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. 30, 2002
Filed:
Mar. 23, 2000
Applicant:
Inventors:
Chris B. Maxwell, Evans, GA (US);
Zhenzhong Zhang, Athens, GA (US);
Haydn H. Murray, Bloomington, IN (US);
Assignee:
Thiele Kaolin Company, Sandersville, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/42 ;
U.S. Cl.
CPC ...
C09C 1/42 ;
Abstract
Calcined kaolin clay pigments having improved color are manufactured by adding a blue agent to the kaolin clay pigment prior to calcination, and then calcining the pigment and blue agent mixture.