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:
Mar. 26, 1985
Filed:
Mar. 09, 1984
Applicant:
Inventors:
Naomasa Koike, Tokyo, JP;
Shigetoshi Hiraishi, Tokyo, JP;
Assignee:
Mitsubishi Paper Mills, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
346216 ; 346208 ; 346209 ; 346225 ; 427150 ;
Abstract
A thermosensitive recording sheet containing in its thermosensitive layer dimethyl 4-hydroxy-phthalate as color developer and further containing if desired dimethyl terephthalate and/or a 2-tert-butylphenol derivative is excellent in color development sensitivity characteristic and recorded image stability.