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:
Apr. 10, 2001
Filed:
Sep. 24, 1999
Applicant:
Inventors:
Nicholas C. Beck, Manningtree, GB;
Gary W. Morrison, London, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/308 ; B32B 2/708 ; B32B 2/730 ; B32B 2/736 ; B32B 2/740 ;
U.S. Cl.
CPC ...
B32B 2/308 ; B32B 2/708 ; B32B 2/730 ; B32B 2/736 ; B32B 2/740 ;
Abstract
An inkable sheet comprises a substrate having on at least one surface thereof an ink absorbent layer comprising a cellulose material and an acid functional resin which is insoluble in water of neutral or acidic pH at room temperature. The acid functional resin may comprise an acid functional polyurethane resin or an acid functional acrylic resin such as a polyacrylate/acrylic acid copolymer. The ink absorbent layer preferably further comprises a weak organic acid or salt thereof and/or at least one crosslinking agent.