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:
Oct. 19, 1993
Filed:
Feb. 13, 1992
Applicant:
Inventors:
Takao Kawamoto, Ichihara, JP;
Hitoshi Yano, Ichihara, JP;
Kazutsune Kikuta, Ichihara, JP;
Shiro Konotsune, Yokosuka, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 96 ; 106 / ;
Abstract
A method for producing circuit boards with a film having improved printing properties, adhesion, flexibility and heat resistance which comprises applying a liquid printing ink composition comprising an admixture of a solvent, a polyamide-acid and a partially imidized polyamide-acid, then heat to effect drying and curing.
Kawamoto, Takao. (1993). Method for producing printed circuit boards (U.S. Patent No. 5254361). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5254361
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile