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.:

US 8236728 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 07, 2012

Filed:

Aug. 28, 2008
Applicant:

Akito Yokozawa, Minami-ashigara, JP;

Inventor:

Akito Yokozawa, Minami-ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/035 (2006.01); B41M 5/385 (2006.01);
U.S. Cl.
CPC ...
Abstract

A heat-sensitive transfer sheet containing a base film, a dye layer formed over one surface of the base film and containing a heat-transferable dye and a resin, and a heat-resistant lubricating layer formed over the other surface of the base film and containing a lubricant and a resin, wherein the heat-resistant lubricating layer contains a specific phosphate ester as the lubricant, and the maximum value of the following characteristic X-ray intensities is at least 5 times the minimum value thereof: characteristic X-ray intensities obtained by radiating an electron beam which is accelerated to 20 kV and has a beam diameter of 1 μm or less onto plural positions of the heat-sensitive transfer sheet from the heat-resistant lubricating layer side of this sheet, and measuring the resultant characteristic X-rays originating from the K-line of the phosphorus element in the heat-resistant lubricating layer by an energy dispersive X-ray spectrometer.


Find Patent Forward Citations

Yokozawa, Akito. (2012). Heat-sensitive transfer sheet (U.S. Patent No. 8236728). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8236728

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