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:
Aug. 06, 1991
Filed:
Oct. 17, 1986
Applicant:
Inventors:
Helmut A Moser, Oberwil, CH;
Roland Wald, Huningue, FR;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D21H / ;
U.S. Cl.
CPC ...
534608 ; 534581 ; 534600 ; 534602 ; 534605 ; 534606 ; 534613 ; 546257 ;
Abstract
(i) Metal-free compounds of the formula ##STR1## These compounds are useful as dyes for paper and textiles.
Quick Actions:
Moser, Helmut. (1991). Metal-free sulfo group-free basis disazo and trisazo compounds (U.S. Patent No. 5037964). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5037964
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile