73651269
Mar 25, 1987
Oct 18, 1988
THINNERS, DESPERSANTS, FILTRATE REDUCERS, EMULSIFIERS, FLOCCULANTS, VISCOSIFIERS, SHALE CONTROL INHIBITORS, BACTERICIDES, LUBRICANTS, SURFACE ACTIVE AGENTS, DEFOAMERS AND FOAMING AGENTS, CORROSION INHIBITORS
Chemicals