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. 11, 2012
Filed:
May. 13, 2010
Applicants:
Mie Shimizu, Tokyo, JP;
Koichi Minato, Tokyo, JP;
Masaharu Takahashi, Takaishi, JP;
Inventors:
Assignees:
Toppan Printing Co., Ltd., Tokyo, JP;
DIC Corportion, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/23 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a color composition for a color filter, which includes at least acrylic resin and a coloring agent. The acrylic resin contains a copolymer formed of a first vinyl monomer having a benzyl group and a second vinyl monomer having a carboxyl group, the copolymer having a weight average molecular weight of 3,000 to 11,000, and an acid value of solid matter of the copolymer being confined to 30 to 85.