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Dehydem Trademarks
DEHYDEM
Defoaming agents
Abandoned
·
August 2, 2013
·
86027065
·
DEHYDEM
Defoaming agents
Abandoned
·
February 25, 2010
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77944439
·
DEHYDEM
Chemical products for use in the oilfield industry; namely, demulsifiers, not including boron or boron compounds
Cancelled
·
December 1, 1998
·
75597361
·
DEHYDEM
chemical products for use in the oilfield industry; namely, demulsifiers (not including boron or boron compounds)
Cancelled
·
April 3, 1991
·
74153634
·
DEHYDEM
Chemical Products for Use in the Petroleum Industry as Demulsifiers of Water Oil Emulsions and for Desalination and Emulsion Prevention
Cancelled
·
July 29, 1983
·
73436790
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