(19)
(11) EP 0 540 608 A1

(12)

(43) Date of publication:
12.05.1993 Bulletin 1993/19

(21) Application number: 91913576.0

(22) Date of filing: 19.07.1991
(51) International Patent Classification (IPC): 
B29C 47/ 54( . )
C08F 20/ 42( . )
C08L 77/ 00( . )
D01D 5/ 084( . )
D01F 6/ 18( . )
D01F 6/ 80( . )
D04H 1/ 56( . )
D21H 13/ 26( . )
B32B 5/ 18( . )
C08F 20/ 44( . )
C08L 77/ 10( . )
D01D 5/ 11( . )
D01F 6/ 60( . )
D01F 6/ 84( . )
D04H 13/ 00( . )
(86) International application number:
PCT/US1991/005000
(87) International publication number:
WO 1992/001829 (06.02.1992 Gazette 1992/04)
(84) Designated Contracting States:
AT CH DE FR GB IT LI

(30) Priority: 20.07.1990 US 19900555194

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)

(72) Inventors:
  • ALLEN, Steven, R.
    Midlothian, VA 23112 (US)
  • GALE, David, Mark
    Wilmington, DE 19810 (US)
  • MIAN, Aziz, Ahmed
    Wilmington, DE 19810 (US)
  • SAMUELS, Sam, L.
    Claymont, DE 19703 (US)
  • SHIH, Hsiang
    Wilmington, DE 19803 (US)

(74) Representative: Abitz, Walter, Dr.-Ing. 
Patentanwälte Abitz & Partner Postfach 86 01 09
D-81628 München
D-81628 München (DE)

   


(54) A PROCESS FOR PREPARING SUBDENIER FIBERS, PULP-LIKE SHORT FIBERS, FIBRIDS, ROVINGS AND MATS FROM ISOTROPIC POLYMER SOLUTIONS