(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