DE3064389D1 - Poly-ion complex, process for its preparation and shaped articles prepared therefrom - Google Patents

Poly-ion complex, process for its preparation and shaped articles prepared therefrom

Info

Publication number
DE3064389D1
DE3064389D1 DE8080301883T DE3064389T DE3064389D1 DE 3064389 D1 DE3064389 D1 DE 3064389D1 DE 8080301883 T DE8080301883 T DE 8080301883T DE 3064389 T DE3064389 T DE 3064389T DE 3064389 D1 DE3064389 D1 DE 3064389D1
Authority
DE
Germany
Prior art keywords
poly
preparation
shaped articles
prepared therefrom
ion complex
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
Application number
DE8080301883T
Other languages
English (en)
Inventor
Junichi Koshugi
Koji Seguchi
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.)
Kureha Corp
Original Assignee
Kureha Corp
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
Priority claimed from JP7046479A external-priority patent/JPS55161803A/ja
Priority claimed from JP7046579A external-priority patent/JPS55161804A/ja
Priority claimed from JP7046679A external-priority patent/JPS55161805A/ja
Priority claimed from JP7046379A external-priority patent/JPS55161802A/ja
Application filed by Kureha Corp filed Critical Kureha Corp
Application granted granted Critical
Publication of DE3064389D1 publication Critical patent/DE3064389D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
DE8080301883T 1979-06-05 1980-06-05 Poly-ion complex, process for its preparation and shaped articles prepared therefrom Expired DE3064389D1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7046479A JPS55161803A (en) 1979-06-05 1979-06-05 Polyion complex composed of chitin derivative
JP7046579A JPS55161804A (en) 1979-06-05 1979-06-05 Polyion complex composed of chitin derivative
JP7046679A JPS55161805A (en) 1979-06-05 1979-06-05 Polyion complex
JP7046379A JPS55161802A (en) 1979-06-05 1979-06-05 Chitin-based polyion complex

Publications (1)

Publication Number Publication Date
DE3064389D1 true DE3064389D1 (en) 1983-09-01

Family

ID=27465252

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080301883T Expired DE3064389D1 (en) 1979-06-05 1980-06-05 Poly-ion complex, process for its preparation and shaped articles prepared therefrom

Country Status (4)

Country Link
US (1) US4301067A (de)
EP (1) EP0020183B1 (de)
CA (1) CA1158235A (de)
DE (1) DE3064389D1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378017A (en) * 1980-03-21 1983-03-29 Kureha Kagaku Kogyo Kabushiki Kaisha Composite material of de-N-acetylated chitin and fibrous collagen
US4424346A (en) 1981-06-04 1984-01-03 Canadian Patents And Development Ltd. Derivatives of chitins, chitosans and other polysaccharides
SE8200751L (sv) * 1982-02-09 1983-08-10 Olle Larm Forfarande for kovalent koppling for framstellning av konjugat och hervid erhallna produkter
US4501835A (en) * 1982-03-08 1985-02-26 Polaroid Corporation Polyacrylic acid/chitosan polyelectrolyte complex
US4440541A (en) * 1982-05-20 1984-04-03 Polaroid Corporation Polarizer: dichroic dye in oriented polyacrylic acid/chitosan complex sheet
DE3223423A1 (de) * 1982-06-23 1983-12-29 Wella Ag, 6100 Darmstadt Kosmetische mittel auf der basis von chitosanderivaten, neue chitosanderivate sowie verfahren zur herstellung dieser derivate
US4803168A (en) * 1983-09-01 1989-02-07 Damon Biotech, Inc. Microencapsulation with polymers
US4619995A (en) * 1984-12-24 1986-10-28 Nova Chem Limited N,O-carboxymethyl chitosan and preparative method therefor
EP0187703B1 (de) * 1985-01-11 1992-08-05 Teijin Limited Präparate mit verzögerter Freisetzung
DE3644097A1 (de) * 1986-12-23 1988-07-07 Wella Ag Kosmetisches mittel auf der basis von chitosan und ampholytischen copolymerisaten sowie ein neues chitosan/polyampholyt-salz
US4767463A (en) * 1987-04-15 1988-08-30 Union Carbide Corporation Glycosaminoglycan and cationic polymer combinations
FR2641281B1 (fr) * 1989-01-05 1993-05-14 Saduc Developp Utilisations Cu Procede de purification de polymeres naturels ou synthetiques en solution, hydrosolubles ou solubles en milieu hydro-alcoolique comportant des groupements sulfates
IT1229167B (it) * 1989-04-10 1991-07-22 Texcontor Ets Complessi del ferro o di altri metalli con derivati solfonati del chitosano
US5412084A (en) * 1991-10-09 1995-05-02 Nova Chem Limited N-O-carboxymethylchitosonium carboxylate salts
SE509662C2 (sv) * 1993-04-29 1999-02-22 Tetra Laval Holdings & Finance Förpackningslaminat belagt med en vattenolöslig chitosanförening samt sätt att tillverka förpackningslaminatet
KR0155191B1 (ko) * 1994-10-05 1998-12-01 강박광 양이온 고분자 및 이의 제조방법
EP0718313B1 (de) * 1994-12-22 2000-10-11 Ciba SC Holding AG N-cyanomethylierte Chitosane und deren Hydrolyseprodukte
US5532311A (en) * 1995-02-01 1996-07-02 Minnesota Mining And Manufacturing Company Process for modifying surfaces
US5583213A (en) * 1995-05-12 1996-12-10 Minnesota Mining And Manufacturing Company Process to activate sulfated polysaccharides
US5906997A (en) * 1997-06-17 1999-05-25 Fzio Med, Inc. Bioresorbable compositions of carboxypolysaccharide polyether intermacromolecular complexes and methods for their use in reducing surgical adhesions
US6197289B1 (en) 1997-07-01 2001-03-06 Terumo Cardiovascular Systems Corporation Removal of biologically active agents
US6146771A (en) * 1997-07-01 2000-11-14 Terumo Cardiovascular Systems Corporation Process for modifying surfaces using the reaction product of a water-insoluble polymer and a polyalkylene imine
US6060410A (en) * 1998-04-22 2000-05-09 Gillberg-Laforce; Gunilla Elsa Coating of a hydrophobic polymer substrate with a nonstoichiometric polyelectrolyte complex
US6200595B1 (en) * 1998-04-24 2001-03-13 Kuraray Co., Ltd. Medical adhesive
FR2833599B1 (fr) * 2001-12-18 2004-01-30 Oreal Polysaccharide amphotere, composition et utilisation
US20030204180A1 (en) * 2002-04-30 2003-10-30 Kimberly-Clark Worldwide, Inc. Temperature responsive delivery systems
US7265097B2 (en) * 2002-08-20 2007-09-04 Chitogenics, Inc. Methods of drug delivery using sulphated chitinous polymers
TWI328565B (en) * 2008-12-19 2010-08-11 Taiwan Textile Res Inst Dispersions of conductive carbon materials and methods for preparing the same
US9474269B2 (en) * 2010-03-29 2016-10-25 The Clorox Company Aqueous compositions comprising associative polyelectrolyte complexes (PEC)
US9309435B2 (en) 2010-03-29 2016-04-12 The Clorox Company Precursor polyelectrolyte complexes compositions comprising oxidants
US20110236582A1 (en) 2010-03-29 2011-09-29 Scheuing David R Polyelectrolyte Complexes
FR3016882A1 (fr) 2014-01-30 2015-07-31 Sofradim Production Procede de preparation de chitosane a haut degre d’acetylation
US8975220B1 (en) 2014-08-11 2015-03-10 The Clorox Company Hypohalite compositions comprising a cationic polymer
CN109316983B (zh) * 2018-11-07 2021-01-15 中南大学 一种磺化二羟丙基壳聚糖改性聚砜膜及其制备方法
WO2023183769A1 (en) * 2022-03-21 2023-09-28 University Of Washington Chitosan scaffolds and thin films for the expansion of human neural stem cells

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689466A (en) * 1969-09-09 1972-09-05 Tee Pak Inc Sulfonated polymeric alcohols
US4063016A (en) * 1975-12-15 1977-12-13 University Of Delaware Chitin complexes with alcohols and carbonyl compounds
US4125708A (en) * 1977-02-15 1978-11-14 The United States Of America As Represented By The Secretary Of Agriculture Chitosan modified with anionic agent and glutaraldehyde

Also Published As

Publication number Publication date
EP0020183B1 (de) 1983-07-27
CA1158235A (en) 1983-12-06
US4301067A (en) 1981-11-17
EP0020183A1 (de) 1980-12-10

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee