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Dehydril Trademarks
DEHYDRIL
polymers, surfactants, and additives for use in the oil field industry (not including boron or boron compounds)
Cancelled
·
August 29, 1991
·
74199300
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DEHYDRIL
Chemical Products-Namely, Anionic and Non-Ionic Surfactants for Use in the Petroleum Industry Not Including Boron or BoRon Compounds
Cancelled
·
July 29, 1983
·
73436791
·
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