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:
Apr. 27, 1993
Filed:
Apr. 13, 1992
Applicant:
Inventors:
Kazuya Ono, Tokyo, JP;
Mikio Osa, Saitama, JP;
Masao Kubo, Koshigaya, JP;
Katsuji Kitagawa, Kasukabe, JP;
Assignee:
Somar Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525524 ; 525934 ;
Abstract
A powder coating composition in which epoxy resin particles and curing agent particles are uniformly distributed is prepared by heating a specific powdery blend of (a) at least one crystalline epoxy resin, (b) at least one crystalline curing agent and (c) at least one non-crystalline epoxy resin and/or at least one non-crystalline curing agent at a specific temperature so that the crystalline particles are bonded with each other with the non-crystalline substance serving as a binder.