72178591
Oct 9, 1963
Apr 13, 1965
CHEMICAL COMPOSITIONS CONTAINING QUATERNARY AMMONIUM COMPOUNDS WHICH HAVE BACTERICIDAL, CORROSION-INHIBITING, SURFACTANT, DETERGENT AND FOAMING PROPERTAIES WHICH ARE SOLD TO THE OIL INDUSTRY FOR USE IN FRACTURING AND SQUEEZING OPERATIONS
Metal Goods