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. 17, 1993
Filed:
Dec. 04, 1990
Atsushi Nakazawa, Tokyo, JP;
Yoshitaka Tomino, Tokyo, JP;
Shuji Saito, Tokyo, JP;
Hideaki Shinohara, Tokyo, JP;
Oji Paper Co., Ltd., Tokyo, JP;
Abstract
A heat-sensitive recording material having an improved color image-forming property and an enhanced gloss and resistance to water, oily substances and plasticizers, is provided with a heat-sensitive color-forming layer formed on a substrate surface and comprising a substantially colorless dye precursor, a color-developing agent and a binder; an intermediate layer formed on the color-forming layer and comprising a hydrophilic polymeric material and a pigment; a glossy surface layer formed on the intermediate layer and comprising a hydrophobic polymeric material having a glass transition point of 60.degree. C. or more, and a lubricant; and optionally, an additional intermediate layer formed between the color-forming layer and the intermediate layer and comprising at least one member selected from hydrophilic polymeric materials and hydrophobic polymeric materials.