| (84) |
Designated Contracting States: |
|
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
Designated Extension States: |
|
AL LT LV MK RO SI |
| (30) |
Priority: |
11.06.2001 US 297491 P
09.07.2001 US 901444
|
| (71) |
Applicant: M-I L.L.C. |
|
Houston, TX 77072-1626 (US) |
|
| (72) |
Inventors: |
|
- KIPPIE, David, P.
Katy, TX 77450 (US)
- FOXENBERG, William, E.
Houston, TX 77004 (US)
- HORTON, Robert, L.
Sugarland, TX 77479 (US)
|
| (74) |
Representative: Weihs, Bruno et al |
|
Rosenthal & Osha,121, avenue des Champs Elysées
75008 Paris
75008 Paris (FR) |
|
