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:
Sep. 01, 1992
Filed:
Oct. 18, 1990
Applicant:
Inventors:
Katugi Kitagawa, Saitama, JP;
Akira Shinozuka, Chiba, JP;
Assignee:
Somar Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
523429 ; 523428 ; 523434 ; 525485 ; 525486 ; 525488 ; 525524 ; 525 58 ;
Abstract
An epoxy resin powder coating composition comprises 100 parts by weight of bisphenol A mixed epoxy resin having number average molecular weight from 1,700 to 4,500 comprising a bisphenol A epoxy resin (A) having a number average molecular weight from 2,500 to 8,000 and a bisphenol A epoxy resin (B) having a number average molecular weight from 300 to 1,000 (C) a novolak epoxy resin 5 to 20 parts by weight of polyvinyl butyral resin or polyviny formal resin, a hardener, and a filler.
Kitagawa, Katugi. (1992). Power coating of epoxy resin mixture and polyvinyl butyral or formal (U.S. Patent No. 5143950). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5143950
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile