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:
Mar. 29, 1994
Filed:
Jul. 14, 1992
Applicant:
Inventors:
Dieter Mausezahl, Biel-Benken, CH;
Urs Lehmann, Basel, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
8641 ; 8549 ; 8643 ; 8917 ; 8924 ; 8929 ; 534829 ;
Abstract
Azo dyes of the formula ##STR1## in which R.sub.1 and K are as defined in claim 1, produce on nitrogen-containing or hydroxyl-containing fibre materials dyeings having good fastness properties.
Quick Actions:
Mausezahl, Dieter. (1994). Mixture of disazo dyes containing sulfo-substituted 1,4-naphthalene (U.S. Patent No. 5298036). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5298036
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