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:
Jul. 07, 1987
Filed:
Sep. 26, 1986
Applicant:
Inventors:
Horst Tappe, Dietzenbach, DE;
Hubert Kruse, Kelkheim, DE;
Reinhard Kuhn, Frankfurt, DE;
Albert Bode, Schwalbach, DE;
Margareta Boos, Hattersheim, DE;
Assignee:
Cassella Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
8639 ; 8524 ; 8528 ; 8532 ; 8533 ; 8638 ; 8696 ; 8921 ; 8922 ; 8924 ;
Abstract
Synthetic fiber materials are effectively colored by dyeing or printing with a dyestuff mixture containing at least two separate dyestuffs (I) and (II) in a weight ratio of (I):(II) of from (20 to 99):(80 to 1) wherein: (I) is at least one dyestuff of the formula ##STR1## and (II) is at least one dyestuff of the formula ##STR2## in which X and Y are the same or different and each is independently chloro and bromo: