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:
Aug. 20, 1996
Filed:
Mar. 23, 1995
Applicant:
Inventor:
Kyohji Tsutsui, Mishima, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 / ; 106 / ; 503201 ;
Abstract
The reversible thermal coloring composition of the present invention comprises a leuco compound, a salt or complex salt obtained by the reaction of an acidic substance A and a basic substance, and an acidic substance B. The acidic substance A is identical with the acidic substance B.
Tsutsui, Kyohji. (1996). Reversible thermal coloring compositions, and recording media and (U.S. Patent No. 5547500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5547500
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile