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1. (WO1999005097) LIQUID CRYSTAL PROPENE OR PROPENYL NITRILE DERIVATIVES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1999/005097    International Application No.:    PCT/EP1998/004366
Publication Date: 04.02.1999 International Filing Date: 14.07.1998
Chapter 2 Demand Filed:    27.01.1999    
IPC:
C07D 213/57 (2006.01), C07D 239/26 (2006.01), C07D 319/06 (2006.01), C09K 19/12 (2006.01), C09K 19/20 (2006.01), C09K 19/30 (2006.01), C09K 19/34 (2006.01), C09K 19/42 (2006.01), C09K 19/44 (2006.01)
Applicants: MERCK PATENT GMBH [DE/DE]; Frankfurter Strasse 250, D-64293 Darmstadt (DE) (For All Designated States Except US).
REIFFENRATH, Volker [DE/DE]; (DE) (For US Only).
HIRSCHMANN, Harald [DE/DE]; (DE) (For US Only)
Inventors: REIFFENRATH, Volker; (DE).
HIRSCHMANN, Harald; (DE)
Common
Representative:
MERCK PATENT GMBH; D-64271 Darmstadt (DE)
Priority Data:
197 31 906.8 24.07.1997 DE
197 42 898.3 29.09.1997 DE
Title (DE) FLÜSSIGKRISTALLINE PROPEN- ODER PROPYNYLNITRILDERIVATE
(EN) LIQUID CRYSTAL PROPENE OR PROPENYL NITRILE DERIVATIVES
(FR) DERIVES DE NITRILE DE PROPENE OU DE PROPENYLE A CRISTAUX LIQUIDES
Abstract: front page image
(DE)Acetylenderivate der Formel (I), worin R, A?1¿, A?2¿, Z?1¿, Z?2¿, Z?3¿, L?1¿, L?2¿, L?3¿, Y, m und n die in Anspruch 1 angegebene Bedeutung haben, eignen sich als Komponenten flüssigkristalliner Medien.
(EN)The invention relates to acetylene derivatives of formula (I), wherein R, A?1¿, A?2¿, Z?1¿, Z?2¿, Z?3¿, L?1¿, L?2¿, L?3¿, Y, m and n have the meanings given in Claim 1. The inventive acetylene derivatives are suitable for use as constituents of liquid crystal media.
(FR)L'invention concerne des dérivés d'acétylène de la formule (I) dans laquelle R, A?1¿, A?2¿, Z?1¿, Z?2¿, Z?3¿, L?1¿, L?2¿, L?3¿, Y, m et n ont la signification mentionnée dans la description, qui s'utilisent comme constituants de milieux à cristaux liquides.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DK, EE, ES, FI, GB, GE, GH, GM, HR, HU, ID, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, US, UZ, VN, YU, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, SD, SZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG).
Publication Language: German (DE)
Filing Language: German (DE)