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:
Apr. 17, 2001
Filed:
Jul. 15, 1999
Applicant:
Inventors:
Hwan Jae Choi, Taejeon, KR;
Joo-Young Kim, Taejeon, KR;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/300 ; G02F 1/1337 ; C09K 1/900 ;
U.S. Cl.
CPC ...
C08G 7/300 ; G02F 1/1337 ; C09K 1/900 ;
Abstract
The present invention relates to a cinnamatic photo-polymerization type homopolymeric or copolymeric alignment material, in which polymaleimide is singly used as the main chain, or is combined with styrene, hydroxystyrene or acrylonitrile to form a copolymer so as to be used as the main chain, or polyimide is used as the main chain.