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:
May. 14, 1991
Filed:
Feb. 02, 1990
Applicant:
Inventors:
Gunther Schwaiger, Frankfurt am Main, DE;
Hartmut Springer, Konigstein/Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
534618 ; 534598 ; 534652 ; 534737 ; 534887 ;
Abstract
Copper complex formazan compounds which have fiber-reactive properties and are very highly suitable for use as dyes for dyeing carboxamido-containing and/or hydroxy-containing material, such as fiber material, for example wool and cellulose fiber materials, have the general formula (1) ##STR1## where A is a benzene or naphthylene ring which may be substituted by substituents customary in dyes, such as halogen, nitro, alkyl and alkoxy,
Schwaiger, Gunther. (1991). Copper complex formazan compounds containing a (U.S. Patent No. 5015731). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5015731
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile