73308670
Apr 29, 1981
Sep 20, 1983
Chemicals and Chemical Compositions for the Recovery and Processing of Oil, Including but Not Limited to Corrosion Inhibiting Compositions, Oxygen Scavengering Compositions, Water Clarification Coagulants and Flocculants, Scale Control Agents, Biocidally Active Products, Emulsion Breakers, Reverse Emulsion Breakers, and Parrafin Control Products
Chemicals