(19)
(11) EP 0 948 401 A1

(12)

(43) Date of publication:
13.10.1999 Bulletin 1999/41

(21) Application number: 97950290.0

(22) Date of filing: 19.12.1997
(51) International Patent Classification (IPC): 
B01J 8/ 40( . )
C08F 2/ 01( . )
C08F 10/ 00( . )
B08B 7/ 02( . )
C08F 2/ 34( . )
(86) International application number:
PCT/GB1997/003500
(87) International publication number:
WO 1998/029186 (09.07.1998 Gazette 1998/27)
(84) Designated Contracting States:
AT BE DE ES FI FR GB GR IT NL PT SE

(30) Priority: 27.12.1996 FR 19960016341

(71) Applicants:
  • BP Chemicals Limited
    London EC2M 7BA (GB)
  • BP CHEMICALS S.N.C.
    92400 Courbevoie (FR)

(72) Inventors:
  • BELLET, Serge
    F-13220 Châteauneuf-les-Martigues (FR)
  • BONTEMPS, Xavier
    F-13117 Lavera (FR)
  • LALANNE-MAGNE, Claudine
    F-13920 Saint-Mitre-les-Remparts (FR)
  • LOURADOUR, Guy
    F-93100 Montreuil (FR)

(74) Representative: Preece, Michael, et al 
BP International Limited Group Patents & Agreements, Chertsey Road
Sunbury-on-Thames, Middlesex, TW16 7LN
Sunbury-on-Thames, Middlesex, TW16 7LN (GB)

   


(54) PROCESS FOR TREATING THE WALL OF A REACTOR BY VIBRATIONS