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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 5702850 B1

PDFFull Text
Date of Patent:
Dec. 30, 1997

Filed:

Sep. 13, 1995

Thermosensitive reversible color-developing and disappearing agent

Applicant:
Inventors:

Makoto Nishioka, Ichikawa, JP;

Kazuo Yamane, Tokyo, JP;

Masaki Nishimura, Tokyo, JP;

Yoshiyuki Takahashi, Kawasaki, JP;

Assignee:

New Oji Paper Co., Ltd., Tokyo, JP;

Attorney:

Armstrong, Westerman, Hattori, McLeland & Naughton

Primary Examiner:

John A McPherson

Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
430 19 ; 503201 ; 503216 ; 430964 ; 558 61 ; 558234 ; 558235 ; 558241 ; 560 13 ; 560133 ; 564 23 ; 564 42 ;
Abstract

A thermosensitive reversible color-developing and disappearing agent includes an aromatic compound having at least one group of the formula, --SO.sub.2 NHCXNH--, wherein X.dbd.O or S atom, and at least one straight chain alkyl group with 11 or more carbon atoms, and is reactive with a dye precursor in a thermosensitive recording material to thereby record colored images on the recording material upon heating imagewise, and make the colored images disappear upon heating to a temperature lower than the colored image-forming temperature.

Find Patent Forward Citations

Nishioka, Makoto. (1997). Thermosensitive reversible color-developing and disappearing agent (U.S. Patent No. 5702850). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5702850

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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