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:
Jun. 07, 1994
Filed:
Feb. 22, 1993
Applicant:
Inventors:
Jordi Berenguer Barra, Barcelona, ES;
Herbert Holliger, Allschwil, CH;
Jose Rocas Sorolla, Barcelona, ES;
Assignee:
Sandoz Ltd., Basel, CH;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
534684 ; 534688 ; 8437 ; 8639 ; 8641 ; 8681 ; 8685 ; 8919 ;
Abstract
Mixtures of iron complexes of metallizable disazo compounds, at least one compound being of the formula ##STR1## and at least one compound being of the formula ##STR2## wherein the substituents have the meaning given in the specification, are useful for dyeing substrates dyeable with anionic dyes, e.g., leather.