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. 24, 2003
Filed:
Aug. 19, 2002
Applicant:
Inventors:
Paul B. Cao, Ossining, NY (US);
Michael Venturini, Yorktown Hts., NY (US);
Assignee:
Engelhard Corporation, , NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 1/400 ;
U.S. Cl.
CPC ...
C04B 1/400 ;
Abstract
A bismuth oxychloride effect pigment has a zinc oxide or microfine titanium dioxide particulate at about the surface of the crystals of the bismuth oxychloride. The pigment is prepared by, for instance, growing the bismuth oxychloride crystals, and adding the particulate before the hydrolysis is complete.