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. 25, 1992
Filed:
Dec. 15, 1989
Applicant:
Inventor:
Norihiko Nakashima, Tochigi, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
503200 ; 427152 ; 503207 ; 503226 ;
Abstract
A thermosensitive recording member comprises (1) a substrate, (2) a foamed dispersion layer, provided on the substrate, in which an aqueous, self-emulsifiable resin having an I/O value of 0.6 to 1.1 has been dispersed, and (3) a thermosensitive coloring layer, provided on the foamed dispersion layer, containing an electron-donating dye and an electron-accepting compound to present a color by reacting with the dye, improved in sensitivity.