Composite sheet suitable for use as artificial leather

Details Composite sheet suitable for use as artificial leather Composite sheet suitable for use as artificial leather

2007-03-06

2007-03-06

Befumo, Jenna (Department: 1771)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including stitching and discrete fastener, coating or bond

C066S190000, C066S191000, C428S196000, C428S219000, C428S220000, C428S904000, C442S104000, C442S361000

Reexamination Certificate

active

10403254

ABSTRACT:
The invention is directed to a composite sheet suitable for use as artificial leather or a precursor to artificial leather, where both surfaces have a napped or brushed appearance. The composite sheet comprises a low-density, lightly bonded non-woven web that is stitch-bonded and bulked such that the stitch-bonding yarns are not visible to the naked eyes without the need of post-processing steps to hide the yarns. The composite sheet may have binder resin(s) dispersed therein and activated.

REFERENCES:
patent: 4073988 (1978-02-01), Nishida et al.
patent: 4341581 (1982-07-01), Civardi et al.
patent: 4876128 (1989-10-01), Zafiroglu
patent: 5256429 (1993-10-01), Honda et al.
patent: 5707710 (1998-01-01), Zafiroglu
patent: 5922445 (1999-07-01), Yoshida et al.
patent: 6063473 (2000-05-01), Zafiroglu
patent: 6407018 (2002-06-01), Zafiroglu
Kirk-Othmner Encyclopedia of Chemical Technology, vol. 15, “Leather-like Materials,” pp. 177-192, (1995).

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