(19)
(11) EP 0 162 890 A1

(12)

(43) Date of publication:
04.12.1985 Bulletin 1985/49

(21) Application number: 84904244.0

(22) Date of filing: 30.10.1984
(51) International Patent Classification (IPC): 
C10L 1/ 222( . )
C10M 133/ 08( . )
(86) International application number:
PCT/US1984/001759
(87) International publication number:
WO 1985/001956 (09.05.1985 Gazette 1985/11)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 31.10.1983 US 19830547558
31.10.1983 US 19830547559

(71) Applicant: CHEVRON RESEARCH AND TECHNOLOGY COMPANY
San Francisco, CA 94120 (US)

(72) Inventor:
  • CAMPBELL, Curtis, B.
    Rodeo, CA 94572 (US)

(74) Representative: Kosmin, Gerald Emmanuel, et al 
HASELTINE, LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane
London, WC2A 1AT
London, WC2A 1AT (GB)

   


(54) DEPOSIT CONTROL ADDITIVES - HYDROXY POLYETHER POLYAMINES