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. 10, 2000
Filed:
Jun. 13, 1997
Applicant:
Inventors:
Leonard J Schliesman, Wisconsin Rapids, WI (US);
Leland O Tritz, Wisconsin Rapids, WI (US);
Karen K Spreda, Plover, WI (US);
Assignee:
Consolidated Papers, Inc., Wisconsin Rapids, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106482 ; 106491 ;
Abstract
A coating composition for an ink jet recording medium comprises an aqueous suspension of absorptive silica pigment, a polyvinyl alcohol binder, and a cationic fixing agent. The composition is dispersed at pH values in the range of 4.0 to 7.0. The pigment is preferably a mixture of 75% or more silica gel having a pore volume of 0.5-1.5 cc/g, and 10% or more alumina or alumina hydrate. A method for making down the coating composition and applying it to a substrate is also disclosed.