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:
Mar. 30, 1993
Filed:
Sep. 25, 1991
Applicant:
Inventors:
Eiji Nishimura, Saitama, JP;
Chikara Tominaga, Kanagawa, JP;
Yusaku Masuda, Toyama, JP;
Hiroshi Tasaki, Saitama, JP;
Assignee:
Nippon Mining Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ; C09C / ; C04B / ;
U.S. Cl.
CPC ...
106430 ; 106419 ; 106425 ; 106426 ; 106427 ; 106428 ; 106431 ; 75333 ; 427216 ; 427228 ; 427422 ; 427455 ;
Abstract
Zinc powder, which contains a coloring element, e.g., Ti, Mn, or V, is heated to a temperature of from 350.degree. to 700.degree. C. so as to oxidize the surface of the powder and hence to develop such colors as brown, navy blue, blue, greenish-brown, green, and coffee brown. The colored zinc powder is sprayed onto a steel, aluminum, or ceramic article to produce a colored article. The colored zinc powder is also used as a pigment.