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:
May. 13, 1997
Filed:
Aug. 11, 1995
Applicant:
Inventors:
Mitsuru Yamamoto, Shizouka, JP;
Akihiko Takeda, Shizouka, JP;
Akihiro Shimomura, Shizouka, JP;
Yasutomo Goto, Shizouka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430201 ; 430200 ; 4302701 ; 430964 ; 503227 ;
Abstract
Disclosed is a heat sensitive ink sheet having a support sheet and a heat sensitive ink layer having a thickness of 0.2 to 1.0 .mu.m which is formed of a heat sensitive ink material comprising 30 to 70 weight % of colored pigment, 25 to 65 weight % of amorphous organic polymer having a softening point of 40.degree. to 150.degree. C. and 0.1 to 20 weight % of nitrogen-containing compound. Further, thermal transfer recording methods by area gradation using the heat sensitive ink sheet and an image receiving sheet are also disclosed.