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:
Nov. 06, 2001
Filed:
May. 20, 1999
Applicant:
Inventors:
Bomi M. Bilimoria, Macon, GA (US);
John A. Manasso, Roswell, GA (US);
Mark S. Willis, Macon, GA (US);
Assignee:
Imerys Kaolin, Inc., Roswell, GA (US);
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/28 ; C09C 1/42 ; C09C 3/00 ;
U.S. Cl.
CPC ...
C09C 1/28 ; C09C 1/42 ; C09C 3/00 ;
Abstract
High brightness kaolin pigments and methods of making high brightness kaolin pigments are provided. Both delaminated and nondelaminated clays are provided having typical brightness of 87 or higher. The pigments have high brightness and good opacity, providing an optimum pigment for paper coating and paper filler. Also provided are blended high brightness kaolins having increased opacity properties.