Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxygen, ozone or ozonides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00Preparation of cellulose esters of organic acids
    • C08B3/12Preparation of cellulose esters of organic acids of polybasic organic acids
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/192Polycarboxylic acids; Anhydrides, halides or salts thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/203Unsaturated carboxylic acids; Anhydrides, halides or salts thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/203Unsaturated carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/2035Aromatic acids
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001Modification of pulp properties
    • D21C9/002Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/20Chemically or biochemically modified fibres
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18Reinforcing agents
    • D21H21/20Wet strength agents
DE69713309T 1996-03-28 1997-03-25 Aldehyd-modifizierte zellulosefasern für hohe anfangsnassfestigkeit aufweisende papierprodukte Expired - Fee Related DE69713309T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/624,827 US5698688A (en) 1996-03-28 1996-03-28 Aldehyde-modified cellulosic fibers for paper products having high initial wet strength
PCT/US1997/004835 WO1997036037A2 (en) 1996-03-28 1997-03-25 Aldehyde-modified cellulosic fibers for paper products having high initial wet strength

Publications (2)

Publication Number Publication Date
DE69713309D1 DE69713309D1 (de) 2002-07-18
DE69713309T2 true DE69713309T2 (de) 2003-01-16

Family

ID=24503473

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713309T Expired - Fee Related DE69713309T2 (de) 1996-03-28 1997-03-25 Aldehyd-modifizierte zellulosefasern für hohe anfangsnassfestigkeit aufweisende papierprodukte

Country Status (10)

Country Link
US (1) US5698688A (de)
EP (1) EP0889988B1 (de)
JP (1) JP3076377B2 (de)
KR (1) KR100302361B1 (de)
AU (1) AU2589397A (de)
BR (1) BR9708433A (de)
CA (1) CA2250153C (de)
DE (1) DE69713309T2 (de)
ES (1) ES2175392T3 (de)
WO (1) WO1997036037A2 (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2345397A (en) 1996-03-28 1997-10-17 Procter & Gamble Company, The Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers
US6127593A (en) * 1997-11-25 2000-10-03 The Procter & Gamble Company Flushable fibrous structures
SE513243C2 (sv) * 1998-12-11 2000-08-07 Sca Research Ab Förfarande för förhöjning av våtstyrkan hos ett tissuematerial samt tissuematerialet enligt förfarandet
SE513261C2 (sv) * 1998-12-16 2000-08-14 Sca Hygiene Prod Ab Absorberande alster innefattande en synergistisk kombination av en pH-reglerande substans och mjölksyrabakterier
US6324490B1 (en) 1999-01-25 2001-11-27 J&L Fiber Services, Inc. Monitoring system and method for a fiber processing apparatus
US6265052B1 (en) 1999-02-09 2001-07-24 The Procter & Gamble Company Tissue paper
DE19953590A1 (de) * 1999-11-08 2001-05-17 Sca Hygiene Prod Gmbh Oxidierte cellulosehaltige Faserstoffe und daraus hergestellte Produkte
AU768725B2 (en) * 1999-02-24 2004-01-08 Sca Hygiene Products Gmbh Oxidized cellulose-containing fibrous materials and products made therefrom
US6695950B1 (en) 1999-08-17 2004-02-24 National Starch And Chemical Investment Holding Corporation Aldehyde modified cellulose pulp for the preparation of high strength paper products
US6368456B1 (en) 1999-08-17 2002-04-09 National Starch And Chemical Investment Holding Corporation Method of making paper from aldehyde modified cellulose pulp with selected additives
US6228126B1 (en) 1999-08-17 2001-05-08 National Starch And Chemical Investment Holding Corporation Paper prepared from aldehyde modified cellulose pulp and the method of making the pulp
US6586588B1 (en) 1999-08-17 2003-07-01 National Starch And Chemical Investment Holding Corporation Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking
IL137887A0 (en) 1999-08-17 2001-10-31 Nat Starch Chem Invest Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking
DE19953589B4 (de) 1999-11-08 2005-05-25 Sca Hygiene Products Gmbh Polysaccharid mit funktionellen Gruppen, Verfahren zu dessen Herstellung und daraus hergestellte Produkte
DE19953591A1 (de) * 1999-11-08 2001-05-17 Sca Hygiene Prod Gmbh Metallvernetzbare oxidierte cellulosehaltige Faserstoffe und daraus hergestellte Produkte
US20020096281A1 (en) * 1999-11-19 2002-07-25 Hans Wallenius Wet-strong tissue paper
US6866906B2 (en) 2000-01-26 2005-03-15 International Paper Company Cut resistant paper and paper articles and method for making same
US6582559B2 (en) * 2000-05-04 2003-06-24 Sca Hygiene Products Zeist B.V. Aldehyde-containing polymers as wet strength additives
US6540876B1 (en) 2000-05-19 2003-04-01 National Starch And Chemical Ivnestment Holding Corporation Use of amide or imide co-catalysts for nitroxide mediated oxidation
US6749721B2 (en) 2000-12-22 2004-06-15 Kimberly-Clark Worldwide, Inc. Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
US6821383B2 (en) * 2001-03-28 2004-11-23 National Starch And Chemical Investment Holding Corporation Preparation of modified fluff pulp, fluff pulp products and use thereof
US6849156B2 (en) 2001-07-11 2005-02-01 Arie Cornelis Besemer Cationic fibers
US20030131958A1 (en) * 2001-11-30 2003-07-17 Thomas Jaschinski Use of ozone for increasing the wet strength of paper and nonwoven
GB2382592A (en) * 2001-11-30 2003-06-04 Sca Hygiene Prod Gmbh Use of ozone to enhance the wet strength of fibrous cellulosic material
RU2330911C2 (ru) 2002-09-13 2008-08-10 Интернэшнл Пейпер Компани Бумага с улучшенной жесткостью и пухлостью и способ для ее изготовления
US6916402B2 (en) * 2002-12-23 2005-07-12 Kimberly-Clark Worldwide, Inc. Process for bonding chemical additives on to substrates containing cellulosic materials and products thereof
WO2005054297A2 (en) 2003-11-28 2005-06-16 Eastman Chemical Company Cellulose interpolymers and method of oxidation
US7361399B2 (en) * 2004-05-24 2008-04-22 International Paper Company Gloss coated multifunctional printing paper
CN101031686A (zh) * 2004-07-14 2007-09-05 国际纸业公司 造纸方法
US7670459B2 (en) 2004-12-29 2010-03-02 Kimberly-Clark Worldwide, Inc. Soft and durable tissue products containing a softening agent
ES2369994T3 (es) 2005-02-11 2011-12-09 International Paper Company Sustratos de papel útiles en aplicaciones de cinta para tablas de fibra prensada.
CN101137790A (zh) * 2005-03-11 2008-03-05 国际纸业公司 含有可膨胀微球和离子化合物的组合物及其制造和使用方法
MX2007011271A (es) * 2005-03-16 2007-11-07 Int Paper Co Substratos de papel utiles en aplicaciones de cinta para pladur.
BRPI0615512A2 (pt) * 2005-07-11 2011-05-17 Int Paper Co substrato de papel ou papelão, papelão corrugado, e pacote, cartucho, ou caixa
US8025973B2 (en) * 2005-07-22 2011-09-27 Internatonal Paper Company Paper substrate containing a fluorine containing compound and having enhanced grease-resistance and glueability
EP1954879A2 (de) * 2005-10-31 2008-08-13 International Paper Company Antikorrosives papier- oder pappematerial
US7682438B2 (en) * 2005-11-01 2010-03-23 International Paper Company Paper substrate having enhanced print density
PL1951955T3 (pl) 2005-11-01 2013-06-28 Int Paper Co Podłoże papiernicze o zwiększonej gęstości drukarskiej
CN101449002B (zh) 2006-01-17 2012-02-15 国际纸业公司 包含高表面施胶和低内部施胶并具有高尺寸稳定性的纸张衬底
US7622022B2 (en) 2006-06-01 2009-11-24 Benny J Skaggs Surface treatment of substrate or paper/paperboard products using optical brightening agent
US7666274B2 (en) * 2006-08-01 2010-02-23 International Paper Company Durable paper
CN102887005A (zh) * 2007-05-21 2013-01-23 国际纸业公司 具有改善的图像耐水性、表面强度和运行性的记录片材
EP2148700B1 (de) 2007-05-23 2015-04-29 International Paper Company Zusammensetzungen und partikel mit cellulosefasern und stabilisierten und/oder aktivierten ureasehemmern sowie verfahren zu deren herstellung und verwendung
WO2009085308A2 (en) 2007-12-26 2009-07-09 International Paper Company A paper substrate containing a wetting agent and having improved print mottle
EP2274484B1 (de) * 2008-03-20 2012-11-14 International Paper Company Papiersubstrate als universelle trennmittel
PT3000933T (pt) 2008-03-31 2018-10-25 Int Paper Co Folha de registo com qualidade de impressão melhorada a baixos níveis de aditivos
EP2787120A1 (de) * 2008-06-20 2014-10-08 International Paper Company Aufzeichnungsblatt mit verbesserten optischen Eigenschaften
WO2009158611A1 (en) * 2008-06-26 2009-12-30 International Paper Company Recording sheet with improved print density
WO2010025383A1 (en) 2008-08-28 2010-03-04 International Paper Company Expandable microspheres and methods of making and using the same
US9296244B2 (en) 2008-09-26 2016-03-29 International Paper Company Composition suitable for multifunctional printing and recording sheet containing same
CA2738923C (en) * 2008-10-01 2016-06-21 International Paper Company A paper substrate containing a wetting agent and having improved printability
JP5202284B2 (ja) * 2008-12-22 2013-06-05 株式会社日立産機システム 熱硬化性樹脂組成物
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
KR101728910B1 (ko) 2009-05-28 2017-04-20 게페 첼루로제 게엠베하 화학적 크래프트 섬유로부터의 변형된 셀룰로즈 및 이들을 제조 및 사용하는 방법
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
WO2010148156A1 (en) * 2009-06-16 2010-12-23 International Paper Company Anti-microbial paper substrates useful in wallboard tape applications
CN104947509B (zh) 2009-08-05 2017-11-03 国际纸业公司 干燥绒毛浆片材添加剂
MY162376A (en) 2009-08-05 2017-06-15 Shell Int Research Method for monitoring a well
PT2462277E (pt) 2009-08-05 2015-01-02 Int Paper Co Processo para a aplicação de composição contendo um metal trivalente catiónica e desligante e uma folha de polpa de felpa feita a partir da mesma
IN2012DN06316A (de) * 2009-12-29 2015-10-02 Internat Paper Do Brasil Ltda
CN103003489B (zh) 2010-07-20 2016-01-20 国际纸业公司 包含多价阳离子型金属和含胺抗静电剂的组合物及制造和使用方法
US8871054B2 (en) 2010-07-22 2014-10-28 International Paper Company Process for preparing fluff pulp sheet with cationic dye and debonder surfactant
US8663427B2 (en) 2011-04-07 2014-03-04 International Paper Company Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs
WO2012067976A1 (en) 2010-11-16 2012-05-24 International Paper Company Paper sizing composition with salt of calcium (ii) and organic acid products made thereby,method of using, and method of making
US8388807B2 (en) 2011-02-08 2013-03-05 International Paper Company Partially fire resistant insulation material comprising unrefined virgin pulp fibers and wood ash fire retardant component
BR112014001324A2 (pt) 2011-07-20 2017-04-18 Int Paper Co substrato de papel de múltiplas-camadas, fita de ligação de painel de parede, método para instalar ou reparar o painel de parede e método para preparar o substrato de papel
WO2013112511A2 (en) 2012-01-23 2013-08-01 International Paper Company Separated treatment of paper substrate with multivalent metal salts and obas
US9206552B2 (en) 2012-02-17 2015-12-08 International Paper Company Absorbent plastic pigment with improved print density containing and recording sheet containing same
CN108060606B (zh) 2012-08-10 2022-01-04 国际纸业公司 绒毛浆和高sap载荷的芯材
JP6177119B2 (ja) * 2012-12-28 2017-08-09 花王株式会社 酸化セルロース繊維の製造方法
RU2661836C2 (ru) 2013-03-15 2018-07-19 ДжиПи СЕЛЛЬЮЛОУС ГМБХ Крафт-волокно с низкой вязкостью, имеющее повышенное содержание карбоксильных групп, и способы его получения и применения

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE669912A (de) * 1964-09-29 1966-01-17
US3505312A (en) * 1969-03-27 1970-04-07 Eastman Kodak Co Method of manufacture of high phthalyl content cellulose acetate phthalate
JPS4819231B1 (de) * 1970-03-06 1973-06-12
JPS4917367B1 (de) * 1970-04-07 1974-04-30
JPS4917482B1 (de) * 1970-06-17 1974-05-01
US4026928A (en) * 1970-10-27 1977-05-31 Arco Polymers, Inc. Low molecular weight vinyl polymers and process for preparing
US3870702A (en) * 1971-03-19 1975-03-11 Shinetsu Chemical Co Cellulose ether compositions useful as enteric coatings
US3933746A (en) * 1973-06-14 1976-01-20 Ball Corporation Photopolymerizable polymers having anhydride-containing groups
JPS549619A (en) * 1977-06-23 1979-01-24 Oji Paper Co Photosensitive composition
US4226981A (en) * 1977-09-28 1980-10-07 Shin-Etsu Chemical Co., Ltd. Ether-ester derivatives of cellulose and their applications
US4283553A (en) * 1979-09-24 1981-08-11 Ivanchev Sergei S Hydroperoxide derivatives of hydroxyethylated compounds and method of producing same
EP0220960B1 (de) * 1985-10-28 1992-08-26 Sumitomo Chemical Company, Limited Herstellung von Harnstoff-Polyaminharzen für Papierbekleidungszusammensetzungen
US5238686A (en) * 1986-03-27 1993-08-24 Kinaform Technology, Inc. Sustained-release pharmaceutical preparation
JPH0790670B2 (ja) * 1987-02-04 1995-10-04 富士写真フイルム株式会社 平版印刷版用版面保護剤
US5028655A (en) * 1987-12-15 1991-07-02 Union Oil Company Of California Fast cure, zero formaldehyde binder for cellulose
US4939200A (en) * 1988-01-28 1990-07-03 Union Oil Company Of California Fast curing binder for cellulose
US4820307A (en) * 1988-06-16 1989-04-11 The United States Of America As Represented By The Secretary Of Agriculture Catalysts and processes for formaldehyde-free durable press finishing of cotton textiles with polycarboxylic acids
IT1230576B (it) * 1988-10-20 1991-10-28 Angeli Inst Spa Formulazioni farmaceutiche per via orale a liberazione selettiva nel colon
US5104923A (en) * 1989-03-31 1992-04-14 Union Oil Company Of California Binders for imparting high wet strength to nonwovens
US5026559A (en) * 1989-04-03 1991-06-25 Kinaform Technology, Inc. Sustained-release pharmaceutical preparation
US4983401A (en) * 1989-05-22 1991-01-08 Kinaform Technology, Inc. Sustained release pharmaceutical preparations having pH controlled membrane coatings
US5102668A (en) * 1990-10-05 1992-04-07 Kingaform Technology, Inc. Sustained release pharmaceutical preparation using diffusion barriers whose permeabilities change in response to changing pH

Also Published As

Publication number Publication date
EP0889988A2 (de) 1999-01-13
DE69713309D1 (de) 2002-07-18
KR20000005090A (ko) 2000-01-25
WO1997036037A3 (en) 1997-11-06
JP3076377B2 (ja) 2000-08-14
JPH11507110A (ja) 1999-06-22
CA2250153A1 (en) 1997-10-02
US5698688A (en) 1997-12-16
ES2175392T3 (es) 2002-11-16
WO1997036037A2 (en) 1997-10-02
KR100302361B1 (ko) 2001-11-15
BR9708433A (pt) 1999-08-03
AU2589397A (en) 1997-10-17
CA2250153C (en) 2004-03-23
EP0889988B1 (de) 2002-06-12

Similar Documents

Publication Publication Date Title
DE69713309T2 (de) Aldehyd-modifizierte zellulosefasern für hohe anfangsnassfestigkeit aufweisende papierprodukte
ID24951A (id) Komposist-komposit serat selulosa
DE69607786T2 (de) Falzapparat für Blätterbund
DE69624710T2 (de) Hochsaugfähige doppelgekreppte faserbahn
DE69602443T2 (de) Faserstoffbahn
DE59605126D1 (de) Cellulosefaser
DE69732038D1 (de) Füllstoffe für papier
ID30152A (id) Proses pembuatan kertas
ID16226A (id) Silinder penyaring pulp kertas
ATE309709T1 (de) Zigarettenpapier
DE69502383T2 (de) Mehrfach gefalztes Papier für kontinuierliche Verfügung
DE69808061D1 (de) Cellulose bindende fasern
DE59607905D1 (de) Kalander für Papierbahnen
ID16844A (id) Proses pembuatan kertas
DE69514561D1 (de) Kalandervorrichtung für Papier
DE69501467D1 (de) Verbindungselement für mehrfachfaserkabel
DE69711108T2 (de) Stärke für Papierherstellung
DE59605207D1 (de) Emissionsarme bindemittel für überzüge
ID18754A (id) Pemutihan bubur kertas
FI943096A0 (fi) Paperikoneen kuivatusosa
FI101238B (fi) Kuiturainan kuivauslaite
DE29617106U1 (de) Papier
FI970419A (fi) Menetelmä selluloosamassan valmistamiseksi
DE69817014D1 (de) Extrusionsverfahren für fasern
DE29508352U1 (de) Stoffauflauf für Papiermaschinen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee