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. 05, 1995
Filed:
Jun. 27, 1991
Applicant:
Inventors:
Koichi Sato, Sagamihara, JP;
Kazuo Yoshinaga, Machida, JP;
Yomishi Toshida, Yokohama, JP;
Takeo Eguchi, Atsugi, JP;
Assignee:
Cannon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
25229901 ; 528 32 ; 528425 ; 428-1 ; 526242 ; 526245 ; 526279 ; 526291 ; 5262921 ; 5262923 ; 526333 ;
Abstract
Provided is a polymeric liquid crystal copolymer compound having a repeating unit represented by the formula ##STR1## wherein A represents a polymeric main chain of a carbon type; and B represents a polyoxyalkylene group or ##STR2## wherein D represents ##STR3## b and c each representing an integer of 0 to 20; R represents an alkyl group, a phenyl group, a siloxy group or a polysiloxy group; R' represents an alkyl group or a phenyl group; and a represents an integer of 0 to 50.