(19)
(11) EP 1 017 742 A1

(12)

(43) Date of publication:
12.07.2000 Bulletin 2000/28

(21) Application number: 98943478.2

(22) Date of filing: 31.08.1998
(51) International Patent Classification (IPC)7C08L 67/02, C08L 69/00, C08L 101/00, C08G 81/00, C08G 85/00, C08G 18/10
(86) International application number:
PCT/US9818/011
(87) International publication number:
WO 9911/710 (11.03.1999 Gazette 1999/10)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 04.09.1997 US 57923 P
26.08.1998 US 140825

(71) Applicant: EASTMAN CHEMICAL COMPANY
Kingsport, TN 37660 (US)

(72) Inventors:
  • BRINK, Andrew, Edwin
    Research Triangle Park, NC 27709 (US)
  • OWENS, Jeffrey, Todd
    Kingsport, TN 37660 (US)

(74) Representative: Wibbelmann, Jobst, Dr., Dipl.-Chem. 
Wuesthoff & Wuesthoff,Patent- und Rechtsanwälte,Schweigerstrasse 2
81541 München
81541 München (DE)

   


(54) THERMOPLASTIC POLYURETHANE ADDITIVES FOR CHAIN EXTENSION AND REACTIVE EXTRUSION