72194884
Jun 4, 1964
Mar 15, 1966
HOOKER CHEMICAL CORPORATION
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CHEMICAL COMPOSITIONS USEFUL AS RUST AND CORROSION INHIBITORS FOR METALS
PHOSPHATE-BASED INDUSTRIAL COATINGS FOR TREATMENT OF ALUMINUM GALVANIZED OR STEEL SURFACES TO PRODUCE A PAINT-HOLDING AND/OR CORROSION RESISTANT COATING THEREON
METAL CLEANING COMPOSITIONS