(19)
(11)
EP 1 773 971 A1
(12)
(43)
Date of publication:
18.04.2007
Bulletin 2007/16
(21)
Application number:
05744662.7
(22)
Date of filing:
16.05.2005
(51)
International Patent Classification (IPC):
C10M
175/00
(2006.01)
C10G
31/10
(2006.01)
C10M
175/02
(2006.01)
(86)
International application number:
PCT/SE2005/000701
(87)
International publication number:
WO 2005/111181
(
24.11.2005
Gazette 2005/47)
(84)
Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
(30)
Priority:
17.05.2004
SE 0401291
(71)
Applicant:
Viatech Systems AB
146 37 Tullinge (SE)
(72)
Inventor:
STRĂ–M, Gunnar
112 27 Stockholm (SE)
(74)
Representative:
Holmberg, Martin Tor
Bergenstrahle & Lindvall AB P.O. Box 17704
118 93 Stockholm
118 93 Stockholm (SE)
(54)
PROCESS FOR THE PURIFICATION OF SPENT PROCESS OIL