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. 21, 1995
Filed:
Nov. 19, 1993
Applicant:
Inventor:
Robert M Sullivan, Washington, PA (US);
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ; C01G / ; C04B / ;
U.S. Cl.
CPC ...
423593 ; 106479 ;
Abstract
Bismuth vanadate (BiVO.sub.4) is prepared by reaction in nitric acid suspension of a solid bismuth-containing compound and a solid vanadium-containing compound while being subjected to milling at a temperature from 20.degree.-100.degree. C. The bismuth vanadate prepared by this process is a bright, high tinting yellow pigment particularly useful in pigmenting polymers and paints.