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:
Jul. 18, 2006
Filed:
Mar. 01, 2004
Applicants:
Takeshi Kajikawa, Sunto-gun, JP;
Toshiaki Ikeda, Sunto-gun, JP;
Mitsuru Naruse, Tagata-gun, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermosensitive recording material is provided having improved resistance to heat and chemicals, and having improved sensitivity to image formation while minimizing background coloring, wherein the thermosensitive recording material has a substrate, on which is a thermosensitive recording layer containing a leuco dye, a developer of formula (I) and at least two sensitizers, the two sensitizers being 4-hydroxy-4'-allyloxy diphenylsulfone and 4,4′-diallyloxy diphenylsulfone.