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:
Jan. 19, 1982
Filed:
Dec. 01, 1980
Applicant:
Inventors:
Yoshitaka Oeda, Nara, JP;
Takeshi Murakami, Osaka, JP;
Hiroo Hayashi, Kyoto, JP;
Teruo Nakamura, Osaka, JP;
Assignee:
Kanzaki Paper Manufacturing Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B41M / ;
U.S. Cl.
CPC ...
428341 ; 346 / ; 3461351 ; 428342 ; 428537 ; 428913 ; 428488 ;
Abstract
In a heat-sensitive record material comprising a base sheet and a color developing layer formed thereon, a pigment having an oil absorption within the range of 80 to 800 ml/100 g is additionally included in the color developing layer.