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. 21, 2016
Filed:
Apr. 22, 2014
Applicant:
American Talc Company, Casper, WY (US);
Inventor:
James A. Herickhoff, Fort Collins, CO (US);
Assignee:
American Talc Company, Casper, WY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 11/00 (2006.01); C01B 33/22 (2006.01); C09C 1/02 (2006.01);
U.S. Cl.
CPC ...
C01B 33/22 (2013.01); C09C 1/02 (2013.01); C01P 2006/10 (2013.01); C01P 2006/12 (2013.01); C01P 2006/62 (2013.01); C01P 2006/63 (2013.01); C01P 2006/64 (2013.01); C09C 1/028 (2013.01);
Abstract
The present invention may provide talc calciner systems and methods to produce better and more efficient products by engineering a* and b* values for calcinated products perhaps by processing low iron talc in an indirectly heated, multiple zoned calciner which may progressively heat the feed supply at perhaps specifics residence times to produce a desired product.