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:
Apr. 10, 1984
Filed:
Aug. 19, 1983
Applicant:
Inventors:
Kazuya Nagaoka, Yokohama, JP;
Sigeru Yoshii, Yokohama, JP;
Assignee:
Kawasaki Kasei Chemicals Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
346208 ; 346221 ; 346209 ;
Abstract
A heat-sensitive recording sheet having a color-forming layer comprising a colorless or pale-colored chromogenic dyestuff and a hydroxyphthalic acid diester having a melting point of from about 60.degree. to about 120.degree. C.
Quick Actions:
Nagaoka, Kazuya. (1984). Heat-sensitive recording sheet (U.S. Patent No. 4442176). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4442176
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile