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:
Jan. 19, 1982
Filed:
Dec. 04, 1979
Keishi Kubo, Yokohama, JP;
Tetsuo Tanaka, Mishima, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
A multi-color thermo-sensitive recording material comprises two thermo-sensitive coloring layers capable of forming different colors respectively at different temperatures, which are formed one over the other on a support member, and a discoloring layer comprising a cross-linking type resin, which is disposed between the two thermo-sensitive coloring layers, and which is cross-linked in the course of the coating of the thermo-sensitive layers, without being dissolved into any of the two thermo-sensitive coloring layers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile