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:
Aug. 30, 2005
Filed:
Dec. 12, 2000
Mark Victor Watson, Oxford, GB;
Gary Paul Westwood, Chester, GB;
Mark Victor Watson, Oxford, GB;
Gary Paul Westwood, Chester, GB;
Arjo Wiggins Fine Papers Limited, Basingstoke, GB;
Abstract
Ink jet printing paper carries a pigment coating comprising (a) a major proportion of a finely divided precipitated calcium carbonate (PCC) having a surface area of at least 60 mg, preferably 80 to 90 mg(b) a minor proportion of a gel-type silica and (c) binder. The silica is preferably present in an amount of 15 to 30% by weight of the total dry weight of silica and PCC. The pigment coating is preferably made up as an aqueous composition having a solids content of 25 to 35% and a Brookfield viscosity of 150 to 2000 mPa s and applied by a blade coating technique.