Spun-dyed polyurethaneurea fibres, a process for their...

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber

Reexamination Certificate

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C428S372000, C524S173000, C524S495000, C264S078000, C264S171100, C264S205000, C264S103000

Reexamination Certificate

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07364792

ABSTRACT:
Described are elastic polyurethaneurea fibres comprising a cationically modified carbon black as an additive, so that the colour of the fibre is distinctly changed. Also described are a process for producing coloured polyurethaneurea fibres and also their use for producing elastic fabrics and textile goods.

REFERENCES:
patent: 5969028 (1999-10-01), Hutte
patent: 6127506 (2000-10-01), Greene
patent: 6663959 (2003-12-01), Zweering et al.
patent: 6915896 (2005-07-01), Jones
patent: 2005/0038138 (2005-02-01), Hutte et al.
patent: 2006/0210794 (2006-09-01), Hutte

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