(19)
(11) EP 0 783 369 A1

(12)

(43) Date of publication:
16.07.1997 Bulletin 1997/29

(21) Application number: 95934553.0

(22) Date of filing: 26.09.1995
(51) International Patent Classification (IPC): 
B01J 21/ 18( . )
B01J 35/ 06( . )
C10G 27/ 10( . )
B01J 23/ 70( . )
C10G 27/ 04( . )
(86) International application number:
PCT/US1995/012339
(87) International publication number:
WO 1996/009891 (04.04.1996 Gazette 1996/15)
(84) Designated Contracting States:
DE GB NL

(30) Priority: 27.09.1994 US 19940313635

(71) Applicant: CHEVRON U.S.A. INC.
San Francisco, California 94120-7141 (US)

(72) Inventors:
  • MAZGAROV, Akhmet Mazgarovich
    Kazan, 420029 (RU)
  • VILDANOV, Azat Faridovich
    Kazan, 420045 (RU)
  • BAZHIROVA, Nailya Gilmutdinovna
    Kazan, 420128 (RU)

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

   


(54) A METHOD FOR THE DEMERCAPTANIZATION OF PETROLEUM DISTILLATES