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:
Jul. 05, 1994
Filed:
Dec. 17, 1992
Takayuki Higashii, Takatsuki, JP;
Shoji Toda, Ibaraki, JP;
Masayoshi Minai, Moriyama, JP;
Chizu Sekine, Tsukuba, JP;
Takeshi Tani, Tsukuba, JP;
Koichi Fujisawa, Tsukuba, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
An optically active pyrimidine compound represented by general formula (I): ##STR1## wherein R represents a fluoroalkyl group having 1 or 2 carbon atom(s), R.sup.1 represents an alkyl group having 1-15 carbon atoms or an alkoxyalkyl group having 2-15 carbon atoms, both the alkyl and alkoxyalkyl groups being optionally substituted by halogen atom, Y represents --O--, --COO-- or --OCO--, A represents: ##STR2## wherein X represents a hydrogen atom or a halogen atom, m and s each represent 0 or 1, and the C* means an asymmetric carbon atom; a process for producing said pyrimidine compound; and a liquid crystal composition containing said pyrimidine compound.