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. 22, 1996
Filed:
Aug. 18, 1995
Applicant:
Inventors:
Hitoshi Koshida, Hyougo-ken, JP;
Isamu Ghoda, Hyougo-ken, JP;
Tsukasa Ohyama, Fukuoka-ken, JP;
Keisuke Takuma, Fukuoka-ken, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
427151 ; 8639 ; 106 145 ; 106 / ; 106 / ; 106 / ; 427144 ; 427146 ; 427148 ; 427153 ; 462 67 ; 534788 ; 534831 ; 534832 ; 534847 ; 534852 ;
Abstract
A blue dyestuff represented by the formula (2) ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 is independently a hydrogen atom, halogen atom, nitro group, hydroxy group, alkyl group which may have a substituent, alkoxy group, alkylsulfonylamino group or alkylcarbonylamino group, and each of R.sub.4 and R.sub.5 is independently an alkyl group which may have a substituent, and a heat-sensitive transfer sheet containing the above-mentioned dyestuff.