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:
Feb. 19, 2002
Filed:
Sep. 29, 1998
Applicant:
Inventors:
John Joseph Rabasco, Macungie, PA (US);
Eric Howard Klingenberg, Emmaus, PA (US);
John Richard Boylan, Bethlehem, PA (US);
Assignee:
Celanese International Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/730 ;
U.S. Cl.
CPC ...
B32B 2/730 ;
Abstract
Improved ink jet paper coatings which impart high optical density images and excellent water resistance to paper and a process for making an improved ink jet recording paper. The coating formulation comprises an inorganic pigment, preferably silica, and an amine modified poly(vinyl alcohol) composition in which the poly(vinyl alcohol) is graft polymerized with an ethylenically unsaturated monomers containing primary, secondary, tertiary, or quaternary amine functionality.