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:
Jan. 26, 2010
Filed:
Jul. 24, 2006
Applicant:
Sundar Mohan Rao, Chattanooga, TN (US);
Inventor:
Sundar Mohan Rao, Chattanooga, TN (US);
Assignee:
INVISTA Technologies S.A.R.l., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P 3/86 (2006.01); D06P 3/87 (2006.01); D06P 3/874 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of producing a multicolored textured carpet comprises blending a polyamide polymer and a color pigment to form a melt blend, extrusion spinning the melt blend to form pigmented polyamide yarns, tufting (1) the pigmented polyamide yarns and (2) white dyeable polyamide yarns into a carpet, and overdyeing the carpet with an amount of acid dye sufficient to produce the multicolored textured carpet. The color pigment and the acid dye are selected to provide desired multicolored effect in the carpet. The multicolored textured carpet having deeper color and dye light fastness is also disclosed.