SCHLUMBERGER DOWELL, ETUDES ES PRODUCTIONS

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Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
6,277,900 Well cementing aidsNov 19, 98Aug 21, 01[C09K]37

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6,277,900 Well cementing aidsNov 19, 98Aug 21, 01[C09K]

Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Frenz Volker
Mainz-Kostheim, DE
1
Maroy Pierre
Buc, FR
1
Oswald Reinhard
Vienna, AT
1
Tardi Aranka
Neuberg, DE
1
Tonhauser Juergen
Oestrich-Winkel, DE
1