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:
Oct. 04, 1994
Filed:
Apr. 26, 1993
Applicant:
Inventors:
Satish K Wason, Bel Air, MD (US);
Michael C Withiam, Elkton, MD (US);
Assignee:
J. M. Huber Corporation, Locust, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106416 ; 106461 ; 106466 ; 106469 ; 106486 ; 428403 ;
Abstract
A composite pigment product useful as a paper filler pigment comprises a mineral nucleus coated with a substantially continuous substantially uniform coating of an active paper pigment. The active paper pigment coating is preferably formed in situ under alkaline conditions.