(19)
(11) EP 1 034 220 A1

(12)

(43) Date of publication:
13.09.2000 Bulletin 2000/37

(21) Application number: 98955291.4

(22) Date of filing: 20.11.1998
(51) International Patent Classification (IPC)7C08L 95/00
(86) International application number:
PCT/CA9801/078
(87) International publication number:
WO 9927/018 (03.06.1999 Gazette 1999/22)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 20.11.1997 US 974960

(71) Applicant: POLYPHALT INC.
North YorkOntario M2J 5C9 (CA)

(72) Inventor:
  • LIANG, Zhi-Zhong
    Richmond Hill, Ontario L4B 3B8 (CA)

(74) Representative: Silverman, Warren 
Haseltine Lake & Co.Imperial House,15-19 Kingsway
London WC2B 6UD
London WC2B 6UD (GB)

   


(54) BITUMINOUS COMPOSITIONS PREPARED WITH PROCESS TREATED VULCANIZED RUBBERS