Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1997-02-12
1998-05-19
Wu, David W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525322, C08L 2312
Patent
active
057537623
ABSTRACT:
The present invention relates to polypropylene fibers and nonwoven fabrics produced from spunlaid or staple fibers having improved natural bulk. Said polypropylene fibers are made of a blend of sPP and iPP.
REFERENCES:
patent: 5478646 (1995-12-01), Asanuma et al.
patent: 5521251 (1996-05-01), Satoh et al.
patent: 5603696 (1997-02-01), Williams et al.
de Wergifosse Etienne
Leuckx Daniel
Venneman Rene F.
Cheairs M. Norwood
Fina Research S.A.
Wheelington Jimmy D.
Wu David W.
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