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:
Dec. 18, 1979
Filed:
Jun. 22, 1978
Applicant:
Inventor:
Visvanathan Ramanathan, Basel, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
260158 ; 260152 ; 260155 ; 260156 ; 260157 ; 260162 ; 260163 ; 562437 ;
Abstract
Dyestuffs of the formula ##STR1## wherein D is a heterocyclic diazo component,
Ramanathan, Visvanathan. (1979). Azo dyestuffs having a carboxyl group and a substituted sulfonylimino (U.S. Patent No. 4179435). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4179435
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile