(19)
(11) EP 1 109 834 A1

(12)

(43) Date of publication:
27.06.2001 Bulletin 2001/26

(21) Application number: 99940869.3

(22) Date of filing: 03.08.1999
(51) International Patent Classification (IPC)7C08B 11/20
(86) International application number:
PCT/US9917/597
(87) International publication number:
WO 0008/059 (17.02.2000 Gazette 2000/07)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 04.08.1998 US 95263 P

(71) Applicant: UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION
Danbury,Connecticut 06817-0001 (US)

(72) Inventors:
  • MALLON, Charles, B.
    Belle Mead, NJ 08502 (US)
  • VAMES, John, S.
    Highland Park, NJ 08904 (US)
  • SARLIS, John, Ioannis
    Laval, Quebec H7G 3E1 (CA)
  • SEE, Benito
    Belle Mead, NJ 08502 (US)
  • TRAMPE, David, M.
    Somerville, NJ 08876 (US)
  • DATTA, Rathin
    Chicago, IL 60657-3834 (US)

(74) Representative: Hayes, Adrian Chetwynd et al
Boult Wade Tennant,Verulam Gardens70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) PRODUCTION OF POLYSACCHARIDE ETHERS