71554067
Apr 8, 1948
Mar 14, 1950
WETTING AND PENETRATING AGENTS FOR USE IN THE PROCESSING OF TEXTILES, PAPER, LEATHER, AND FELTS, AS ASSISTANTS TO AQUEOUS SOLUTIONS USUALLY CONTAINING OTHER MATERIALS OR CHEMICALS WHICH PRODUCE COLORATION, STIFFENING, SOFTENING, FIRE-RETARDANT PROPERTIES, COATINGS, OR DIMENSIONAL STABILIZATION
Metal Goods