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:
May. 12, 1992
Filed:
Aug. 24, 1990
Applicant:
Inventor:
Masahiro Miyauchi, Takasago, JP;
Assignee:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503209 ; 503208 ; 503217 ; 503225 ;
Abstract
The present invention relates to a heat-sensitive recording sheet which comprises a support, an undercoat layer provided on said support and a heat-sensitive color forming layer provided on said undercoat layer, said heat-sensitive color fomring layer containing a colorless or palely colored dye precursor, a developer which reacts with said dye precursor upon application of heat to cause said dye precursor to form color, N-methylolbehenic acid amide, and at least one sensitivity enhancing agent. This heat-sensitive recording sheet is excellent in heat responsiveness, high in sensitivity and superior in mechanical matching properties.