WO1987004426A3 - Compositions de vinyle - Google Patents

Compositions de vinyle Download PDF

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Publication number
WO1987004426A3
WO1987004426A3 PCT/EP1986/000754 EP8600754W WO8704426A3 WO 1987004426 A3 WO1987004426 A3 WO 1987004426A3 EP 8600754 W EP8600754 W EP 8600754W WO 8704426 A3 WO8704426 A3 WO 8704426A3
Authority
WO
WIPO (PCT)
Prior art keywords
vinyl compositions
vinyl
compositions
useful
formula
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.)
Ceased
Application number
PCT/EP1986/000754
Other languages
German (de)
English (en)
Other versions
WO1987004426A2 (fr
Inventor
Andreas Waechtler
Joachim Krause
Rudolf Eidenschink
Bernhard Scheuble
Reinhard Hittich
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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 Merck Patent GmbH filed Critical Merck Patent GmbH
Priority to DE8787901266T priority Critical patent/DE3673166D1/de
Priority to JP62501791A priority patent/JP2826730B2/ja
Priority to AT87901266T priority patent/ATE55103T1/de
Publication of WO1987004426A2 publication Critical patent/WO1987004426A2/fr
Publication of WO1987004426A3 publication Critical patent/WO1987004426A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/26—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/03—Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
    • C07C43/04—Saturated ethers
    • C07C43/115—Saturated ethers containing carbocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/18—Ethers having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring
    • C07C43/188—Unsaturated ethers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
    • C07C43/21—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing rings other than six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
    • C07C43/215—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring having unsaturation outside the six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/04—1,3-Dioxanes; Hydrogenated 1,3-dioxanes
    • C07D319/06—1,3-Dioxanes; Hydrogenated 1,3-dioxanes not condensed with other rings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/14—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a carbon chain
    • C09K19/18—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a carbon chain the chain containing carbon-to-carbon triple bonds, e.g. tolans
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3003—Compounds containing at least two rings in which the different rings are directly linked (covalent bond)
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3028—Cyclohexane rings in which at least two rings are linked by a carbon chain containing carbon to carbon single bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3441—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom
    • C09K19/345—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
    • C09K19/3458—Uncondensed pyrimidines
    • C09K19/3469—Pyrimidine with a specific end-group other than alkyl, alkoxy or -C*-
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K2019/0444—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
    • C09K2019/3422—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom the heterocyclic ring being a six-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

Des compositions de vinyle ayant la formule (I): R1-(A1-Z1)m-(A2-Z2)n-(A3)o-Q-CH=CH-R2, dans laquelle R1, R2, A1, A2 at A3, Z1 et Z2, m et o, n, Q et p ont la signification donnée dans la première revendication, sont utiles comme composants de phases de cristaux liquides.
PCT/EP1986/000754 1986-01-20 1986-12-16 Compositions de vinyle Ceased WO1987004426A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE8787901266T DE3673166D1 (de) 1986-01-20 1986-12-16 Vinylen-verbindungen und fluessigkristalline phase.
JP62501791A JP2826730B2 (ja) 1986-01-20 1986-12-16 ビニレン化合物
AT87901266T ATE55103T1 (de) 1986-01-20 1986-12-16 Vinylen-verbindungen und fluessigkristalline phase.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863601452 DE3601452A1 (de) 1986-01-20 1986-01-20 Vinylen-verbindungen
DEP3601452.4 1986-01-20

Publications (2)

Publication Number Publication Date
WO1987004426A2 WO1987004426A2 (fr) 1987-07-30
WO1987004426A3 true WO1987004426A3 (fr) 1987-10-22

Family

ID=6292166

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1986/000754 Ceased WO1987004426A2 (fr) 1986-01-20 1986-12-16 Compositions de vinyle

Country Status (6)

Country Link
EP (2) EP0256097B1 (fr)
JP (1) JP2826730B2 (fr)
AT (2) ATE55103T1 (fr)
DE (3) DE3601452A1 (fr)
SG (1) SG30564G (fr)
WO (1) WO1987004426A2 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242716B1 (fr) * 1986-04-22 1991-03-20 F. Hoffmann-La Roche Ag Dérivés liquides cristallins de la pyridine
EP0268198B1 (fr) * 1986-11-20 1993-09-01 F. Hoffmann-La Roche Ag Cristaux liquides ferroélectriques
US5013477A (en) * 1987-11-06 1991-05-07 Hoffmann-La Roche Inc. Alkenylbicyclohexane liquid crystals
CA1336441C (fr) * 1987-12-28 1995-07-25 Manabu Uchida Composition de cristal liquide
GB8811374D0 (en) * 1988-05-13 1988-06-15 Merck Patent Gmbh Thermochromic esters
US5102578A (en) * 1988-08-15 1992-04-07 Hoffmann-La Roche Inc. Liquid crystalline mixtures and method of making same
US5264151A (en) * 1988-08-29 1993-11-23 Sumitomo Chemical Company, Limited Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element
US5124070A (en) * 1988-08-29 1992-06-23 Sumitomo Chemical Company, Limited Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element
JP2750436B2 (ja) * 1988-09-19 1998-05-13 チッソ株式会社 アルケニルエーテル化合物及びそれを含む液晶組成物
JPH02225444A (ja) * 1989-02-28 1990-09-07 Seimi Chem Kk アルケニル化合物及びそれを含有する液晶組成物
JPH02273638A (ja) * 1989-04-14 1990-11-08 Dainippon Ink & Chem Inc 新規液晶化合物
JP2703981B2 (ja) * 1989-03-13 1998-01-26 チッソ株式会社 アルケニルエーテル誘導体
JP2711714B2 (ja) * 1989-04-18 1998-02-10 チッソ株式会社 液晶組成物および該組成物を用いた液晶表示素子
US5032312A (en) * 1989-04-20 1991-07-16 Hoffmann-La Roche Inc. 3E-cyclohexylalkoxy derivatives
EP0409634A3 (en) * 1989-07-20 1991-11-27 Sanyo Chemical Industries Ltd. Liquid crystal compounds and optically active compounds
DE3928267A1 (de) * 1989-08-26 1991-02-28 Merck Patent Gmbh 5-oxy-2-phenylpyrimidine und fluessigkristallines medium
DE4002609A1 (de) * 1989-09-07 1991-03-21 Merck Patent Gmbh Difluorbenzonitrile und fluessigkristallines medium
EP0452719B1 (fr) * 1990-03-28 1995-06-28 MERCK PATENT GmbH Biphényles halogénés et milieu cristal liquide
DE4018651B4 (de) * 1990-06-11 2005-12-22 Merck Patent Gmbh Flüssigkristallines Medium und seine Verwendung
EP0502154A1 (fr) * 1990-09-26 1992-09-09 MERCK PATENT GmbH Derives de fluorobenzene
EP0518190B1 (fr) * 1991-06-14 2000-08-02 Rolic AG Utilisation d'alkenyloxyphenylpyrimidines pour melanges ferroelectriques
US5486935A (en) * 1993-06-29 1996-01-23 Kaiser Aerospace And Electronics Corporation High efficiency chiral nematic liquid crystal rear polarizer for liquid crystal displays having a notch polarization bandwidth of 100 nm to 250 nm
US5707547A (en) * 1993-08-03 1998-01-13 Sumitomo Chemical Company, Limited Trans-olefin compounds, method for production thereof, liquid crystal composition containing the same as active ingredient, and liquid crystal element using said composition
KR100311921B1 (ko) * 1993-10-13 2002-10-31 스미또모 가가꾸 고오교오 가부시끼가이샤 톨란화합물,그의제조방법,이화합물을유효성분으로하는액정조성물및이액정조성물을사용하여이루어진액정소자
TW368516B (en) * 1995-06-05 1999-09-01 Chisso Corp Alkenylcyclohexane derivatives and liquid crystal composition
EP0884302A4 (fr) * 1996-02-07 1999-05-19 Chisso Corp Derives d'esters carboxyliques a groupe ether et composition de cristaux liquides les contenant
US6149990A (en) * 1996-02-07 2000-11-21 Chisso Corporation Carboxylate derivatives comprising an ether group and liquid crystal composition comprising the same
GB9620060D0 (en) * 1996-09-26 1996-11-13 Secr Defence Liquid crystal compounds, mixtures and devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122389A2 (fr) * 1983-03-16 1984-10-24 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Composants de cristaux liquides ayant une chaîne alcénylique
EP0136501A2 (fr) * 1983-09-01 1985-04-10 MERCK PATENT GmbH Trialcanoyloxysilanes
EP0168683A2 (fr) * 1984-07-16 1986-01-22 F. Hoffmann-La Roche Ag Cristaux liquides ayant des groupes alcénoyl ou alcénoyloxy

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Publication number Priority date Publication date Assignee Title
BE795849A (fr) 1972-02-26 1973-08-23 Merck Patent Gmbh Phases nematiques modifiees
US3814700A (en) 1972-08-03 1974-06-04 Ibm Method for controllably varying the electrical properties of nematic liquids and dopants therefor
DE2450088A1 (de) 1974-10-22 1976-04-29 Merck Patent Gmbh Biphenylester
DE2637430A1 (de) 1976-08-20 1978-02-23 Merck Patent Gmbh Fluessigkristallines dielektrikum
DE2853728A1 (de) 1978-12-13 1980-07-17 Merck Patent Gmbh Fluessigkristalline carbonsaeureester, verfahren zu ihrer herstellung, diese enthaltende dielektrika und elektrooptisches anzeigeelement
DE2902177A1 (de) 1978-12-21 1980-07-17 Bbc Brown Boveri & Cie Fluessigkristallmischung
DE3100142A1 (de) 1981-01-07 1982-08-12 Merck Patent Gmbh, 6100 Darmstadt Cyclohexylcarbonitrilderivate, diese enthaltende dielektrika und elektrooptisches anzeigeelement
DE3201721A1 (de) 1981-01-30 1982-08-19 F. Hoffmann-La Roche & Co. AG, 4002 Basel Disubstituierte aethane
DE3268611D1 (en) * 1981-02-25 1986-03-06 Hitachi Ltd Colorless liquid crystalline compounds

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
EP0122389A2 (fr) * 1983-03-16 1984-10-24 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Composants de cristaux liquides ayant une chaîne alcénylique
EP0136501A2 (fr) * 1983-09-01 1985-04-10 MERCK PATENT GmbH Trialcanoyloxysilanes
EP0168683A2 (fr) * 1984-07-16 1986-01-22 F. Hoffmann-La Roche Ag Cristaux liquides ayant des groupes alcénoyl ou alcénoyloxy

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, Vol. 102, No. 6, 11 February 1985 (Columbus, Ohio, US), C AQUILERA et al.: "Thermotropic Liquid Crystalline Bimesogenic Molecules with highly Flexible Oligosiloxane Spacer", see page 560, Abstract No. 54271g, Polym, Bull. (Berlin) 1984, 12 (5), 383-8 *
CHEMICAL ABSTRACTS, Vol. 107, No. 2, 13 July 1987 (Columbus, Ohio, US) see page 555, Abstract 15685d, & JP, A, 61257935 (Asahi Glass Co., Ltd) 15 November 1986 *

Also Published As

Publication number Publication date
DE3689773D1 (de) 1994-05-11
EP0361532B1 (fr) 1994-04-06
DE3673166D1 (de) 1990-09-06
EP0361532A3 (en) 1990-06-27
JP2826730B2 (ja) 1998-11-18
DE3601452A1 (de) 1987-07-23
EP0256097A1 (fr) 1988-02-24
JPS63502284A (ja) 1988-09-01
EP0361532A2 (fr) 1990-04-04
ATE55103T1 (de) 1990-08-15
WO1987004426A2 (fr) 1987-07-30
SG30564G (en) 1995-09-18
ATE103888T1 (de) 1994-04-15
EP0256097B1 (fr) 1990-08-01

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