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:
Jul. 30, 2013
Filed:
Apr. 24, 2006
Applicants:
Motohiro Yamahara, Nara, JP;
Takashi Kato, Tokyo, JP;
Inventors:
Motohiro Yamahara, Nara, JP;
Takashi Kato, Tokyo, JP;
Assignees:
Sumitomo Chemical Company, Limited, Tokyo, JP;
The University of Tokyo, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); C09K 19/06 (2006.01); C09K 19/34 (2006.01); C09K 19/52 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
Abstract
A birefringent film which comprises a compound having a proton-accepting group and a compound having a proton-donating group; and a birefringent film which comprises a compound having a proton-accepting group and a proton-donating group. The proton-accepting group and proton-donating group are combined with each other through intermolecular hydrogen bonding.