Invention Grant
- Patent Title: Method for producing multicolored carpet
- Patent Title (中): 多彩地毯生产方法
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Application No.: US11491748Application Date: 2006-07-24
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Publication No.: US07651540B2Publication Date: 2010-01-26
- Inventor: Sundar Mohan Rao
- Applicant: Sundar Mohan Rao
- Applicant Address: US DE Wilmington
- Assignee: INVISTA Technologies S.A.R.l.
- Current Assignee: INVISTA Technologies S.A.R.l.
- Current Assignee Address: US DE Wilmington
- Agent Craig M. Sterner
- Main IPC: D06P3/86
- IPC: D06P3/86 ; D06P3/87 ; D06P3/874

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.
Public/Granted literature
- US20080016625A1 Method for producing multicolored carpet Public/Granted day:2008-01-24
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