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:
Mar. 31, 1998
Filed:
Apr. 26, 1996
Applicant:
Inventors:
Toshiaki Minami, Tokyo, JP;
Tomoaki Nagai, Tokyo, JP;
Kaoru Hamada, Tokyo, JP;
Akio Sekine, Tokyo, JP;
Assignee:
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503209 ; 427150 ; 503216 ; 503225 ;
Abstract
Discloses a thermal sensitive recording sheet which has features of high sensitivity, excellent heat resistance, excellent water proof and excellent durability to oil. The thermal sensitive color developing layer is mainly composed of a basic achromatic dye including the compound indicated by general formula (I) or (II), an organic color developer and a stabilizer indicated by general formula (III). And the said layer is arranged on a substrate and forms the thermal sensitive recording sheet. ##STR1##