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:
Mar. 02, 1999
Filed:
May. 24, 1996
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
430191 ; 430165 ; 430192 ; 430193 ;
Abstract
A photosenstive resin composition for color filter having excellent resolution, heat resistance and transparency, etc., characterized in that it contains a novolak resin having the recurring units such as those represented by the general formula (I): ##STR1## �wherein R.sub.1 to R.sub.5 represent hydrogen, alkyl, etc., and R.sub.6 and R.sub.7 represent hydrogen, alkyl, etc., provided that ##STR2## is coordinated at the o- or p-position in relation to the --OH group! and having a molecular weight of about 1,000-50,000, a solvent and a dye or pigment.