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:
Jan. 07, 1992
Filed:
Dec. 06, 1988
Applicant:
Inventor:
Holger M Buch, Hofheim am 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 ...
534637 ; 534582 ; 534598 ; 534887 ;
Abstract
Disazo compounds conforming to a general formula (1) shown below which have fiber-reactive dye properties and dye hydroxy- and/or carboxamido-containing fiber materials, such as wool and in particular cellulose, in strong fast shades. ##STR1## where R is a hydrogen atom or a sulfo group,