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. 08, 1989
Filed:
Mar. 17, 1988
Applicant:
Inventors:
Glenn A Thompson, Hopkinton, RI (US);
Anthony J Corso, Coventry, RI (US);
Hans H Steuernagel, Kelkheim, DE;
Assignees:
Other;
Hoechst Celanese Corp., Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
534629 ; 534582 ; 534602 ; 534642 ; 534887 ; 562 49 ;
Abstract
This invention is directed to new water-soluble, monoazo dyes having the following general formula: ##STR1## in which: X and Y are independently selected from the group consisting of: ##STR2## R, R.sub.1, R.sub.2 are independently selected from H, lower alkyl of one to four carbons and sulfonated lower alkyl;