79019500
Dec 2, 2005
Sep 25, 2007
Chemicals for industrial use, namely, oil field chemicals for controlling bacteria in crude oil production, for removal of residual oil from water in refineries and in crude oil production; chemicals for use in industry, namely, corrosion inhibitors for petroleum and natural gas production plants and processing plants, water-soluble polymers for tertiary crude oil production, pour-point and/or viscosity depressants for crude oils and residual oils, paraffin inhibitors for use in petroleum production and processing, petroleum emulsion breaker for dehydration of crude oil emulsions and for desalination of crude oils, scale inhibitors for petroleum production and processing, surfactants for petroleum production and for pipeline transportation
Chemicals