(19)
(11) EP 3 458 631 A1

(12)

(43) Date of publication:
27.03.2019 Bulletin 2019/13

(21) Application number: 17725127.9

(22) Date of filing: 15.05.2017
(51) International Patent Classification (IPC): 
D01D 4/02(2006.01)
D01F 6/70(2006.01)
D01D 5/04(2006.01)
D01D 5/253(2006.01)
(86) International application number:
PCT/US2017/032595
(87) International publication number:
WO 2017/200900 (23.11.2017 Gazette 2017/47)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 20.05.2016 US 201662339312 P

(71) Applicant: INVISTA Textiles (U.K.) Limited
Manchester M2 3DE (GB)

(72) Inventor:
  • CASEY, John T.
    Waynesboro, Virginia 22980 (US)

(74) Representative: Cockerton, Bruce Roger 
Carpmaels & Ransford LLP One Southampton Row
London WC1B 5HA
London WC1B 5HA (GB)

   


(54) NON-ROUND SOLUTION SPUN SPANDEX FILAMENTS AND METHODS AND DEVICES FOR PRODUCTION THEREOF