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. 26, 2005
Filed:
Oct. 16, 2003
Applicants:
Tsuyoshi Nakamura, Kanagawa, JP;
Taeko Ikegawa, Kanagawa, JP;
Atsushi Sawano, Kanagawa, JP;
Kousuke Doi, Kanagawa, JP;
Hidekatsu Kohara, Kanagawa, JP;
Inventors:
Tsuyoshi Nakamura, Kanagawa, JP;
Taeko Ikegawa, Kanagawa, JP;
Atsushi Sawano, Kanagawa, JP;
Kousuke Doi, Kanagawa, JP;
Hidekatsu Kohara, Kanagawa, JP;
Assignee:
Tokyo Ohka Kogyo Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F007/038 ;
U.S. Cl.
CPC ...
Abstract
A novel copolymer includes a repeating unit (B) derived from an unsaturated carboxylic anhydride, a repeating unit (C) represented by Formula (II), and a repeating unit (D) represented by Formula (III).