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

    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/38—Macromolecular 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
    • C08G65/40—Macromolecular 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
    • C08G65/4012—Other compound (II) containing a ketone group, e.g. X-Ar-C(=O)-Ar-X for polyetherketones
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/38—Macromolecular 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
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/38—Macromolecular 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
    • C08G65/40—Macromolecular 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
    • C08G65/4093—Macromolecular 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
    • 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
    • C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/20—Polysulfones
    • C08G75/23—Polyethersulfones
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
ZA784896B (en) * 1977-09-07 1980-04-30 Ici Ltd Thermoplastic aromatic polyetherketones
DE2861696D1 (en) * 1977-09-07 1982-04-29 Ici Plc Thermoplastic aromatic polyetherketones, a method for their preparation and their application as electrical insulants
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
EP0125816B1 (fr) * 1983-05-12 1987-09-23 Imperial Chemical Industries Plc Procédé pour élever le poids moléculaire de poly(éthers d'aryle)
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
US5235020A (en) * 1991-12-31 1993-08-10 Amoco Corporation Process for preparation of poly(aryl ether) polymers by acyclic catalysts
US5239043A (en) * 1991-12-31 1993-08-24 Amoco Corporation Process for preparation of poly(aryl ether) polymers by macro bicyclic 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
AU4195300A (en) 1999-04-07 2000-10-23 Bp Corporation North America Inc. Poly(biphenyl ether sulfone) resins having improved uv yellowing resistance
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
US20070066737A1 (en) * 2005-09-16 2007-03-22 Gallucci Robert R Flame retardant polymer blends
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
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
US20070066740A1 (en) * 2005-09-16 2007-03-22 Odle Roy R Annular or tubular shaped articles of novel 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
KR101424828B1 (ko) * 2006-03-17 2014-08-06 솔베이 스페셜티 폴리머즈 유에스에이, 엘엘씨 신규한 중합체 조성물
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
US20080119616A1 (en) * 2006-11-22 2008-05-22 General Electric Company Polyimide resin compositions
US8399573B2 (en) 2006-11-22 2013-03-19 Sabic Innovative Plastics Ip B.V. Polymer blend 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
EP2197505B1 (fr) * 2007-09-11 2015-04-15 Solvay Specialty Polymers USA, LLC. Nouveaux dispositifs prothétiques
US8575298B2 (en) * 2007-10-31 2013-11-05 Kaneka Corporation Polyether ether ketone, and method for purification of polymer material
IN2007CH02892A (fr) 2007-12-04 2009-09-11 Solvay
ES2379436T5 (es) * 2007-12-18 2016-03-29 Solvay Specialty Polymers Usa, Llc. Copolímeros de polifenilsulfonacetona
CN102159619B (zh) * 2008-09-19 2015-02-18 索维高级聚合物股份有限公司 聚芳基醚酮/全氟聚合物组合物制成的挠性管
BRPI0919681A2 (pt) 2008-10-17 2017-10-31 Solvay Advanced Polymers Llc processo para a fabricação de uma fibra ou folha, e, fibra ou folha
CN102257033B (zh) * 2008-10-24 2014-01-29 索维高级聚合物股份有限公司 用于制造聚(芳基醚酮)的改进的方法以及用于提供适合于制造聚(芳基醚酮)的碳酸钠的改进的方法
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
WO2012001131A1 (fr) 2010-07-02 2012-01-05 Solvay Specialty Polymers Usa, L.L.C. 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
KR101942539B1 (ko) 2011-06-03 2019-01-25 사빅 글로벌 테크놀러지스 비.브이. 멸균 폴리에테르이미드 물품
WO2012167084A1 (fr) 2011-06-03 2012-12-06 Sabic Innovative Plastics Ip B.V. Articles stérilisés polyétherimide/polyphénylène éther sulfone
CN103890533A (zh) 2011-10-26 2014-06-25 开利公司 聚合物管热交换器
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
EP2892958B1 (fr) 2012-09-04 2016-06-01 Solvay Specialty Polymers USA, LLC. Compositions poly(aryl ether cétone) (paek)
KR102150906B1 (ko) 2012-09-04 2020-09-02 솔베이 스페셜티 폴리머즈 유에스에이, 엘.엘.씨. 고용융 유동성 peak 조성물
US10265663B2 (en) 2013-09-09 2019-04-23 Basf Se Polyarylene ether sulfone-polymers for membrane applications
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
US10221314B2 (en) 2015-03-09 2019-03-05 Sabic Global Technologies B.V. Miscible polyphenylene ether sulfone/polyalkylene terephthalate blends
EP3368608A1 (fr) 2015-10-30 2018-09-05 SABIC Global Technologies B.V. Mélanges de polyaryléthercétone-polycarbonate antichocs
JP2018537034A (ja) 2015-11-27 2018-12-13 ソルベイ スペシャルティ ポリマーズ イタリー エス．ピー．エー． 多層組成物および製造方法
US10370530B2 (en) 2016-02-26 2019-08-06 Ricoh Company, Ltd. Methods for solid freeform fabrication
CN108884223A (zh) 2016-04-15 2018-11-23 沙特基础工业全球技术有限公司 聚异吲哚啉酮组合物、制备方法及由其形成的组合物和制品
US10427353B2 (en) 2016-05-13 2019-10-01 Ricoh Company, Ltd. Additive manufacturing using stimuli-responsive high-performance polymers
JP7187459B2 (ja) 2016-12-21 2022-12-12 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 ポリ（エーテルケトンケトン）ポリマー、対応する合成法およびポリマー組成物およびそれらから製造される物品
US11193020B2 (en) * 2017-02-01 2021-12-07 Basf Se Polyarylene ether sulfone comprising naphthalic acid anhydride endgroups
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
EP3736259B1 (fr) 2019-05-10 2022-08-03 Rhodia Operations Nouveaux précurseurs cycloadduits de dihalobenzophénones et leurs préparations
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
EP3999577A1 (fr) 2019-07-18 2022-05-25 SHPP Global Technologies B.V. Composition thermoplastique et articles métallisés préparés à partir de cette dernière
WO2021009729A1 (fr) 2019-07-18 2021-01-21 Shpp Global Technologies B.V. Articles métallisés et leurs procédés de fabrication
WO2021055267A1 (fr) 2019-09-16 2021-03-25 Sabic Global Technologies B.V. Procédé de préparation de particules polymères et particules polymères préparées par ledit procédé
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 Llc 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
DE2803873C2 (de) 1982-11-04
DE2803873A1 (de) 1978-08-03
NL184475C (nl) 1989-08-01
NL7801090A (nl) 1978-08-03
IT1110453B (it) 1985-12-23
FR2378812B1 (fr) 1980-08-29
JPS5397094A (en) 1978-08-24
NL184475B (nl) 1989-03-01
IT7819851A0 (it) 1978-01-31
JPS562091B2 (fr) 1981-01-17
US4176222A (en) 1979-11-27
GB1586972A (en) 1981-03-25
FR2378812A1 (fr) 1978-08-25

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
JPS5414990A (en) Production of chlorooss triazinetriones
JPS5459296A (en) Production of alphaaaminoo paraahydroxybenzylpeniciline
JPS5422356A (en) Production of homosteroids
SE7811187L (sv) Keramikframstellning
IT7850748A0 (it) Produzione di n-acil-tienamicine
JPS53104752A (en) Production of ganmodoki
JPS5495790A (en) Production of glycoalcohol
JPS5480456A (en) Production of cornbeef
JPS5414989A (en) Production of fuorinated sstriazine
JPS5430143A (en) Production of benzoinalkylether
BR7806108A (pt) Preparacao de ciano-acetato de alquenila
JPS5463068A (en) Manufacture of substituted dihydrofuran
JPS5455557A (en) Production of substituted 11aminoanthraquinones
NZ186468A (en) Production of phenoxy-benzaldehydes

Legal Events

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

Owner name: VICTREX MANUFACTURING LTD

Effective date: 19980201