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:
Oct. 15, 1985
Filed:
Jul. 21, 1983
Applicant:
Inventors:
Norio Kurisu, Numazu, JP;
Keishi Kubo, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
346208 ; 346200 ; 346201 ; 346207 ; 346209 ; 346212 ; 346216 ; 346225 ;
Abstract
A thermosensitive image transfer medium comprising: (a) an image transfer sheet having an image transfer layer comprising a leuco dye; and (b) an acceptor sheet having an acceptor layer comprising a coloring agent which induces color formation in the leuco dye, and, of the image transfer layer and the acceptor layer, at least the image transfer layer further containing a porous filler having an oil absorption of 50 ml/100 g or more as measured in accordance with the Japanese Industrial Standard K 5101.