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:
Oct. 27, 2020
Filed:
Oct. 25, 2016
Applicants:
Zhenzhong Zhang, Sandersville, GA (US);
Yaping LI, Evans, GA (US);
Inventors:
Zhenzhong Zhang, Sandersville, GA (US);
Yaping Li, Evans, GA (US);
Assignee:
Thiele Kaolin Company, Sandersville, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/00 (2006.01); C09C 1/40 (2006.01); C09C 1/02 (2006.01); C09C 1/36 (2006.01);
U.S. Cl.
CPC ...
C09C 1/0093 (2013.01); C09C 1/0081 (2013.01); C09C 1/0084 (2013.01); C09C 1/021 (2013.01); C09C 1/3653 (2013.01); C09C 1/402 (2013.01); C01P 2004/03 (2013.01); C01P 2004/53 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2004/80 (2013.01); C01P 2006/12 (2013.01); C01P 2006/60 (2013.01);
Abstract
Composite pigments are provided which comprise a mineral pigment (such as kaolin clay, titanium dioxide, talc, mica or a mixture of two or more of these mineral pigments) and calcium carbonate precipitated in-situ on the surfaces of the particles of the mineral pigment.