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. 25, 2001
Filed:
Jun. 02, 2000
Applicant:
Inventors:
Kiyoshi Sawahata, Funabashi, JP;
Hideyuki Nawata, Funabashi, JP;
Takayasu Nihira, Funabashi, JP;
Yoshikazu Ohtsuka, Funabashi, JP;
Yasuyuki Nakajima, Funabashi, JP;
Assignee:
Nissan Chemical Industries, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/310 ; G02F 1/1337 ;
U.S. Cl.
CPC ...
C08G 7/310 ; G02F 1/1337 ;
Abstract
The present invention relates to a treating agent for liquid crystal alignment, which comprises a polyamic acid compound having a reduced viscosity of from 0.05 to 5.0 dl/g (in N-methylpyrrolidone at a temperature of 30° C. at a concentration of 0.5 g/dl) and containing repeating units represented by the general formula [I]: