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:
Mar. 28, 1989
Filed:
May. 27, 1987
Applicant:
Inventors:
Yukichi Murata, Sagamihara, JP;
Shuichi Maeda, Saitama, JP;
Assignee:
Mitsubishi Chemical Industries Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
503227 ; 8471 ; 428195 ; 428216 ; 428335 ; 428336 ; 4284735 ; 428480 ; 428913 ; 428914 ;
Abstract
A transfer sheet for thermal transfer recording system having a color material layer containing sublimable dyes on one surface of a base film, and said color material layer is a black color material layer containing sublimable dyes represented by following formulae (I), (II) and (III); ##STR1## in the above formulae, X and Y represent a hydrogen atom or a methyl group; --A-- represents --CO--, --COO--, or --SO.sub.2 --; and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7 represent a hydrogen atom or a substituted or unsubstituted alkyl group.