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:
May. 11, 1993
Filed:
Dec. 04, 1991
Applicant:
Inventors:
Rainer H Traber, Reinach, CH;
Ulrich Strahm, Aesch, CH;
Assignee:
Giba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
8526 ; 8527 ; 8528 ; 8552 ; 8606 ; 8610 ; 8906 ; 8907 ; 8922 ; 8924 ;
Abstract
The invention relates to novel pasty or solid dye melts which contain, per 1 part of a sparingly water-soluble or water-insoluble dye whose melting point is higher than 150.degree. C., 2 to less than 5 parts of a nonionic surfactant with a melting point of 25.degree.-100.degree. C. and having an HLB value of 13 to 19 or of a cationic surfactant with a melting point of 25.degree.-100.degree. C., or a mixture of said surfactants, to a process for their preparation and to the use of said melts, preferably for dyeing and printing polyester materials, to give level dyeings having a high degree of exhaustion.