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BE759829A - Preparation de polyurethanes - Google Patents

Preparation de polyurethanes

Info

Publication number
BE759829A
BE759829A BE759829DA BE759829A BE 759829 A BE759829 A BE 759829A BE 759829D A BE759829D A BE 759829DA BE 759829 A BE759829 A BE 759829A
Authority
BE
Belgium
Prior art keywords
polyurethanes
preparation
Prior art date
Application number
Other languages
English (en)
Inventor
K W Rausch Jr
T R Mcclellan
Original Assignee
Upjohn 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.)
Publication date
Publication of BE759829A publication Critical patent/BE759829A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0895—Manufacture of polymers by continuous processes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
BE759829D 1969-12-03 Preparation de polyurethanes BE759829A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88175869A 1969-12-03 1969-12-03

Publications (1)

Publication Number Publication Date
BE759829A true BE759829A (fr) 1971-06-03

Family

ID=25379149

Family Applications (1)

Application Number Title Priority Date Filing Date
BE759829D BE759829A (fr) 1969-12-03 Preparation de polyurethanes

Country Status (7)

Country Link
US (1) US3642964A (fr)
BE (1) BE759829A (fr)
CA (1) CA928445A (fr)
DE (1) DE2059570B2 (fr)
FR (1) FR2072814A5 (fr)
GB (1) GB1319305A (fr)
ZA (1) ZA707810B (fr)

Families Citing this family (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887525A (en) * 1971-03-30 1975-06-03 Ici Ltd Process for preparing solvent-soluble polyurethanes
DE2302564C3 (de) * 1973-01-19 1985-02-07 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyurethan-Elastomeren
US3987141A (en) * 1973-04-20 1976-10-19 Monsanto Company Process for spinning polyurethane-hard polymer conjugate yarn
US3966866A (en) * 1973-09-26 1976-06-29 Monsanto Company Polyurethane fiber uniformity
US4001368A (en) * 1974-02-08 1977-01-04 Dai Nippon Toryo Co., Ltd. Method for continuous extrusion molding of thermosetting resins
US3899467A (en) * 1974-05-14 1975-08-12 Upjohn Co Polyurethanes from 3,3-{40 dimethyl-diphenyl-4,4{40 -diisocyanate polyester diols and bis(hydroxyethyl ether) of hydroquinone
US4202957A (en) * 1974-09-09 1980-05-13 The Upjohn Company Thermoplastic polyurethane elastomers from polyoxypropylene polyoxyethylene block copolymers
DE2515766C3 (de) * 1975-04-10 1980-12-11 Bayer Ag, 5090 Leverkusen Verbessertes Verfahren zur Herstellung hochmolekularer, in organischen Lösungsmitteln löslicher, isocyanatgruppenfreier Polyurethane
DE2610980B2 (de) * 1976-03-16 1978-01-12 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen herstellung von thermoplastischen polyurethan-elastomeren
US4189290A (en) * 1976-09-30 1980-02-19 Dow Corning Corporation Wire coating using a liquid polymer
DE2719970A1 (de) * 1977-05-04 1978-11-16 Bayer Ag Verfahren zur herstellung von polyisocyanat-polyadditionsprodukten
US4190711A (en) 1977-09-29 1980-02-26 Union Carbide Corporation Thermoplastic polyether polyurethane elastomers
US4169196A (en) * 1977-10-14 1979-09-25 The Upjohn Company Process for improving thermoplastic polyurethanes
DE2817456A1 (de) * 1978-04-21 1979-10-31 Bayer Ag Verfahren zur herstellung von thermoplastischen polyurethanelastomeren
DE2842806A1 (de) * 1978-09-30 1980-04-10 Bayer Ag Verfahren zur herstellung von polyurethan-elastomeren
DE2854409A1 (de) * 1978-12-16 1980-06-26 Bayer Ag Verfahren zur herstellung von thermoplastischen chemiewerkstoffen
IT1132527B (it) * 1979-07-13 1986-07-02 Buss Ag Procedimento e dispositivo per la produzione continua di poliuretani
US4332760A (en) * 1981-03-30 1982-06-01 Atlantic Richfield Company Direct production of elastomer compound from reactor solution
DE3224324A1 (de) * 1982-06-30 1984-01-05 Basf Ag, 6700 Ludwigshafen Zweistufenverfahren zur herstellung von thermoplastischen polyurethan-elastomeren
USRE32217E (en) * 1982-11-12 1986-07-29 The Dow Chemical Company Graft copolymerization process
EP0156941A3 (fr) * 1983-06-10 1986-04-30 The Dow Chemical Company Matières plastiques à base de polyuréthane à résistance au choc améliorée
US4707525A (en) * 1984-06-29 1987-11-17 Celanese Corporation Oxymethylene polymer molding compositions having enhanced impact resistance and article molded therefrom
US4948859A (en) * 1988-10-28 1990-08-14 Minnesota Mining And Manufacturing Company Extruder polymerization of polyurethanes
GB2229131A (en) * 1989-03-17 1990-09-19 Vactite Ltd Coating electric conductors
US4948860A (en) * 1989-05-01 1990-08-14 Becton, Dickinson And Company Melt processable polyurethaneurea copolymers and method for their preparation
EP0396271A3 (fr) * 1989-05-01 1992-02-19 Becton, Dickinson and Company Copolymères de pollyuréthane-urée aptes à être travaillés par fusion et leur préparation
WO1991000304A1 (fr) * 1989-06-27 1991-01-10 The Dow Chemical Company Procede de polymerisation a l'etat de fusion pour la production de polyurethanes
DE4202973A1 (de) * 1992-02-03 1993-08-05 Bayer Ag Verfahren zur kontinuierlichen herstellung von polyurethan- und polyurethanharnstoff-elastomeren
US5795948A (en) * 1992-05-26 1998-08-18 Bayer Aktiengesellschaft Multistage process for production of thermoplastic polyurethane elastomers
DE4217365A1 (de) * 1992-05-26 1993-12-02 Bayer Ag Verfahren zur Herstellung von thermoplastisch verarbeitbaren Polyurethan-Elastomeren durch einen mehrstufigen Prozeß
US5340902A (en) * 1993-06-04 1994-08-23 Olin Corporation Spandex fibers made using low unsaturation polyols
DE4406443A1 (de) * 1994-02-28 1995-08-31 Huels Chemische Werke Ag Verfahren zur Herstellung von blockierten Polyisocyanaten und deren Verwendung in Polyurethan-Lacksystemen
DE4406948A1 (de) * 1994-03-03 1995-09-07 Bayer Ag Verfahren zur Herstellung von thermoplastischen Polyurethanelastomeren (TPU)
DE4437586A1 (de) 1994-10-20 1996-04-25 Basf Schwarzheide Gmbh Verfahren zur Herstellung von thermoplastischen Polyurethanen
US5635591A (en) * 1995-05-10 1997-06-03 Arizona Chemical Company Process for making high viscosity ink resins
US5763565A (en) * 1995-05-10 1998-06-09 Arizona Chemical Company Process for making self-gelled resin solutions for ink formulations
DE19520732A1 (de) 1995-06-07 1996-12-12 Bayer Ag Thermoplastische Polyurethan-Elastomere
US5679756A (en) * 1995-12-22 1997-10-21 Optima Inc. Optical thermoplastic thiourethane-urethane copolymers
US6521164B1 (en) 1996-02-06 2003-02-18 Parker-Hannifin Corporation Injection-moldable thermoplastic polyurethane elastomer
US5627254A (en) * 1996-05-03 1997-05-06 The Dow Chemical Company Rigid thermoplastic plyurethane comprising units of butane diol and a polyethylene glycol
DE19625987A1 (de) * 1996-06-28 1998-01-02 Bayer Ag Verfahren zur kontinuierlichen Herstellung von thermoplastisch verarbeitbaren Polyurethanen mit verbessertem Verarbeitungsverhalten
US7728049B2 (en) * 1996-10-08 2010-06-01 Zamore Alan M Irradiation conversion of thermoplastic to thermoset polymers
US6656550B1 (en) 1996-10-08 2003-12-02 Alan M. Zamore Dilatation device of uniform outer diameter
US5900444A (en) * 1996-10-08 1999-05-04 Zamore; Alan Irradiation conversion of thermoplastic to thermoset polyurethane
US7749585B2 (en) * 1996-10-08 2010-07-06 Alan Zamore Reduced profile medical balloon element
US6197878B1 (en) 1997-08-28 2001-03-06 Eastman Chemical Company Diol latex compositions and modified condensation polymers
DE19738498A1 (de) 1997-09-03 1999-03-04 Bayer Ag Verfahren zur kontinuierlichen Herstellung von thermoplastisch verarbeitbaren Polyurethanen in einem Zweiwellenextruder mit spezieller Temperaturführung
US6117943A (en) * 1998-03-05 2000-09-12 The Dow Chemical Company Compositions containing a polyarylene ether and a dispersible reactive solvent and articles prepared therefrom
US6558732B1 (en) * 1998-11-18 2003-05-06 Alan M. Zamore Process for producing an implantable apparatus comprising a biomedical device coated with crosslinked TPU
DE19907987C2 (de) 1999-02-25 2001-05-23 Bayer Ag Weiche, thermoplastische Formmassen
WO2000052083A1 (fr) 1999-03-03 2000-09-08 Eastman Chemical Company Compositions de diol polymere silicone et melanges de polycondensat/silicone polymere
JP2002538259A (ja) 1999-03-03 2002-11-12 イーストマン ケミカル カンパニー ポリアミド／エマルジョンポリマーブレンド
DE19924089C1 (de) 1999-05-26 2001-01-25 Bayer Ag Verfahren zur kontinuierlichen Herstellung von thermoplastisch verarbeitbaren Polyurethanen mit verbessertem Erweichungsverhalten
DE19924090C1 (de) 1999-05-26 2001-01-25 Bayer Ag Verfahren zur kontinuierlichen Herstellung von thermoplastisch verarbeitbaren Polyurethanen mit verbessertem Erweichungsverhalten
CN1355824A (zh) 1999-06-18 2002-06-26 伊斯曼化学公司 尼龙6－聚硅氧烷共混物
EP1192206A1 (fr) 1999-06-18 2002-04-03 Eastman Chemical Company Melanges polymere de type amide/polymere silicone et leurs procedes de preparation
US6462109B1 (en) 1999-10-12 2002-10-08 Eastman Chemical Company Surfactantless latex compositions and methods of making polymer blends using these compositions
GB0019074D0 (en) * 2000-08-03 2000-09-27 Ranier Ltd Precision polyurethane manufacture
WO2002012396A2 (fr) 2000-08-09 2002-02-14 Dow Global Technologies Inc. Polyurethanne thermoplastique haute resistance a faible poids moleculaire et ses melanges
US6844390B2 (en) * 2001-04-09 2005-01-18 Eastman Chemical Company Modified alkyd compositions comprising polyol latex compositions and processes of making them
US20090005476A1 (en) * 2001-04-09 2009-01-01 Eastman Chemical Company Polyol latex compositions and process of making them
US6699931B2 (en) 2001-04-09 2004-03-02 Eastman Chemical Company Modified alkyd compositions comprising diol latex compositions and processes of making the same
US20030158365A1 (en) * 2002-01-09 2003-08-21 Wolfgang Brauer Continuous production of thermoplastic polyurethane elastomers
DE10238112B3 (de) * 2002-08-21 2004-04-22 Bayer Ag Kontinuierliche Herstellung von thermoplastisch verarbeitbaren Polyurethanen
US7132167B2 (en) * 2002-09-27 2006-11-07 Rexnord Corporation Composite article having thermoplastic elastomer region on thermoplastic substrate
GB0223327D0 (en) * 2002-10-08 2002-11-13 Ranier Ltd Artificial spinal disc
US7540990B1 (en) * 2004-11-18 2009-06-02 Callaway Golf Company Cross-linked thermoplastic polyurethane/polyurea and method of making same
DE102005004967A1 (de) * 2005-02-03 2006-08-10 Basf Ag Verfahren zur kontinuierlichen Herstellung thermoplastisch verarbeitbarer Polyurethan-Elastomere
DE102005039933B4 (de) 2005-08-24 2007-12-27 Bayer Materialscience Ag Verfahren zur Herstellung von thermoplastisch verarbeitbaren Polyurethanen
DE102005040131A1 (de) 2005-08-25 2007-03-01 Lanxess Deutschland Gmbh Thermoplastische Polyurethane
WO2007101807A1 (fr) * 2006-03-06 2007-09-13 Basf Se Procede de fabrication de prepolymeres presentant des groupements isocyanate
WO2007112105A2 (fr) * 2006-03-24 2007-10-04 Century-Board Usa, Llc Extrusion de matériaux composites en polyuréthanne
US8124234B2 (en) * 2006-11-01 2012-02-28 Dow Global Technologies Llc Polyurethane compositions and articles prepared therefrom, and methods for making the same
US20080139774A1 (en) 2006-12-11 2008-06-12 Lawrey Bruce D Soft thermoplastic polyurethane elastomers and processes for their preparation and use
KR101458236B1 (ko) 2006-12-21 2014-11-04 다우 글로벌 테크놀로지스 엘엘씨 관능화된 올레핀 중합체, 조성물 및 그로부터 제조된 물품, 및 그의 제조 방법
DE102007011239A1 (de) 2007-03-08 2008-11-06 Bayer Materialscience Ag Verfahren zur Herstellung von Formgedächtnisformkörpern mit einem breiten Einsatzbereich
EP2167561A1 (fr) * 2007-07-12 2010-03-31 Dow Global Technologies Inc. Prépolymères et polymères pour élastomères
RU2525912C2 (ru) * 2007-12-28 2014-08-20 Бостик, Инк. Непрерывный способ получения отверждаемых влагой полиуретановых герметиков и адгезивов
DE102008023252A1 (de) 2008-05-13 2009-11-19 Tesa Se Hotmelt-Verfahren zur Herstellung eines chemisch vernetzten Polyurethanfilms
WO2009158600A1 (fr) 2008-06-27 2009-12-30 Cardiac Pacemakers, Inc. Copolymères polyisobutylène uréthane, urée et uréthane/urée et dispositifs médicaux les contenant
AU2010203373B2 (en) 2009-01-12 2013-08-01 University Of Massachusetts Lowell Polyisobutylene-based polyurethanes
US20100222524A1 (en) * 2009-02-27 2010-09-02 Bayer Materialscience Llc High modulus transparent thermoplastic polyurethanes characterized by high heat and chemical resistance
CN102803368B (zh) 2009-06-18 2014-03-12 陶氏环球技术有限责任公司 颜色稳定的无卤素阻燃组合物
US8529934B2 (en) 2009-08-21 2013-09-10 Boston Scientific Scimed, Inc. Crosslinkable polyisobutylene-based polymers and medical devices containing the same
US8374704B2 (en) 2009-09-02 2013-02-12 Cardiac Pacemakers, Inc. Polyisobutylene urethane, urea and urethane/urea copolymers and medical leads containing the same
US8644952B2 (en) 2009-09-02 2014-02-04 Cardiac Pacemakers, Inc. Medical devices including polyisobutylene based polymers and derivatives thereof
US8580884B2 (en) * 2009-11-12 2013-11-12 Kraton Polymers U.S. Llc Thermoplastic polyurethane block copolymer compositions
DE102009046657A1 (de) 2009-11-12 2011-05-19 Tesa Se Haftklebstoff auf Basis von Polyurethan
US20110306734A1 (en) 2010-06-02 2011-12-15 Bayer Materialscience Ag Thermoplastically processable polyurethanes based on succinic acid propionates
IT1400743B1 (it) 2010-06-30 2013-07-02 Dow Global Technologies Inc Composizioni polimeriche
EP2654877B1 (fr) 2010-12-20 2016-08-24 Cardiac Pacemakers, Inc. Fil conducteur comportant un conducteur en polymère conducteur
EP2509127A1 (fr) 2011-04-07 2012-10-10 Bayer Material Science AG Utilisation de polyuréthanes thermoplastiques pour la transformation d'énergie mécanique en énergie électrique
EP2509126A1 (fr) 2011-04-07 2012-10-10 Bayer Material Science AG Utilisation de polyuréthanes thermoplastiques pour la production d'énergie électrique à partir d'énergie des vagues
IN2014DN01802A (fr) 2011-09-30 2015-05-15 Bayer Ip Gmbh
WO2013052732A1 (fr) 2011-10-07 2013-04-11 Boral Industries Inc. Composites de polymère inorganique/polymère organique et procédés pour les préparer
ITTO20120155A1 (it) 2012-02-21 2013-08-22 So F Ter S P A Composizione di polidrossialcanoati durevole
US10570244B2 (en) 2012-08-09 2020-02-25 Pennsy Corporation Cross-linked thermoplastic co-polyester elastomer, method of making same, and articles composed thereof
DE102013000708A1 (de) 2012-10-11 2014-04-17 Entex Rust & Mitschke Gmbh Verfahren zur Extrusion von Kunststoffen, die zum Kleben neigen
DE102012218848A1 (de) 2012-10-16 2014-04-17 Bayer Materialscience Ag Herstellung und Verwendung neuer thermoplastischer Polyurethan-Elastomere auf Basis von Polyethercarbonatpolyolen
DE102012218846A1 (de) 2012-10-16 2014-04-17 Bayer Materialscience Ag Herstellung und Verwendung neuer thermoplastischer Polyurethan-Elastomere auf Basis von Polyethercarbonatpolyolen
EP2922888B1 (fr) 2012-11-21 2021-08-18 The University of Massachusetts Polyuréthane polyisobutylène à résistance élevée
TWI667285B (zh) 2013-10-18 2019-08-01 德商巴斯夫歐洲公司 膨脹熱塑性彈性體之製造
DE102013021027A1 (de) 2013-12-17 2015-06-18 Carl Freudenberg Kg Thermoplastisches Polyurethan für Dichtungsanwendungen
WO2016022103A1 (fr) 2014-08-05 2016-02-11 Amitabha Kumar Composites polymères chargés comprenant des fibres de courte longueur
WO2016118141A1 (fr) 2015-01-22 2016-07-28 Boral Ip Holdings (Australia) Pty Limited Composites de polyuréthanne hautement chargés
US10030126B2 (en) 2015-06-05 2018-07-24 Boral Ip Holdings (Australia) Pty Limited Filled polyurethane composites with lightweight fillers
WO2017082914A1 (fr) 2015-11-12 2017-05-18 Boral Ip Holdings (Australia) Pty Limited Composites de polyuréthane chargés de charges à taille calibrée
DE102016002143A1 (de) 2016-02-25 2017-08-31 Entex Rust & Mitschke Gmbh Füllteilmodul in Planetwalzenextruderbauweise
ES2897458T3 (es) * 2016-03-22 2022-03-01 Lubrizol Advanced Mat Inc Elastómeros termoplásticos de poliuretano-urea procesables por fusión
DE102016007290A1 (de) 2016-06-16 2017-12-21 Entex Rust & Mitschke Gmbh Starter für das Devulkanisieren von Altgummi
CN110366572A (zh) 2017-03-02 2019-10-22 科思创德国股份有限公司 抗冲击的热塑性聚氨酯、其制备和用途
EP3592786B1 (fr) 2017-03-07 2023-05-10 Cardiac Pacemakers, Inc. Hydroboration/oxydation de polyisobutylène terminé par un groupe allyle
DE102017006638A1 (de) 2017-07-13 2019-01-17 Entex Rust & Mitschke Gmbh Füllteilmodul in Planetwalzenextruderbauweise
CN110997746B (zh) 2017-08-17 2021-12-28 心脏起搏器股份公司 用于增强的耐久性的光交联聚合物
US11472911B2 (en) 2018-01-17 2022-10-18 Cardiac Pacemakers, Inc. End-capped polyisobutylene polyurethane
WO2019166125A1 (fr) 2018-02-28 2019-09-06 Entex Rust & Mitschke Gmbh Procédé pour la préparation et la transformation de polymères et de mélanges polymères dans une extrudeuse planétaire de structure modulaire
EP3772519A1 (fr) 2019-08-07 2021-02-10 Covestro Deutschland AG Procédé de production de polymères de polyuréthane thermoplastiquement façonnables
EP3812408A1 (fr) 2019-10-23 2021-04-28 Covestro Deutschland AG Polymère de polyuréthane présentant une dureté <= 60 shore a et une bonne résistance à l'abrasion
EP3812407A1 (fr) 2019-10-23 2021-04-28 Covestro Deutschland AG Polymère de polyuréthane présentant une dureté de <= 60 shore a
EP4079810A1 (fr) 2021-04-20 2022-10-26 LANXESS Deutschland GmbH Polyuréthanes thermoplastiques stables à l'hydrolyse, procédé de production et leur utilisation
EP4342924A1 (fr) 2022-09-26 2024-03-27 Covestro Deutschland AG Procédé de préparation de polyuréthanes thermoplastiques contenant du polyéther
WO2025168329A1 (fr) 2024-02-09 2025-08-14 Covestro Deutschland Ag Procédé de préparation de polyuréthanes thermoplastiques contenant de l'éther de polypropylène

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR956605A (fr) * 1943-07-24 1950-02-02
US3170972A (en) * 1960-01-14 1965-02-23 Bayer Ag Method of extruding a polyurethane article
US3233025A (en) * 1962-04-24 1966-02-01 Mobay Chemical Corp Method of making polyurethanes
GB1001214A (en) * 1963-04-11 1965-08-11 Allied Chem Polyether-urethane elastomers
GB1115026A (en) * 1964-12-14 1968-05-22 Ici Ltd Improved polyurethane manufacturing process
DE1595735A1 (de) * 1966-03-18 1969-08-21 Gewerk Schalker Eisenhuette Vorrichtung zur Herstellung von makromolekularen Syntheseprodukten

Also Published As

Publication number Publication date
US3642964A (en) 1972-02-15
DE2059570B2 (de) 1979-07-19
GB1319305A (en) 1973-06-06
DE2059570A1 (de) 1971-06-09
CA928445A (en) 1973-06-12
ZA707810B (en) 1971-09-29
FR2072814A5 (fr) 1971-09-24

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: THE DOW CHEMICAL CY

Effective date: 19901203