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. 29, 2010
Filed:
Dec. 29, 2003
David Skuse, Truro, GB;
Mark Mortimer, Beverley, GB;
Deb Thrale, Par, GB;
Rajan R. Iyer, Watkinsville, GA (US);
Daniel J. Panfil, Milledgeville, GA (US);
Christopher Nutbeem, St. Austell, GB;
David Skuse, Truro, GB;
Mark Mortimer, Beverley, GB;
Deb Thrale, Par, GB;
Rajan R. Iyer, Watkinsville, GA (US);
Daniel J. Panfil, Milledgeville, GA (US);
Christopher Nutbeem, St. Austell, GB;
Imerys Pigments, Inc., Roswell, GA (US);
Abstract
The present disclosure relates to a coating composition for use in producing a coating on paper and other substrates comprising an aqueous suspension of a particulate pigment together with a binder, wherein the particulate pigment comprises a mixture of: a first pigment component comprising particulate ground calcium carbonate (GCC) having a particle size distribution (psd) steepness factor ranging from about 30 to about 45; and a second pigment component comprising particulate precipitated calcium carbonate (PCC) having a psd steepness factor ranging from about 55 to about 75. The particulate pigment may optionally further include a particulate kaolin clay.