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. 10, 1991
Filed:
Aug. 31, 1990
Applicant:
Inventors:
Hiroshi Matsuda, Isehara, JP;
Hisaaki Kawade, Atsugi, JP;
Yuko Morikawa, Kawasaki, JP;
Toshiharu Uchimi, Atsugi, JP;
Ken Eguchi, Yokohama, JP;
Haruki Kawada, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ; G02F / ;
U.S. Cl.
CPC ...
359 75 ; 428-1 ; 4284735 ; 359100 ; 359900 ;
Abstract
The present invention provides a liquid crystal material disposed between said pair of substrates, wherein at least one of said substrates is provided with a film comprising a polyimide compound having in its polyimide main-chain structural unit at least one alkyl side chain containing an alkyl chain moiety having a length of 2 to 10 carbon atoms.
Matsuda, Hiroshi. (1991). Liquid crystal device (U.S. Patent No. 5046822). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5046822
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile