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:
Oct. 26, 1999
Filed:
Jul. 18, 1997
Applicant:
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503207 ; 503200 ; 503226 ;
Abstract
A thermosensitive recording medium having a support, a thermosensitive layer provided on the support, and a protecting layer provided on the thermosensitive layer and containing montan wax particles having an average particle diameter AD of not greater than 1.5 .mu.m and such a particle size distribution that at least 99% of the montan wax particles have a particle diameter of not greater than (AD+0.5 .mu.m). The protecting layer is obtained by drying a layer of an aqueous dispersion containing an aqueous emulsion of the montan wax particles.