1 CHEMICALS FOR USE IN DRILLING, PRODUCTION, TRANSPORTING, AND REFINING OF OIL, GAS, GEOTHERMAL HEAT, AND MINERALS RECOVERED FROM THE EARTH-NAMELY, FLOCCULANTS, EMULSIFIERS, CLAY STABILIZERS, SCALE REMOVERS, SURFACTANTS, MICROBIOCIDES, AND DEFOAMERS
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Trademark Events
May 25, 2002
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Nov 12, 1986
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.