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.

Date of Patent:
Jul. 14, 1981

Filed:

Feb. 11, 1980
Applicant:
Inventors:

Friedrich W Krock, Cologne, DE;

Rutger Neeff, Leverkusen, DE;

Robert Kuth, Cologne, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
8471 ; 8678 ; 8922 ; 106 22 ;
Abstract

Dyestuffs of the formula ##STR1## wherein R represents C.sub.1 -C.sub.5 -alkyl which is optionally substituted by fluorine, chlorine, hydroxyl or methoxy, are outstandingly suitable for printing polymeric materials in accordance with the transfer printing principle in that they produce intensely colored prints on these materials, especially on polyester and polyamide fibre materials.


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