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:
Nov. 27, 1990
Filed:
Apr. 03, 1989
Applicant:
Inventors:
Kenji Hashimoto, Chiba, JP;
Kimihiro Yuasa, Chiba, JP;
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156229 ; 156324 ; 3503 / ; 428-1 ;
Abstract
A process for producing a liquid crystal optical device comprising a ferroelectric liquid-crystalline polymer and two flexible substrates sandwiching the ferroelectric liquid-crystalline polymer between them, which process comprises the following continuously conducted stages of: