(19)
(11) EP 2 188 346 A2

(12)

(88) Date of publication A3:
03.09.2009

(43) Date of publication:
26.05.2010 Bulletin 2010/21

(21) Application number: 08827556.5

(22) Date of filing: 24.07.2008
(51) International Patent Classification (IPC): 
C09K 3/10(2006.01)
(86) International application number:
PCT/US2008/071046
(87) International publication number:
WO 2009/023415 (19.02.2009 Gazette 2009/08)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 30.07.2007 US 952741 P

(71) Applicant: M-I LLC
Houston, TX 77072 (US)

(72) Inventors:
  • HORTON, Robert, L.
    Sugar Land, TX 77479 (US)
  • MASSAM, Jarrod
    Aberdeen AB10 6AL Scotland (GB)
  • OAKLEY, Doug
    Bradford-on-Avon Wiltshire BA15 2RR (GB)

(74) Representative: Brochard, Pascale et al
Osha Liang 32 avenue de l'Opéra
75002 Paris
75002 Paris (FR)

   


(54) INSULATING ANNULAR FLUID