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 6821556 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 23, 2004

Filed:

Apr. 30, 2002
Applicant:
Inventors:

Koichi Ishida, Amagasaki, JP;

Kazuo Watanabe, Amagasaki, JP;

Hideki Tsuchida, Amagasaki, JP;

Yutaka Isu, Amagasaki, JP;

Assignee:

OJI Paper Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/20 ; B41M 5/24 ; B41M 3/12 ; G03C 1/73 ; G03C 1/74 ;
U.S. Cl.
CPC ...
B41M 5/20 ; B41M 5/24 ; B41M 3/12 ; G03C 1/73 ; G03C 1/74 ;
Abstract

Disclosed are a heat-sensitive recording material comprising a support, a heat-sensitive recording layer comprising a leuco dye and a developer, and a protective layer comprising a resin in the form of a film, the protective layer being obtained by coating the heat-sensitive recording layer with a protective layer aqueous coating composition comprising at least resin particles having a core/shell structure and then drying the coating, wherein the resin in the form of a film formed of said resin particles having a core/shell structure is present in an amount of not less than 80 mass % of the total solids of the protective layer, and the protective layer having a gloss (based on JIS P 8142) of not less than 80%, a heat-sensitive recording material comprising an interlayer between the heat-sensitive recording layer and the support of the heat-sensitive recording material, as well as processes for preparing these heat-sensitive recording materials.


Find Patent Forward Citations

Ishida, Koichi. (2004). Process for producing heat sensitive recording material (U.S. Patent No. 6821556). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6821556

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