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:
Nov. 09, 1999
Filed:
Dec. 18, 1997
Applicant:
Inventors:
Hiromi Furuya, Shizuoka-ken, JP;
Tadafumi Tatewaki, Shizuoka-ken, JP;
Fumio Kawamura, Shizuoka-ken, JP;
Kyoji Tsutsui, Shizuoka-ken, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
430 19 ; 430945 ; 430964 ; 503201 ; 503214 ;
Abstract
A reversible thermosensitive recording material which includes a recording layer including a resin, an electron donating coloring agent and an electron accepting coloring developer and in which an image is reversibly formed and erased by appropriately heating and cooling the recording layer, wherein the resin includes a resin crosslinked with the isocyanate compound. The reversible thermosensitive recording material has good image recording/erasing ability, and good durability.