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:
Jun. 11, 2002
Filed:
Mar. 10, 2000
Applicant:
Inventors:
Gary M. Freeman, Macon, GA (US);
Sung-Tsuen Liu, Laguna Niguel, CA (US);
Assignee:
J.M. Huber Corporation, Edison, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/42 ; C09C 1/40 ; C09C 1/00 ;
U.S. Cl.
CPC ...
C09C 1/42 ; C09C 1/40 ; C09C 1/00 ;
Abstract
A coating composition for paper or paperboard products comprising a structured pigment. The structured pigment includes a plurality of chemically treated mineral particles. The mineral particles have a Malvern median particle size of about 0.3 microns to about 3.5 microns. The Malvern median particle size of the treated particles is less than 20% greater than the Malvern median particle size of the mineral particles prior to treatment.