Process for making acid dye stain-resistant fibers

Details Process for making acid dye stain-resistant fibers Process for making acid dye stain-resistant fibers

2006-10-03

2006-10-03

Tentoni, Leo B. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

C264S211000, C525S425000

Reexamination Certificate

active

07115224

ABSTRACT:
Acid dye stain-resistant fibers which are formed from a polyamide composition containing a mixture of a masterbatch concentrate, a fiber-forming polyamide and a polymer, the masterbatch concentrate including a carrier and a reagent having the formula:wherein Q and Z are moieties which associate with free acid dye sites in the polyamide, a is an integer from 0 to 2, b is an integer from 1 to 4, and R is an alphatic, aromatic or alicydic hydrocarbyl group. The carrier can be a terpolymer, a semi-crystallic thermoplastic polyester or plyamide having a melting point of about 235° C. or less, or mixtures thereof.

REFERENCES:
patent: 6537475 (2003-03-01), Studholme
patent: 6589466 (2003-07-01), Studholme
patent: 6680018 (2004-01-01), Studholme

Affiliated with

Also associated with

Rating

Process for making acid dye stain-resistant fibers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for making acid dye stain-resistant fibers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for making acid dye stain-resistant fibers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3713070