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:
Jun. 20, 1995
Filed:
Aug. 17, 1994
Applicant:
Inventors:
Ulrich Buhler, Alzenau, DE;
Ralf Zerrer, Alzenau, DE;
Assignee:
Hoechst Mitsubishi Kasei Co., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
8639 ; 8532 ; 8533 ; 8922 ; 8923 ; 8662 ; 8934 ; 534772 ;
Abstract
The present invention relates to a process for dyeing polyester or polyester-containing textile materials at pH 8 to pH 11 with one or more monoazo dyestuffs of the general formula I ##STR1## in which A, R and X.sup.1 to X.sup.3 are as defined in claim 1.