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:
May. 02, 1995
Filed:
Apr. 12, 1994
Applicant:
Inventors:
Mitchell J Willis, Macon, GA (US);
Patrick D Canavan, Brooklyn, NY (US);
Fred M Allen, Windsor, NJ (US);
Jordan K Lampert, Metuchen, NJ (US);
Assignee:
Engelhard Corporation, Iselin, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ; C09C / ;
U.S. Cl.
CPC ...
106486 ; 106416 ; 1621818 ; 428144 ; 428153 ; 4285375 ; 501144 ; 501145 ; 501146 ;
Abstract
Paper coating pigments comprising mechanically delaminated kaolin particles. The pigments possess the opacification, smoothness and printability advantages of conventional delaminated kaolin pigments but have desirably low viscosity and gloss not characteristic of conventional delaminated kaolin pigments. Crude kaolins of specified physical characteristics for production of these pigments by controlled delamination.