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:
Jul. 20, 1993
Filed:
Jul. 18, 1991
Applicant:
Inventors:
Takae Shinagawa, Osaka, JP;
Yoshihiro Hieda, Osaka, JP;
Megumi Ashida, Osaka, JP;
Yoshinori Yoshida, Osaka, JP;
Yasushi Inoue, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503201 ; 428195 ; 4286 / ; 428900 ; 428913 ; 428914 ; 503214 ; 503217 ;
Abstract
A reversible heat-sensitive recording material, a method of recording and erasing information using the recording material, and a magnetic card using the recording material, the recording material comprising a reversible heat-sensitive recording material comprising a heat-sensitive layer containing a resin matrix and an organic low molecular weight material, said organic low molecular weight material containing at least one higher fatty acid having 16 or more carbon atoms and a sulfide represented by the formula