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. 28, 1986
Filed:
Apr. 12, 1983
Applicant:
Inventors:
Hiroyo Oshima, Tokyo, JP;
Isao Kano, Tokyo, JP;
Yutaka Kojima, Tokyo, JP;
Yoshihiko Shimura, Tokyo, JP;
Ken Ishiguro, Tokyo, JP;
Koichi Nagai, Tokyo, JP;
Assignee:
Jujo Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428480 ; 8471 ; 428481 ; 428500 ; 428511 ; 428524 ; 428530 ; 428913 ; 428914 ;
Abstract
A recording sheet for thermal dye-transfer type recording method, having a coating layer which is placed on a substrate, is contacted with a coloring material layer containing sublimable dye and on which the dye is transferred by heating. The coating layer includes as a pigment precipitated calcium carbonate of at least 25,000 cm.sup.2 /g specific-surface-area and as a binder saturated polyester or a mixture of saturated polyester with polyvinyl pyrrolidone. The sheet provides a clear record with superior color density.