BE863551A - Production de polyethers aromatiques - Google Patents

Production de polyethers aromatiques

Info

Publication number
BE863551A
BE863551A BE184819A BE184819A BE863551A BE 863551 A BE863551 A BE 863551A BE 184819 A BE184819 A BE 184819A BE 184819 A BE184819 A BE 184819A BE 863551 A BE863551 A BE 863551A
Authority
BE
Belgium
Prior art keywords
production
aromatic polyethers
polyethers
aromatic
Prior art date
Application number
BE184819A
Other languages
English (en)
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Publication of BE863551A publication Critical patent/BE863551A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/38Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
    • C08G65/40Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
    • C08G65/4012Other compound (II) containing a ketone group, e.g. X-Ar-C(=O)-Ar-X for polyetherketones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/38Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/38Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
    • C08G65/40Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
    • C08G65/4093Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group characterised by the process or apparatus used
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G75/00Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/20Polysulfones
    • C08G75/23Polyethersulfones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
BE184819A 1977-02-01 1978-02-01 Production de polyethers aromatiques BE863551A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4009/77A GB1586972A (en) 1977-02-01 1977-02-01 Production of aromatic polyethers

Publications (1)

Publication Number Publication Date
BE863551A true BE863551A (fr) 1978-08-01

Family

ID=9769047

Family Applications (1)

Application Number Title Priority Date Filing Date
BE184819A BE863551A (fr) 1977-02-01 1978-02-01 Production de polyethers aromatiques

Country Status (8)

Country Link
US (1) US4176222A (fr)
JP (1) JPS5397094A (fr)
BE (1) BE863551A (fr)
DE (1) DE2803873C2 (fr)
FR (1) FR2378812A1 (fr)
GB (1) GB1586972A (fr)
IT (1) IT1110453B (fr)
NL (1) NL184475C (fr)

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2861696D1 (en) * 1977-09-07 1982-04-29 Ici Plc Thermoplastic aromatic polyetherketones, a method for their preparation and their application as electrical insulants
ZA784896B (en) * 1977-09-07 1980-04-30 Ici Ltd Thermoplastic aromatic polyetherketones
DE2749645A1 (de) * 1977-11-05 1979-05-10 Basf Ag Verfahren zur herstellung von polyaethern
EP0010868A3 (fr) * 1978-10-27 1980-06-11 Imperial Chemical Industries Plc Préparation de polyéthers aromatiques
US4339568A (en) * 1979-12-03 1982-07-13 Union Carbide Corporation Aromatic polymers containing ketone groups
JPS57137116A (en) 1981-02-19 1982-08-24 Sumitomo Chem Co Ltd Orientation of thermoplastic polyetheretherketone film or sheet
DE3466401D1 (en) * 1983-05-12 1987-10-29 Ici Plc Method of increasing molecular weight of poly(aryl ethers)
US5110880A (en) * 1983-09-29 1992-05-05 Amoco Corporation Blends of poly(aryl ketone) and a polyetherimide
DE3342433A1 (de) * 1983-11-24 1985-06-05 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von aromatischen polyaethern
US4859715A (en) * 1984-05-18 1989-08-22 Raychem Corporation Microporous poly (arylether ketone) article
CA1262000A (fr) * 1985-02-27 1989-09-26 Isaburo Fukawa Preparation de polyethercetones aromatiques cristallises
US4638044A (en) * 1985-03-20 1987-01-20 Amoco Corporation Process for preparing poly(aryl ether ketone)s
US4774311A (en) * 1985-08-21 1988-09-27 Amoco Corporation Preparation of poly(aryl ether ketones) in the presence of an alkali, alkaline earth of lanthanide metal salt
DE3602090A1 (de) * 1986-01-24 1987-07-30 Basf Ag Verfahren zur herstellung von aromatischen block-copolyethern
US4789722A (en) * 1986-01-30 1988-12-06 Hercules Incorporated Polyarylene polyether made using mixed base system
US4774314A (en) * 1986-04-25 1988-09-27 Amoco Corporation Preparing poly(aryl ethers) using alkaline earth metal carbonates, organic acid salts, and optionally copper compounds, as catalysts
US4748227A (en) * 1986-04-25 1988-05-31 Amoco Corporation Process for preparing poly(aryl ether)ketones using a sodium carbonate/organic acid salt catalyst
DE3700808A1 (de) * 1987-01-14 1988-07-28 Basf Ag Verfahren zur herstellung von polyaryletherketonen
GB8702993D0 (en) * 1987-02-10 1987-03-18 Ici Plc Aromatic polymer
EP0292211A3 (fr) * 1987-05-18 1989-06-14 Imperial Chemical Industries Plc Production et/ou traítement de polymères
EP0336420B1 (fr) * 1988-04-08 1994-03-16 Idemitsu Kosan Company Limited Polyethers aromatiques, compositions de résines fluorescentes les contenant et procédé de leur préparation
US4963627A (en) * 1988-12-30 1990-10-16 Amoco Corporation Injection moldable blends of poly(etherketones) and polyamide-imides
DE3907474A1 (de) * 1989-03-08 1990-09-13 Bayer Ag Verfahren zur herstellung von aromatischen polyetherketonen
US5037936A (en) * 1989-04-24 1991-08-06 Amoco Corporation Bis(acid chloride) terminated polyaryl ether ketone oligomer
DE3926262A1 (de) * 1989-08-09 1991-02-14 Hoechst Ag Verfahren zur herstellung eines aromatischen polyethers in gegenwart von feinverteilten kondensationshilfsmitteln
DE3926263A1 (de) * 1989-08-09 1991-02-14 Hoechst Ag Verfahren zur herstellung eines aromatischen polyethers
KR930006259B1 (ko) * 1990-02-02 1993-07-09 한국과학기술원 새로운 방향족 폴리술폰에테르케톤 중합체
US5306789A (en) * 1990-10-31 1994-04-26 Hay Allan S Amorphous, soluble, aromatic polymers with high glass transition temperatures
US5210128A (en) * 1991-07-24 1993-05-11 Phillips Petroleum Company Poly(arylene sulfide) compositions, composites, and methods of production
US5239043A (en) * 1991-12-31 1993-08-24 Amoco Corporation Process for preparation of poly(aryl ether) polymers by macro bicyclic catalysts
US5235020A (en) * 1991-12-31 1993-08-10 Amoco Corporation Process for preparation of poly(aryl ether) polymers by acyclic catalysts
US5235019A (en) * 1991-12-31 1993-08-10 Amoco Corporation Process for preparation of poly(aryl ether) polymers by macro monocyclic catalysts
GB9324731D0 (en) * 1993-12-02 1994-01-19 North West Water Group Plc Aromatic polysulphones
US5571415A (en) * 1994-11-02 1996-11-05 Rohm And Haas Company Method for preparing porous polymer structures
JP4362878B2 (ja) * 1998-09-25 2009-11-11 住友化学株式会社 熱可塑性芳香族ポリスルホン樹脂
DE60044589D1 (de) 1999-04-07 2010-08-05 Solvay Advanced Polymers Llc Poly(biphenyl ether sulfon)-Harze mit verbesserter UV-Vergilbungsbeständigkeit
US6495615B1 (en) 2001-02-16 2002-12-17 General Electric Company High modulus polyether sulfone compositions with improved impact
US7649040B2 (en) * 2002-04-11 2010-01-19 Sabic Innovative Plastics Ip B.V. Flame retardant fiber reinforced composition with improved flow
US20050038145A1 (en) * 2003-08-11 2005-02-17 General Electric Company Flame retardant fiber reinforced composition with improved flow
JP4199985B2 (ja) 2002-10-28 2008-12-24 株式会社クレハ 樹脂組成物
US7259201B2 (en) * 2003-08-28 2007-08-21 General Electric Company Flame retardant thermoplastic films and methods of making the same
DE102005002084A1 (de) * 2005-01-14 2006-07-20 Degussa Ag Verfahren zur Herstellung von Polyarylenetherketonen
US8814861B2 (en) 2005-05-12 2014-08-26 Innovatech, Llc Electrosurgical electrode and method of manufacturing same
US7147634B2 (en) 2005-05-12 2006-12-12 Orion Industries, Ltd. Electrosurgical electrode and method of manufacturing same
EP1937774A2 (fr) 2005-09-16 2008-07-02 General Electric Company Melanges polymeres de polyaryl-ether-cetone ameliores
US20070065615A1 (en) * 2005-09-16 2007-03-22 Odle Roy R Annular or tubular shaped articles of novel polymer blends
US20070066737A1 (en) * 2005-09-16 2007-03-22 Gallucci Robert R Flame retardant polymer blends
US20070066740A1 (en) * 2005-09-16 2007-03-22 Odle Roy R Annular or tubular shaped articles of novel polymer blends
US9006348B2 (en) * 2005-09-16 2015-04-14 Sabic Global Technologies B.V. Poly aryl ether ketone polymer blends
US20070066739A1 (en) * 2005-09-16 2007-03-22 General Electric Company Coated articles of manufacture made of high Tg polymer blends
EP1966313B1 (fr) * 2005-12-23 2014-09-10 Solvay Sa Nouvelle utilisation de poly(biphenyl ether sulfone)s
JP5252400B2 (ja) * 2006-03-07 2013-07-31 ソルベイ スペシャルティ ポリマーズ ユーエスエー エルエルシー 新規なポリアリーレン組成物
US20080312387A1 (en) * 2006-08-11 2008-12-18 Solvay Advanced Polymers, L.L.C. New Polyarylene Composition
TWI405816B (zh) * 2006-03-17 2013-08-21 Solvay Advanced Polymers Llc 新穎的聚合物組成物
CN100374483C (zh) * 2006-03-29 2008-03-12 长春吉大高科技股份有限公司 聚醚醚砜和聚醚醚酮三元共聚物的制备方法
US20090281227A1 (en) * 2006-07-07 2009-11-12 Solvay Advanced Polymers, L.L.C. Polymer Composition Suitable for Electrostatic Discharge Applications
US8399573B2 (en) * 2006-11-22 2013-03-19 Sabic Innovative Plastics Ip B.V. Polymer blend compositions
US20080119616A1 (en) * 2006-11-22 2008-05-22 General Electric Company Polyimide resin compositions
US8829100B2 (en) * 2006-12-19 2014-09-09 Sabic Innovative Plastics Ip B.V. Reinforced amorphous polymer composition
US20080274360A1 (en) * 2007-05-04 2008-11-06 General Electric Company Polyaryl ether ketone - polycarbonate copolymer blends
US20090018242A1 (en) * 2007-07-12 2009-01-15 Ganesh Kailasam Polyetherimide/polyphenylene ether sulfone blends
US8034857B2 (en) * 2007-07-12 2011-10-11 Sabic Innovative Plastics Ip B.V. Polyetherimide/polyphenylene ether sulfone blends
TWI461458B (zh) 2007-08-10 2014-11-21 Solvay Advanced Polymers Llc 改良之聚(芳基醚酮)類及製造彼等之方法
WO2009034087A2 (fr) * 2007-09-11 2009-03-19 Solvay Advanced Polymers, L.L.C. Nouveaux dispositifs prothétiques
EP2208748B1 (fr) * 2007-10-31 2014-10-01 Kaneka Corporation Polyétheréthercétone
IN2007CH02892A (fr) 2007-12-04 2009-09-11 Solvay
EP2225328B2 (fr) * 2007-12-18 2015-12-09 Solvay Specialty Polymers USA, LLC. Copolymères à teneur en polyphényle, sulfone et cétone
BRPI0918079B8 (pt) * 2008-09-19 2020-02-04 Solvay Advanced Polymers Llc tubo flexível, composição de polímero, e, método para preparar uma composição de polímero
WO2010043705A1 (fr) 2008-10-17 2010-04-22 Solvay Advanced Polymers, L.L.C. Fibre ou feuille composée de polymères à haute tg et son processus de fabrication
WO2010046482A1 (fr) * 2008-10-24 2010-04-29 Solvay Advanced Polymers, L.L.C. Diphénylsulfone de pureté élevée, sa synthèse et son application à la synthèse d'une poly(aryléthercétone)
US8912272B2 (en) 2008-12-19 2014-12-16 Sabic Innovative Plastics Ip B.V. Moisture resistant polyimide compositions
CN101580583B (zh) * 2009-06-26 2011-03-30 金发科技股份有限公司 采用四元共聚技术制备聚芳醚酮类共聚物的方法
EP2588513B1 (fr) 2010-07-02 2017-10-04 Solvay Specialty Polymers USA, LLC. Procédé de fabrication de poly(aryléthercétones) à partir de 4,4' difluorobenzophénone comprenant des espèces oxydantes et/ou des composés nitrés
US20120165480A1 (en) 2010-12-23 2012-06-28 Solvay Advanced Polymers L.L.C. Sterilization chamber made of a polymeric material, process for its manufacture and sterilization apparatus comprising this chamber
CN103732660A (zh) 2011-06-03 2014-04-16 沙伯基础创新塑料知识产权有限公司 消毒的聚醚酰亚胺制品
KR101913825B1 (ko) 2011-06-03 2018-10-31 사빅 글로벌 테크놀러지스 비.브이. 멸균 폴리에테르이미드/폴리페닐렌 에테르 설폰 물품
EP2771637A1 (fr) 2011-10-26 2014-09-03 Carrier Corporation Echangeur de chaleur à tube en polymère
US9074093B2 (en) 2011-12-09 2015-07-07 Sabic Global Technologies B.V. Blends of polyphenylene ether sulfone and polyester carbonate
US20130150504A1 (en) 2011-12-09 2013-06-13 Sabic Innovative Plastics Ip B.V. Blends of polyphenylene ether sulfone and silicone polyester carbonate
EP2820113B1 (fr) 2012-02-28 2017-07-12 SABIC Global Technologies B.V. Procédés et compositions pour nettoyer les dispositifs de mélange afin d'améliorer la production de polycarbonate
EP2662399B1 (fr) * 2012-05-11 2014-07-16 Ems-Patent Ag Procédé de fabrication de polysulfones
US10557057B2 (en) 2012-09-04 2020-02-11 Solvay Specialty Polymers Usa, Llc. High melt flow PAEK compositions
CN104769041B (zh) 2012-09-04 2017-05-17 索尔维特殊聚合物美国有限责任公司 高熔体流动性peak组合物
KR102368334B1 (ko) 2013-09-09 2022-03-02 바스프 에스이 막 적용을 위한 폴리아릴렌 에테르 술폰 폴리머
GB201317183D0 (en) * 2013-09-27 2013-11-06 Appleyard Lees Polymeric Material
CN103980477B (zh) * 2014-05-22 2016-03-23 吉林大学 一种利用酸终止聚芳醚类聚合物聚合反应的方法
US9695280B2 (en) 2015-03-03 2017-07-04 Ricoh Co., Ltd. Methods for solid freeform fabrication
US10066119B2 (en) 2015-03-03 2018-09-04 Ricoh Co., Ltd. Method for solid freeform fabrication
WO2016144947A1 (fr) 2015-03-09 2016-09-15 Sabic Global Technologies B.V. Mélanges miscibles de polyphénylène éther sulfone/poly(téréphtalate d'alcylène)
WO2017072676A1 (fr) 2015-10-30 2017-05-04 Sabic Global Technologies B.V. Mélanges de polyaryléthercétone-polycarbonate antichocs
US11136671B2 (en) 2015-11-27 2021-10-05 Solvay Specialty Polymers Italy S.P.A. Multilayer composition and process of making
US10370530B2 (en) 2016-02-26 2019-08-06 Ricoh Company, Ltd. Methods for solid freeform fabrication
EP3443021B1 (fr) 2016-04-15 2020-06-03 SABIC Global Technologies B.V. Compositions polyisoindolinone, procédés de fabrication et compositions et articles formés à partir de ces dernières
US10427353B2 (en) 2016-05-13 2019-10-01 Ricoh Company, Ltd. Additive manufacturing using stimuli-responsive high-performance polymers
CN110248984B (zh) 2016-12-21 2022-03-04 索尔维特殊聚合物美国有限责任公司 聚(醚酮酮)聚合物、相应的合成方法和聚合物组合物以及由其制成的制品
EP3577164B1 (fr) * 2017-02-01 2021-06-02 Basf Se Polyarylène ether sulfone contenant acide naphthalique group terminatrice.
EP3492475A1 (fr) 2017-12-01 2019-06-05 Rhodia Operations Nouveaux précurseurs cycloadduits de dihalobenzophénones et leurs préparations
EP3492449B1 (fr) 2017-12-01 2020-09-23 Rhodia Operations Procédé pour la préparation de dihalobenzophénones, nouveaux produits chimiques utiles pour leur mise en oeuvre et procédés de préparation desdits produits chimiques
CN112996838B (zh) * 2018-11-14 2024-02-23 住友化学株式会社 芳香族聚砜的制造方法
EP3736260A1 (fr) 2019-05-10 2020-11-11 Rhodia Operations Procédé pour la préparation de dihalobenzophénones, nouveaux produits chimiques utiles pour leur mise en uvre et procédés de préparation desdits produits chimiques
EP3736259B1 (fr) 2019-05-10 2022-08-03 Rhodia Operations Nouveaux précurseurs cycloadduits de dihalobenzophénones et leurs préparations
WO2021009729A1 (fr) 2019-07-18 2021-01-21 Shpp Global Technologies B.V. Articles métallisés et leurs procédés de fabrication
EP3999577A1 (fr) 2019-07-18 2022-05-25 SHPP Global Technologies B.V. Composition thermoplastique et articles métallisés préparés à partir de cette dernière
US20220251309A1 (en) 2019-09-16 2022-08-11 Shpp Global Technologies B.V. Method of preparing polymer particles and polymer particles prepared thereby
TW202219110A (zh) * 2020-09-02 2022-05-16 日商出光興產股份有限公司 聚醚醚酮及聚醚醚酮之製造方法
EP4008751B1 (fr) 2020-12-02 2023-09-06 SHPP Global Technologies B.V. Composition, son procédé de fabrication et articles préparés à partir de la composition
EP4008749B1 (fr) 2020-12-02 2024-05-01 SHPP Global Technologies B.V. Composition, son procédé de fabrication et articles préparés à partir de la composition
MX2023008741A (es) 2021-02-22 2023-08-29 Solvay Specialty Polymers Usa Alambres aislados.
WO2023152236A1 (fr) 2022-02-10 2023-08-17 Solvay Specialty Polymers Usa, Llc Composant utilisé comme barrière d'isolation électrique à base de polyaryléthercétone (paek) et de polyphénylsulfone (ppsu)
WO2024003064A1 (fr) 2022-06-27 2024-01-04 Solvay Specialty Polymers Usa, Llc Manchon de rotor à base d'un matériau composite thermoplastique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3332909A (en) * 1965-07-15 1967-07-25 Union Carbide Corp Polyarylene polyethers
US3941748A (en) * 1970-08-19 1976-03-02 Imperial Chemical Industries Limited Process for preparing aromatic polymers in presence of alkali metal fluoride
AU3230778A (en) * 1977-01-25 1979-07-19 Ici Ltd Aromatic polyethersulphones

Also Published As

Publication number Publication date
FR2378812A1 (fr) 1978-08-25
JPS5397094A (en) 1978-08-24
NL184475C (nl) 1989-08-01
DE2803873C2 (de) 1982-11-04
JPS562091B2 (fr) 1981-01-17
NL7801090A (nl) 1978-08-03
US4176222A (en) 1979-11-27
NL184475B (nl) 1989-03-01
IT1110453B (it) 1985-12-23
FR2378812B1 (fr) 1980-08-29
IT7819851A0 (it) 1978-01-31
GB1586972A (en) 1981-03-25
DE2803873A1 (de) 1978-08-03

Similar Documents

Publication Publication Date Title
BE863551A (fr) Production de polyethers aromatiques
FI781584A (fi) Foerbaettrad fraktbaerare
JPS5430155A (en) Production of oligoimide
JPS53113006A (en) Production of alubmin
GB2010822B (en) Production of nitrodiarylamines
GB2010830B (en) Production of nitrodiarylamines
BE871422A (fr) Production de 2,6-diaminonebularines
JPS53124638A (en) Production of onigiri
JPS5459249A (en) Production of alphaa cyanobenzylester
JPS5424874A (en) Production of dodecamethylcyclohexasilane
GB2005301B (en) Production of
JPS5459296A (en) Production of alphaaaminoo paraahydroxybenzylpeniciline
JPS5422356A (en) Production of homosteroids
JPS5414990A (en) Production of chlorooss triazinetriones
SE7811187L (sv) Keramikframstellning
IT7850748A0 (it) Produzione di n-acil-tienamicine
JPS53104752A (en) Production of ganmodoki
JPS5430143A (en) Production of benzoinalkylether
JPS5414989A (en) Production of fuorinated sstriazine
JPS5495790A (en) Production of glycoalcohol
JPS5480456A (en) Production of cornbeef
BR7806108A (pt) Preparacao de ciano-acetato de alquenila
JPS5463068A (en) Manufacture of substituted dihydrofuran
JPS5455557A (en) Production of substituted 11aminoanthraquinones
IL54140A (en) Production of chlorothioformates

Legal Events

Date Code Title Description
CH Change of patent owner
RE20 Patent expired

Owner name: VICTREX MANUFACTURING LTD

Effective date: 19980201