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.

Date of Patent:
Mar. 06, 2012

Filed:

Mar. 28, 2008
Applicants:

Akito Yokozawa, Minami-ashigara, JP;

Kazuaki Oguma, Minami-ashigara, JP;

Inventors:

Akito Yokozawa, Minami-ashigara, JP;

Kazuaki Oguma, Minami-ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/035 (2006.01); B41M 5/382 (2006.01);
U.S. Cl.
CPC ...
Abstract

A heat-sensitive transfer sheet, comprising a base film, at least three heat-sensitive transfer layers containing heat-sensitively transferable dyes and a resin, and a heat-resistant slipping layer, in which the at least three heat-sensitive transfer layers contains two or more dyes different from each other; the heat-sensitive transfer layers are provided on one face of the base film so as not to be superposed on one another; the heat-sensitive transfer layers contains, as the resin, at least one of a polyvinylbutyral resin and a polyvinyl acetacetal resin, each having a polymerization degree of 200 to 1,000; and at least one of the heat-sensitive transfer layers contains the polyvinylbutyral resin as described above and the polyvinyl acetacetal resin described above, and has a ratio of the polyvinylbutyral to the polyvinyl acetacetal different from those in the other heat-sensitive transfer layers.


Find Patent Forward Citations

Loading…