72155150
Oct 15, 1962
May 26, 1964
HALBY PRODUCTS COMPANY INC.
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INORGANIC AND ORGANIC THIOCYANATES, SULFIDES, HYDROSULFIDES, THIOGLYCOLIC ACID, THIOGLYCOLATES INCLUDING ESTERS, THIODIPROPIONATES INCLUDING ESTERS, THIODIPROPIONIC ACID AND THIODIPROPIONITRILE