(19)
(11) EP 0 896 594 A1

(12)

(43) Date of publication:
17.02.1999 Bulletin 1999/07

(21) Application number: 97921195.0

(22) Date of filing: 15.04.1997
(51) International Patent Classification (IPC): 
C08F 2/ 04( . )
C08F 212/ 08( . )
C08F 4/ 64( . )
C08F 212/ 12( . )
(86) International application number:
PCT/US1997/006221
(87) International publication number:
WO 1997/041159 (06.11.1997 Gazette 1997/47)
(84) Designated Contracting States:
BE DE ES FR GB IT NL

(30) Priority: 01.05.1996 US 19960016603P

(71) Applicant: THE DOW CHEMICAL COMPANY
Midland, Michigan 48674 (US)

(72) Inventors:
  • CALLAGHAN, Thomas, A.
    Saginaw, MI 48609 (US)
  • MALANGA, Michael, T.
    Midland, MI 48640 (US)

(74) Representative: Burford, Anthony Frederick 
W.H. Beck, Greener & Co. 7 Stone Buildings Lincoln's Inn
London WC2A 3SZ
London WC2A 3SZ (GB)

   


(54) PROCESS FOR PREPARING SEMICRYSTALLINE SYNDIOTACTIC VINYLAROMATIC POLYMERS