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:
Jun. 07, 1994
Filed:
Oct. 14, 1992
Applicant:
Inventors:
Kunimitsu Matsuzaki, Yono, JP;
Seitaro Iwamoto, Soka, JP;
Takeshi Watanabe, Soka, JP;
Kazuya Ono, Tokyo, JP;
Katsuji Kitagawa, Kasukabe, JP;
Assignee:
Somar Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ; C09D / ; C09D / ; C09D / ;
U.S. Cl.
CPC ...
523221 ; 525115 ; 525119 ; 525934 ;
Abstract
A powder coating composition is disclosed which includes a particulate material containing an epoxy resin and a curing agent, and fine powder of a charge controlling agent such as an acrylic resin, silica or a mixture thereof. The charge controlling agent is deposited on surfaces of the particles of the particulate material.