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:
Oct. 26, 1999
Filed:
Jul. 23, 1998
Applicant:
Inventors:
Takakiyo Mine, Tsukuba, JP;
Masahiro Johno, Tsukuba, JP;
Tomoyuki Yui, Tsukuba, JP;
Yasue Yoshioka, Tsukuba, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
25229965 ; 25229964 ; 560 65 ; 560 83 ; 570129 ; 570130 ;
Abstract
A ferrielectric liquid crystal compound of the following general formula (1), ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms; X is a hydrogen atom or a fluorine atom; m and n are the same or different from each other, each being an integer of 1 to 3; and C* is an asymmetric carbon atom,