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:
Dec. 02, 1980
Filed:
Oct. 12, 1977
Applicant:
Inventors:
Takeshi Murakami, Osaka, JP;
Yoshitaka Oeda, Nara, JP;
Hiroo Hayashi, Kyoto, JP;
Teruo Nakamura, Mabikino, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41L / ; B32B / ;
U.S. Cl.
CPC ...
282 275 ; 428207 ; 428211 ; 428325 ; 428913 ;
Abstract
In a heat-sensitive record material comprising a base sheet having a color developing layer which includes finely divided particles of chromogenic material and finely divided particles of acceptor, a heat fusible material having a relatively low melting point is included in said finely divided particles of chromogenic material and/or said finely divided particles of acceptor.