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:
Sep. 22, 1998
Filed:
Sep. 27, 1996
Applicant:
Inventors:
Werner Hubert Russ, Florsheim, DE;
Mike Elliott, Greetland Halifax, GB;
Robert Dewhurst, Gloucester, GB;
Charles Richard Langrick, Middlesborough, GB;
David John Marfell, Gloucester, GB;
Assignee:
Dystar Textilfarben GmbH & Co. Deutschland KG, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8531 ; 8529 ; 8549 ; 8638 ; 8641 ; 8590 ; 8597 ; 8604 ; 8924 ;
Abstract
A process for dyeing synthetic polyamide fibers, in particular in form of micro fibers, is described comprising the use of polyamide fibers having an amino end group content of at least 60 gram equivalents per 1000 kilograms of polyamide polymer and using a dye composition of water-soluble dyes containing at least one dye having 1 or 2 vinylsulfonyl groups and at least 1 dye having 1 or 2 groups of the general formula (A)