The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 1992
Filed:
Aug. 06, 1990
Shinichi Saito, Kanagawa, JP;
Hiromichi Inoue, Kanagawa, JP;
Kazutoshi Miyazawa, Kanagawa, JP;
Kouji Ohno, Kanagawa, JP;
Makoto Ushioda, Kanagawa, JP;
Chisso Corporation, Ohsaka, JP;
Abstract
A 2-substituted-alkyl ether having an optically active group and useful as a component of ferroelectric liquid crystal compositions and a liquid crystal composition containing the same are provided, which 2-substituted-alkyl ether is expressed by the formula ##STR1## wherein R.sup.1 represents a linear or branched chain alkyl, alkoxy, alkanoyl, alkanoyloxy or alkoxycarbonyl of 1 to 18 C; R.sup.2 represents a linear or branched alkyl of 2 to 15 C; ##STR2## each independently represents ##STR3## wherein Y represents cyano, halogen, methyl or methoxy; X represents --OR.sup.3, ##STR4## F, Cl or Br wherein R.sup.3 represents a linear or branched alkyl group of 1 to 10 C of H; and * indicates asymmetric C.