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:
Jan. 23, 2007
Filed:
Oct. 31, 2003
Applicants:
Kazuhiro Machiguchi, Osaka, JP;
Masanori Shinada, Osaka, JP;
Yuuji Ueda, Osaka, JP;
Hiroki Endo, Tokyo, JP;
Taichi Natori, Tokyo, JP;
Inventors:
Kazuhiro Machiguchi, Osaka, JP;
Masanori Shinada, Osaka, JP;
Yuuji Ueda, Osaka, JP;
Hiroki Endo, Tokyo, JP;
Taichi Natori, Tokyo, JP;
Assignees:
Sumitomo Chemical Company, Limited, Osaka, JP;
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 1/73 (2006.01); G03F 7/039 (2006.01); G03F 7/20 (2006.01); G03F 7/30 (2006.01); G03F 7/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A positive type colored photosensitive resin composition containing an alkali-soluble copolymer resin which comprises repeating units derived from styrene and repeating units derived from hydroxystyrene, a ratio (molar ratio) of the latter repeating units to the former repeating units is from 1:0.7 to 1:20 and has a polystyrene-converted weight average molecular weight of 6,000 to 15,000.