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:
Dec. 03, 2002
Filed:
Sep. 06, 2001
Applicant:
Inventors:
David Hill, Thomasville, GA (US);
Christian P. Fabry, Tallahassee, FL (US);
Jorge Bello, Thomasville, GA (US);
Assignee:
Sud-Chemie Inc., Louisville, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/116 ;
U.S. Cl.
CPC ...
B01J 2/116 ;
Abstract
A process for the production of a bleaching clay product which includes the steps of selecting a naturally occurring hormite clay product, cleaning and crushing the clay product to form clay clumps less than 6 in. in diameter, aging the crushed hormite clay and activating the clay with extremely small amounts of acid, in the range of less than 1 percent, by weight. Also, an acceptable bleaching clay product can be produced without the addition of any acid to the aged hormite clay.