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:
Aug. 26, 1986
Filed:
Sep. 30, 1985
Applicant:
Inventors:
Fukuji Ikeda, Takefu, JP;
Toshiaki Takahashi, Sabae, JP;
Assignee:
Nikka Chemical Industry Company Ltd., Fukui, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
346216 ; 346217 ; 346225 ; 427150 ;
Abstract
A heat-sensitive recording material comprising a support and, formed thereon, a heat-sensitive color-forming layer comprising a colorless or light-colored leuco dye as a color former and a phenolic compound as a color developer, wherein the color developer comprises 3,3'-diallyl-4,4'-dihydroxydiphenylsulfone as an effective ingredient.