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:
Jun. 18, 1985
Filed:
Feb. 17, 1983
Applicant:
Inventors:
Mitsuru Kondo, Hyogo, JP;
Hiroshi Iwasaki, Kawanishi, JP;
Nobuo Kanda, Osaka, JP;
Masayuki Omatsu, Motomachi, JP;
Haruo Omura, Motomachi, JP;
Assignee:
Kanzaki Paper Manufacturing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; S41M / ;
U.S. Cl.
CPC ...
346221 ; 346217 ; 427151 ;
Abstract
A new fluoran derivative useful as a colorless chromogenic material has the general formula: ##STR1## wherein R.sub.1, R.sub.2, X, Y and Z have the same meaning as defined hereinbefore.
Quick Actions:
Kondo, Mitsuru. (1985). Fluoran derivatives as new compounds, process for preparing the same and (U.S. Patent No. 4524373). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4524373
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile