72196553
Jun 26, 1964
Oct 12, 1965
CHEMICALS USED IN THE TREATMENT OF PETROLEUM EMULSIONS FOR BREAKING THE EMULSIONS, CHEMICALS USED AS CORROSION INHIBITORS, WATER TREATING CHEMICALS TO PROTECT EQUIPMENT FROM CORROSION AND SCALE, AND TO SEPARATE WATER AND BASIC SEDIMENT FROM CRUDE OIL, AND PARAFFIN SOLVENTS
Metal Goods