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:
Sep. 09, 1997
Filed:
Feb. 12, 1996
Tsutomu Ogihara, Niigata-ken, JP;
Takaaki Shimizu, Niigata-ken, JP;
Takeshi Kinsho, Niigata-ken, JP;
Tatsushi Kaneko, Niigata-ken, JP;
Kazuyuki Asakura, Niigata-ken, JP;
Mutsuo Nakashima, Niigata-ken, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
Silacyclohexane compounds of the following formula (I) or (II) along with intermediate compounds therefor are described ##STR1## wherein R is an organic residue, one of ##STR2## represents a trans-1-sila-1,4-cyclohexylene group or trans-4-sila-1,4-cyclohexylene group having a substituent of H, F, Cl or CH.sub.3, and the other represents a trans-1,4-cyclohexylene group, or such a trans-1-sila-1,4-cyclohexylene group or trans-4-sila-1,4-cyclohexylene group as defined above, n is 0 or 1, L.sub.1 represents H or F, L.sub.2 represents H, F or Cl, and Z represents CN, F, Cl or an organic residue, and ##STR3## The processes for preparing the compounds (I) and (II) are also described along with liquid crystal compositions comprising the compounds and the liquid crystal devices comprising the compositions.