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, 1989
Filed:
Mar. 16, 1988
Applicant:
Inventor:
Jay E Rowe, Douglasville, PA (US);
Assignee:
Crompton & Knowles Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
8641 ; 8638 ; 8643 ; 8676 ; 8679 ; 8680 ; 8684 ; 8687 ; 8917 ; 8924 ; 8929 ;
Abstract
A trichromatic dye combination especially suited for the continuous dyeing of synthetic polyamide materials; the system including an acid red dye component, an acid blue dye component and an acid yellow dye component, each of said dye components being selected on the basis of minimum and compatible cold strike and compatible on tone strike rates. The trichromatic combination according to the invention dyes synthetic polyamide fibers from aqueous liquors, producing level dyeings having excellent fastness properties including good lightfastness and good ozone fastness.