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. 18, 1994
Filed:
Nov. 27, 1992
Applicant:
Inventors:
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430270 ; 430326 ; 522 27 ; 522 31 ; 522 49 ; 522 50 ; 522 59 ; 522 63 ;
Abstract
A photosensitive resin composition comprising (a) a compound having a group unstable to acids, (b) a compound generating an acid when exposed to actinic light, and (c) a benzotriazole derivative is suitable for forming a positive type photosensitive anionic electrodeposition coating material and is usable for producing printed circuit boards.