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. 04, 2014
Filed:
Dec. 18, 2009
Michael Barron Sigman, Haddock, GA (US);
Sharad Mathur, Tega Cay, SC (US);
Kenneth W. Folmar, Macon, GA (US);
Timothy M. Young, Dublin, GA (US);
Michael Barron Sigman, Haddock, GA (US);
Sharad Mathur, Tega Cay, SC (US);
Kenneth W. Folmar, Macon, GA (US);
Timothy M. Young, Dublin, GA (US);
BASF Corporation, Florham Park, NJ (US);
Abstract
This invention is directed to a method of stabilizing high solid slurries, like kaolin slurries, the method comprises causticizing the sodium polycrylate or polyacrylic acid used in a dispersant blend to a pH of above 9. The method comprises a homogeneous dispersant blend of sodium carbonate, sodium polyacrylate, sodium silicate, and sodium hydroxide. This invention is also directed to a method of stabilizing high solid slurries, like kaolin slurries, by adding sodium polyacrylate at an acidic pH range or polyacrylic acid solution to the slurries: and adding a blend of soda ash and sodium silicate to the slurries.