DE69126692T2 - Zeolitische Membranen - Google Patents

Zeolitische Membranen

Info

Publication number
DE69126692T2
DE69126692T2 DE69126692T DE69126692T DE69126692T2 DE 69126692 T2 DE69126692 T2 DE 69126692T2 DE 69126692 T DE69126692 T DE 69126692T DE 69126692 T DE69126692 T DE 69126692T DE 69126692 T2 DE69126692 T2 DE 69126692T2
Authority
DE
Germany
Prior art keywords
support
zeo
type material
membranes
gel
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
DE69126692T
Other languages
English (en)
Other versions
DE69126692D1 (de
DE69126692T3 (de
Inventor
Sami Ali Ibrahim Barri
Graham John Bratton
Timothy De Villiers Naylor
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.)
BP PLC
Original Assignee
BP PLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10684063&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69126692(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BP PLC filed Critical BP PLC
Publication of DE69126692D1 publication Critical patent/DE69126692D1/de
Application granted granted Critical
Publication of DE69126692T2 publication Critical patent/DE69126692T2/de
Publication of DE69126692T3 publication Critical patent/DE69126692T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039Inorganic membrane manufacture
    • B01D67/0051Inorganic membrane manufacture by controlled crystallisation, e,.g. hydrothermal growth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039Inorganic membrane manufacture
    • B01D67/0048Inorganic membrane manufacture by sol-gel transition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/108Inorganic support material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02Inorganic material
    • B01D71/028Molecular sieves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02Inorganic material
    • B01D71/028Molecular sieves
    • B01D71/0281Zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/46Impregnation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/60Synthesis on support
    • B01J2229/64Synthesis on support in or on refractory materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/60Synthesis on support
    • B01J2229/66Synthesis on support on metal supports
    • B01J35/58
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S95/00Gas separation: processes
    • Y10S95/90Solid sorbent
    • Y10S95/902Molecular sieve
DE69126692T 1990-10-19 1991-10-08 Zeolitische Membranen Expired - Fee Related DE69126692T3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909022836A GB9022836D0 (en) 1990-10-19 1990-10-19 Membranes

Publications (3)

Publication Number Publication Date
DE69126692D1 DE69126692D1 (de) 1997-08-07
DE69126692T2 true DE69126692T2 (de) 1997-10-23
DE69126692T3 DE69126692T3 (de) 2000-11-30

Family

ID=10684063

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126692T Expired - Fee Related DE69126692T3 (de) 1990-10-19 1991-10-08 Zeolitische Membranen

Country Status (13)

Country Link
US (3) US5362522A (de)
EP (1) EP0481660B2 (de)
JP (1) JPH0543218A (de)
KR (1) KR100189210B1 (de)
AT (1) ATE154895T1 (de)
AU (1) AU8473991A (de)
CA (1) CA2052289C (de)
DE (1) DE69126692T3 (de)
ES (1) ES2102997T5 (de)
GB (1) GB9022836D0 (de)
NZ (1) NZ239958A (de)
TW (1) TW201276B (de)
ZA (1) ZA917712B (de)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9022836D0 (en) * 1990-10-19 1990-12-05 British Petroleum Co Plc Membranes
GB9206783D0 (en) * 1992-03-27 1992-05-13 British Petroleum Co Plc Deposition process
DK0632744T3 (de) * 1992-03-27 1997-09-01 Stichting Energie
US5618435A (en) * 1992-03-31 1997-04-08 Inrad Synthesis of inorganic membranes including metals
US5779904A (en) * 1992-03-31 1998-07-14 Inrad Synthesis of inorganic membranes on supports
NL9201204A (nl) * 1992-07-06 1994-02-01 Stichting Tech Wetenschapp Membraan.
US5543047A (en) 1992-11-06 1996-08-06 Pall Corporation Filter with over-laid pleats in intimate contact
BR9406483A (pt) * 1993-04-23 1996-01-09 Exxon Chemical Patents Inc Camada e processos para preparar a mesma para separar uma mistura fluida e para catalisar uma reaç o quimica
US5464798A (en) * 1994-02-24 1995-11-07 Jia; Meng-Dong Ceramic-zeolite composite membranes and use for separation of vapor/gas mixtures
US5824617A (en) * 1994-07-08 1998-10-20 Exxon Research & Engineering Company Low alkaline inverted in-situ crystallized zeolite membrane
US5871650A (en) * 1994-07-08 1999-02-16 Exxon Research And Engineering Company Supported zeolite membranes with controlled crystal width and preferred orientation grown on a growth enhancing layer
US5968366A (en) * 1994-07-08 1999-10-19 Exxon Research And Engineering Company Zeolite containing composition with a selectivity enhancing coating
US5716527A (en) * 1994-07-08 1998-02-10 Exxon Research & Engineering Company Zeolite membrane with a selectivity enhancing coating
US5672388A (en) * 1994-07-08 1997-09-30 Exxon Research & Engineering Company Membrane reparation and poer size reduction using interfacial ozone assisted chemical vapor deposition
GB9413863D0 (en) * 1994-07-08 1994-08-24 Exxon Chemical Patents Inc Molecular sieves and processes for their manufacture
JPH10507155A (ja) * 1994-09-20 1998-07-14 ブラットン,グラハム,ジョン 改良膜
GB9423805D0 (en) * 1994-11-25 1995-01-11 Bratton Graham J Dehydration apparatus
GB9502292D0 (en) * 1995-02-06 1995-03-29 Bratton Graham J Adsorbent material
US5772735A (en) * 1995-11-02 1998-06-30 University Of New Mexico Supported inorganic membranes
GB9523854D0 (en) * 1995-11-22 1996-01-24 Bratton Graham J Water removal device
FR2742071B1 (fr) 1995-12-08 1998-01-09 Inst Francais Du Petrole Procede d'elaboration de membranes de zeolithe supportee par du verre poreux
FR2742070B1 (fr) 1995-12-08 1998-01-09 Inst Francais Du Petrole Procede d'elaboration controlee de membranes de zeolithe supportee
DE69706522T2 (de) * 1996-01-25 2002-05-02 Exxonmobil Res & Eng Co Trennungsverfahren in dem eine membran verwendet wird
CN1061900C (zh) * 1996-06-05 2001-02-14 中国石油化工总公司 Sapo-34/陶瓷复合分离膜及其制备
CN1069848C (zh) * 1996-06-05 2001-08-22 中国石油化工总公司 丝光沸石/金属或陶瓷催化复合材料及其制备
CN1058643C (zh) * 1996-07-22 2000-11-22 中国石油化工总公司 Zsm-5/金属或陶瓷催化复合材料及其制备
US6043177A (en) * 1997-01-21 2000-03-28 University Technology Corporation Modification of zeolite or molecular sieve membranes using atomic layer controlled chemical vapor deposition
US6060415A (en) * 1997-02-10 2000-05-09 National Science Council Aligned molecular sieve crystals grown on anodic alumina membrane
GB9723253D0 (en) * 1997-11-04 1998-01-07 Bratton Graham J Water treatment process
JP3686262B2 (ja) * 1998-07-27 2005-08-24 三井造船株式会社 混合物分離膜
GB9821706D0 (en) * 1998-10-07 1998-12-02 Bratton Graham J Membrane structure
CN1067710C (zh) * 1998-11-26 2001-06-27 中国石油化工集团公司 含zsm-5沸石的脱氮氧化物催化剂的制备方法
US6440885B1 (en) 1998-12-30 2002-08-27 Corning Incorporated Zeolite membrane and a process for the production thereof
US6649255B1 (en) 1999-03-04 2003-11-18 Douglas E. Fain, Sr. Article and method for producing extremely small pore inorganic membranes
US6767384B1 (en) * 2000-01-21 2004-07-27 The Regents Of The University Of Colorado Isomorphously substituted molecular sieve membranes
US6500490B1 (en) 2000-03-23 2002-12-31 Honeywell International Inc. Hydrophilic zeolite coating
US6340433B1 (en) * 2000-09-15 2002-01-22 Engelhard Corporation Water purification using titanium silicate membranes
US20020114958A1 (en) * 2000-11-27 2002-08-22 Toray Industries, Inc. Method of coating zeolite crystals, substrate containing zeolite crystals, method of manufacturing zeolite membrane, method of processing zeolite membrane, zeolite membrane, aluminum electrolytic capacitor, degassing membrane and separation method
US7476635B2 (en) * 2002-06-03 2009-01-13 Institut Francais Du Petrole Process for making supported thin zeolite membrane
US6962660B2 (en) * 2002-09-25 2005-11-08 Master Spas, Inc. Fluid filter system with secondary flow path for augmented filtration
KR100460450B1 (ko) * 2002-10-04 2004-12-08 한국화학연구원 함침-롤링법에 의한 열적 안정성이 우수한 실리카 복합막의 제조방법
DE10250468A1 (de) * 2002-10-30 2004-05-19 Basf Ag Verfahren zur Herstellung von Oligomeren abgeleitet von Butenen
US20050067344A1 (en) * 2003-09-30 2005-03-31 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Zeolite membrane support and zeolite composite membrane
US7316727B2 (en) * 2004-03-19 2008-01-08 The Regents Of The University Of Colorado High-selectivity supported SAPO membranes
AU2005271542A1 (en) * 2004-08-03 2006-02-16 The Regents Of The University Of Colorado Membranes for highly selective separations
JP4751996B2 (ja) * 2005-03-14 2011-08-17 三井造船株式会社 Zsm−5型ゼオライト膜の製造方法
JP5142984B2 (ja) 2005-04-29 2013-02-13 ヴラームス インステリング ヴール テクノロギシュ オンデルゾーク 液体、固体または気体物質の精製及び殺菌のための装置及び方法
JP4852930B2 (ja) * 2005-08-12 2012-01-11 三菱化学株式会社 管端部接続体及びゼオライト分離膜エレメント
JP2007203209A (ja) * 2006-02-02 2007-08-16 Denso Corp 触媒体および無機担体および無機担体の製造方法
US8409326B2 (en) * 2006-05-15 2013-04-02 The Regents Of The University Of Colorado High flux and selectivity SAPO-34 membranes for CO2/CH4separations
WO2007144247A1 (de) * 2006-06-13 2007-12-21 Basf Se Verfahren zur herstellung einer komposit-membran
ITMI20061231A1 (it) * 2006-06-26 2007-12-27 Eni Spa Proxcesso e materiali zeolitici per la separazione di gas
JP5324067B2 (ja) * 2006-08-22 2013-10-23 日本碍子株式会社 ゼオライト膜の製造方法
WO2008112520A1 (en) * 2007-03-09 2008-09-18 The Regents Of The University Of Colorado, A Body Corporate Synthesis of zeolites and zeolite membranes using multiple structure directing agents
GB0704797D0 (en) * 2007-03-13 2007-04-18 Phoenix Ipr Ltd Membrane structures and their production and use
GB0705079D0 (en) * 2007-03-16 2007-04-25 Phoenix Ipr Ltd Process and apparatus for treatment of organic solvents
US20090000475A1 (en) * 2007-06-29 2009-01-01 Curtis Robert Fekety Zeolite membrane structures and methods of making zeolite membrane structures
EP2048261A1 (de) * 2007-10-12 2009-04-15 ArcelorMittal France Industrieller Dampferzeuger zum Aufbringen einer Legierungsschicht auf einem Metallband
CN101306327B (zh) * 2008-07-08 2012-03-14 大连理工大学 一种卷式炭膜及其制备方法
WO2010110274A1 (ja) 2009-03-24 2010-09-30 三菱化学株式会社 ゼオライト膜、分離膜、および成分分離方法
JP5153809B2 (ja) * 2010-03-15 2013-02-27 三井造船株式会社 ゼオライト膜製造方法
AU2011245307B2 (en) 2010-04-29 2014-10-09 The Regents Of The University Of Colorado, A Body Corporate High flux SAPO-34 membranes for CO2/CH4 separation and template removal method
CN102600735B (zh) * 2012-03-29 2014-09-03 吉林大学 一种无机相分离膜及其在油水分离中的应用
US8715391B2 (en) * 2012-04-10 2014-05-06 Milliken & Company High temperature filter
JP6559146B2 (ja) * 2014-09-30 2019-08-14 日本碍子株式会社 分離膜構造体の製造方法
RU2596257C1 (ru) * 2015-04-29 2016-09-10 Открытое акционерное общество "Нефтяная компания "Роснефть" Способ фракционирования смесей низкомолекулярных углеводородов с использованием капиллярной конденсации на микропористых мембранах
CN108636441B (zh) * 2018-04-28 2021-03-19 南京理工大学 一种掺杂纳米金属纤维的分子筛及制备方法和应用
US11154823B2 (en) 2018-10-05 2021-10-26 The Board Of Regents For Oklahoma State University Zeolite-coated mesh for oil-water separation

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244643A (en) * 1965-02-03 1966-04-05 Socony Mobil Oil Co Inc Method of preparing supported crystalline aluminosilicate composition
US3368981A (en) * 1965-07-02 1968-02-13 Mobil Oil Corp Utilization of superactive catalytic materials
FR2039527A5 (en) * 1969-04-02 1971-01-15 Commissariat Energie Atomique Catalyst support for exhaust gases for - automobiles
US3730910A (en) * 1971-02-02 1973-05-01 Grace W R & Co Novel zeolite surfaces
US4199477A (en) * 1975-03-27 1980-04-22 General Motors Corporation Method for application of porous wash coats to low porosity refractory catalytic monoliths and the resulting support
FR2507920B1 (fr) * 1981-06-22 1986-05-16 Rhone Poulenc Spec Chim Support de catalyseur, notamment de catalyseur de post-combustion et procede de fabrication de ce support
JPS60500362A (ja) * 1982-12-17 1985-03-22 ロ−ヌ−プ−ラン スペシアリテ シミ−ク 触媒、特に後燃焼用触媒の担体及びこの担体の製造方法
GB8317228D0 (en) * 1983-06-24 1983-07-27 Exxon Research Engineering Co Magnetizable adsorbents
JPS6028826A (ja) * 1983-07-26 1985-02-14 Hiroshi Suzuki かご型ゼオライト薄膜表層を有する複合膜及びその製造法
GB8334626D0 (en) * 1983-12-30 1984-02-08 Exxon Research Engineering Co Zeolite coated substrates
CA1235684A (en) * 1984-10-10 1988-04-26 Satoshi Sakurada Membraneous synthetic zeolite and process for producing the same
JPH0628706B2 (ja) * 1984-10-30 1994-04-20 宏志 鈴木 ゼオライト,層間利用化合物又は結晶格子間利用化合物を多孔質支持体の細孔内に保有する複合体及びその製造法
DE3679990D1 (de) * 1986-07-29 1991-08-01 Gft Ges Fuer Trenntechnik Pervaporationsverfahren und -membran.
US4957890A (en) * 1986-12-29 1990-09-18 Aluminum Company Of America Surface treated permeable inorganic membranes and method of making same
JPS63287504A (ja) * 1987-05-19 1988-11-24 Ngk Insulators Ltd 分離膜
JP2501825B2 (ja) * 1987-05-26 1996-05-29 出光興産株式会社 膜状合成ゼオライトの製造方法
US4906524A (en) * 1987-05-29 1990-03-06 Orient Watch Co., Ltd. Surface-coated article and a method for the preparation thereof
US4800187A (en) * 1987-10-28 1989-01-24 Corning Glass Works Method of crystallizing a zeolite on the surface of a monolithic ceramic substrate
US4904518A (en) * 1988-06-29 1990-02-27 Uop Multiphase composite and processes for preparing same
DE3827049A1 (de) * 1988-08-10 1990-02-15 Schulten Rudolf Prof Dr Zeolithisches molekularsieb zur trennung von fluiden
US5104425A (en) * 1989-11-14 1992-04-14 Air Products And Chemicals, Inc. Gas separation by adsorbent membranes
US5019263A (en) * 1990-06-05 1991-05-28 Mobil Oil Corp. Membrane composed of a pure molecular sieve
GB9022836D0 (en) * 1990-10-19 1990-12-05 British Petroleum Co Plc Membranes
JPH05105420A (ja) * 1991-03-29 1993-04-27 Ngk Insulators Ltd ゼオライト結晶体の合成膜およびその製造方法
US5258339A (en) * 1992-03-12 1993-11-02 Worcester Polytechnic Institute Formation of zeolite membranes from sols
US5248643A (en) * 1992-11-23 1993-09-28 Corning Incorporated Mixed zeolites and method for producing same

Also Published As

Publication number Publication date
AU8473991A (en) 1992-04-30
JPH0543218A (ja) 1993-02-23
US5605631A (en) 1997-02-25
TW201276B (de) 1993-03-01
US5567664A (en) 1996-10-22
DE69126692D1 (de) 1997-08-07
ES2102997T3 (es) 1997-08-16
EP0481660B2 (de) 2000-08-23
CA2052289A1 (en) 1992-04-20
EP0481660B1 (de) 1997-07-02
ZA917712B (en) 1993-03-26
ATE154895T1 (de) 1997-07-15
EP0481660A1 (de) 1992-04-22
KR920007678A (ko) 1992-05-27
DE69126692T3 (de) 2000-11-30
ES2102997T5 (es) 2000-12-01
KR100189210B1 (ko) 1999-06-01
CA2052289C (en) 2002-02-26
NZ239958A (en) 1992-09-25
US5362522A (en) 1994-11-08
GB9022836D0 (en) 1990-12-05

Similar Documents

Publication Publication Date Title
ATE154895T1 (de) Zeolitische membranen
DE69107684D1 (de) Membran aus einem kristallinen Molekularsieb.
DE69214294T2 (de) Verfahren zur Züchtung von Kristallinen, mikroporösen Feststoffen in einem fluordaufweisenden, wesentlich nichtwässrigen Wachstumsmedium
EP0352637A3 (en) Ferroelectric liquid crystal composition, liquid crystal optical device produced by using the ferroelectric liquid crystal composition, and method of producing the liquid crystal optical device
ATE146956T1 (de) Blutfilter, gegebenenfalls resorbierbares
DE68919324D1 (de) Verfahren zur Herstellung von isotropen mikroporösen Polysulfonmembranen.
GB9413738D0 (en) Supported microporous filtration membrane and method of preparing same
ATE272575T1 (de) Verfahren zur herstellung von zeolitheinkristallen
FR2762736B1 (fr) Methode de diminution du taux d'erreur de trame dans une transmission de donnees sous la forme de trames de donnees
DE69022743T2 (de) Verfahren zur hydrothermalen herstellung von einkristallen mit optischer qualität.
AU7103691A (en) Purification procedure by means of membranes for solutions or suspensions of polyorganophosphazine
CA2034853A1 (en) Removal of riboflavin from fermentation suspensions
GB2215715B (en) A biological support
BR9307153A (pt) Meio de filtragem incluindo uma membrana porosa apoiada pelo substrato e o método para fabricação do mesmo
DE69604976D1 (de) Herstellung von Diamanteinkristallen aus amorphen hydrogenierten Kohlstoff
EP0440509A3 (en) Novel cell growth medium components and process for producing same
DE59309480D1 (de) Verfahren zur herstellung einer physikalisch stabilen, kristallinen gamma-modifikation von para-aminobenzolsulfonamid
DK467983A (da) Mikroporoes ferrosilicat og fremgangsmaade til fremstilling af samme
DE69411660D1 (de) Vorrichtung zur Herstellung von Silizium-Einkristallen durch das Czochralski-Verfahren
DE69024372T2 (de) Synthetisches poröses kristallines material sowie dessen herstellung und verwendung
DK86190D0 (da) Anvendelse af gasfyldte partikler som vaekstmedium for bakteriologiske processer
DE69311751D1 (de) Silbernitrat, hergestellt durch ein kontinuierliches Verdampfungs-Kristallisationsverfahren
RU94000649A (ru) Полифункциональный монокристаллический материал для лазеров
KR900004052A (ko) 산화티타늄 단결정 육성법
KR910013455A (ko) Ⅲ-v 화합물 반도체 단결의 제조방법

Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee