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:
Aug. 07, 1990
Filed:
Nov. 18, 1987
Applicant:
Inventors:
Katuo Sugawara, Hitachi, JP;
Akio Takahashi, Hitachiota, JP;
Masahiro Ono, Hitachi, JP;
Toshikazu Narahara, Ibaraki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
428209 ; 428267 ; 4284435 ; 4285428 ; 428901 ; 524 96 ;
Abstract
A resin composition for printed circuit board and the printed circuit board in which said resin composition is used as substrate, said resin composition comprising one or more cyclic phosphonitrile compounds represented by the general formula [I] and/or [II] and an aromatic maleimide compound and/or an aromatic amine: ##STR1## wherein at least two of R's (R.sub.1 to R.sub.8) are groups represented by ##STR2##
Sugawara, Katuo. (1990). Resin composition for printed circuit board and such board formed by use (U.S. Patent No. 4946734). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4946734
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile