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:
Apr. 07, 1992
Filed:
Oct. 30, 1990
Applicant:
Inventors:
Ludwig Schlafer, Kelkheim, DE;
Hartmut Springer, Konigstein/Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ;
U.S. Cl.
CPC ...
534642 ; 534641 ;
Abstract
Water-soluble disazo compounds, processes for their preparation of their use as dyestuffs Disazo compounds of the general formula (1) defined below, ##STR1## which have fiber-reactive properties and are suitable as useful dyestuffs for dyeing material containing carboxamide groups and/or material containing hydroxy groups, such as fiber material, for example wool and cellulose fiber materials, are described. In formulas (1):
Schlafer, Ludwig. (1992). Water-soluble disazo compounds, having a fiber-reactive group of the (U.S. Patent No. 5102993). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5102993
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