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:
Sep. 17, 1985
Filed:
Mar. 30, 1984
Applicant:
Inventors:
Yoshihiro Suguro, Mishima, JP;
Masanaka Nagamoto, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
346209 ; 346208 ; 346217 ; 346218 ; 427150 ; 427151 ;
Abstract
A diazo-type thermosensitive recording material is disclosed, which comprises a support material, and at least two layers formed thereon, one of the layers being a diazonium compound layer comprising at least a diazonium compound, and another of the layers being a coupler layer comprising at least a coupler capable of reacting with the diazonium compound to form a dye, and a benzimidazole derivative having a substituent at the 1-position thereof.