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. 16, 1991
Filed:
Jul. 11, 1989
Applicant:
Inventors:
Assignee:
Hitachi Maxell Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; C09D / ;
U.S. Cl.
CPC ...
4284231 ; 106 19 ; 106 31 ; 428195 ; 428480 ; 428484 ; 4284881 ; 4284884 ; 428522 ; 428913 ; 428914 ;
Abstract
An ink composition for thermal transfer printing, which composition comprises a coloring agent and a mixture of an aromatic ester-containing polyurethane and at least one thermoplastic material selected from the group consisting of thermoplastic resins and waxes, has a good transferring property and improved anti-blocking and forms printing having good durability.