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. 05, 1996
Filed:
Apr. 14, 1994
Applicant:
Inventors:
Assignee:
Kansai Paint Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ; G03F / ;
U.S. Cl.
CPC ...
430176 ; 4302811 ; 4302861 ; 4302871 ; 522 31 ; 522 32 ; 522 65 ; 522158 ;
Abstract
A photosensitive composition which comprises, as essential components: (A) a polymer having carboxyl group(s) and hydroxyphenyl group(s), or (A') a polymer having carboxyl group(s) and (A') a polymer having hydroxyphenyl group(s), (B) a compound having at least two vinyl ether groups in the molecule, and (C) a compound which generates an acid when irradiated with an actinic ray, and which is useful as a positive type photoresist having high resolution and excellent formability of fine image pattern, a material for printing, etc.; and a process for pattern formation using said composition.