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.

Date of Patent:
Dec. 04, 2001

Filed:

May. 11, 1999
Applicant:
Inventors:

Wolfgang Wagner, Flensburg, DE;

Jutta Berndt, Jarplund, DE;

Franz Wirnitzer, Flensburg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/40 ;
U.S. Cl.
CPC ...
B41M 5/40 ;
Abstract

A heat-sensitive recording sheet has A heat-sensitive recording layer containing color formers and color developers formed on one side of a substrate, a backcoat is formed on the side opposite to the recording layer, wherein this backcoat is formed of A mixture containing starch, an acrylate copolymer which does not comprise styrene or vinyl acetate components and has a film-forming temperature of less than 5° C., and an alkaline catalyst.


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