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:
May. 03, 1994
Filed:
Feb. 25, 1993
Applicant:
Inventors:
Toshihiko Matsushita, Tokyo, JP;
Sadao Morishita, Tokyo, JP;
Assignee:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503226 ; 427152 ; 503200 ; 503207 ; 503208 ;
Abstract
The invention provides a recording material inhibited from alteration which comprises a substrate, an undercoat layer containing a white or light colored inorganic fluorescent pigment having an emission maximum wavelength of 400-700 nm and provided on one side of the substrate, and a recording layer provided on said undercoat layer. The recording layer may be a heat-sensitive layer or a pressure-sensitive layer. A magnetic recording layer comprising ferromagnetic powders may be provided on another side of the substrate.