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. 05, 1991
Filed:
Oct. 11, 1989
Applicant:
Inventor:
Atsuo Goto, Tsukuba, JP;
Assignee:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503226 ; 427152 ; 428212 ; 428913 ; 503200 ;
Abstract
There is disclosed a thermosensitive recording material comprising a support, an undercoat layer provided thereon and comprising a first layer formed on the support and containing a pigment; a second layer formed on the first layer and containing an ureaformaldehyde resin, and a thermosensitive recording layer provided on the undercoat layer and containing a dye precursor and a developer capable of developing the color of the dye precursor when heated.