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:
Nov. 15, 1988

Filed:

Dec. 27, 1982
Applicant:
Inventor:

Ulrich Zirngibl, Oberwil, CH;

Assignee:

Sandoz Ltd., Base, CH;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
534575 ; 8639 ; 534573 ; 534772 ; 534582 ; 534887 ;
Abstract

Mixtures comprising at least two dyes of formula I ##STR1## where R is unsubstituted linear C.sub.3-7 alkyl, with the proviso that at least two different dyes of formula I are each present to the extent of at least 10 mole %, based on the total molar quantity of dyes present, which are useful for dyeing and printing synthetic and semi-synthetic high molecular weight, hydrophobic organic substrates, particularly for rapid dyeing.


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