(19)
(11)
EP 1 165 448 A1
(12)
(43)
Date of publication:
02.01.2002
Bulletin 2002/01
(21)
Application number:
99960234.5
(22)
Date of filing:
08.11.1999
(51)
International Patent Classification (IPC)
7
:
C02F
3/12
(86)
International application number:
PCT/US9926/318
(87)
International publication number:
WO 0134/527
(
17.05.2001
Gazette 2001/20)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI
(71)
Applicant:
Stover, Enos L.
Stillwater, OK 74074 (US)
(72)
Inventor:
Stover, Enos L.
Stillwater, OK 74074 (US)
(74)
Representative:
Price, Nigel John King
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5JJ
London WC1R 5JJ (GB)
(54)
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