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:
Apr. 25, 1995
Filed:
Mar. 17, 1994
Applicant:
Inventors:
Shigeyuki Harada, Mishima, JP;
Keishi Taniguchi, Susono, JP;
Yoichi Iwaki, Owari, JP;
Yutaka Sakai, Aichi, JP;
Shigekazu Teranishi, Nagoya, JP;
Susumu Kawakami, Aichi, JP;
Hironori Hata, Aichi, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
503227 ; 428195 ; 428447 ; 4284884 ; 428535 ; 428913 ; 428914 ;
Abstract
A thermal image transfer recording medium is composed of a support, a thermal image transfer ink layer formed thereon, and a heat resistant protective layer which is composed of a cellulose-modified polymer with a backbone polymer thereof being cellulose and/or a cellulose derivative and a branch polymer thereof being a copolymer of a reactive silicone oil and a vinyl monomer, and which is formed on the back side of the support opposite to the thermal image transfer ink layer with respect to the support.