Earth boring – well treating – and oil field chemistry – Preventing contaminant deposits in petroleum oil conduits
Reexamination Certificate
2011-03-08
2011-03-08
Kugel, Timothy J. (Department: 1765)
Earth boring, well treating, and oil field chemistry
Preventing contaminant deposits in petroleum oil conduits
C507S267000, C510S108000, C510S403000, C510S461000, C510S505000, C510S531000, C510S535000, C516S073000, C516S902000
Reexamination Certificate
active
07902123
ABSTRACT:
A cleaning composition including which comprises a surfactant and a propionate as co-surfactant and/or co-solvent. The composition can be used, for example, to clean drilling mud containing oils.
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Harrison John
Zwinderman Mark
Drinker Biddle & Reath LLP
Kugel Timothy J.
Surface Active Solutions (Holdings) Limited
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