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. 02, 1990
Filed:
Nov. 08, 1988
Applicant:
Inventors:
Masaki Satoh, Yokohama, JP;
Shigemitsu Kamiya, Kawasaki, JP;
Nobuo Fujie, Kawasaki, JP;
Shuji Tabuchi, Kuwana, JP;
Assignees:
Nippon Zeon Co., Ltd., Tokyo, JP;
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
437228 ; 437229 ; 437231 ; 156636 ;
Abstract
A protective material for electronic parts comprises monoalkylated phenol.formaldehyde novolak resin having 6 to 12 carbon atoms in the alkyl group, and a process for the production of electronic parts, which comprises the following steps A to C:
Satoh, Masaki. (1990). Process for production of electronic devices utilizing novolak resin as (U.S. Patent No. 4891334). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4891334
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile