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. 15, 1992
Filed:
Sep. 04, 1991
Applicant:
Inventors:
Yasuyoshi Morita, Saitama, JP;
Masaaki Matsuoka, Tokyo, JP;
Assignee:
Oji Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503207 ; 503200 ; 503226 ;
Abstract
In a heat-sensitive recording paper having a heat-sensitive color-forming layer formed on substrate paper, said substrate paper is impregnated with pigment particles in its surface and said pigment particles are made to present between surface fibers or said substrate paper for the purpose of providing high sensitivity without causing any undesired transfer of tailings to the thermal head.