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. 04, 2006
Filed:
Sep. 11, 2003
Applicants:
Mitsuru Naruse, Shizuoka-ken, JP;
Mitsunobu Morita, Numazu, JP;
Kunio Hayakawa, Mishima, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermal recording material including a substrate; a thermal coloring layer which is located overlying the substrate and which includes a leuco dye and a developer for coloring the leuco dye upon application of heat; and a protective layer which is located overlying the thermal coloring layer and which includes a binder resin, a crosslinking agent and a filler, wherein the binder resin in the protective layer includes a polyvinyl alcohol having a silanol group, and the crosslinking agent includes a zirconium compound of lactic acid.