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:
Dec. 23, 1997
Filed:
Mar. 27, 1996
Applicant:
Inventors:
Michinori Nishikawa, Yokkaichi, JP;
Tsuyoshi Miyamoto, Yokohama, JP;
Shigeo Kawamura, Yokkaichi, JP;
Kyouyu Yasuda, Tsu, JP;
Yasuaki Mutsuga, Yokkaichi, JP;
Yasuo Matsuki, Yokkaichi, JP;
Assignee:
Japan Synthetic Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; G02F / ;
U.S. Cl.
CPC ...
524317 ; 524359 ; 524375 ; 430 20 ;
Abstract
A liquid crystal aligning agent, which contains (1) at least one polymer selected from a polyamic acid and an imidized polymer therefrom; (2) at least one first solvent selected from the group consisting of N-alkyl-2-pyrrolidones, lactones and 1,3-dialkyl-2-imidazolidinones; (3) at least one second solvent from (a) a phenyl ether solvent of the formula (I): ##STR1## and (b) an ester ether solvent of the formula (II) ##STR2## wherein R.sup.1 -R.sup.6, a, b and c are as defined herein.