Verwendung von Loesungen einer Phenoxyalkansaeure als Mittel zum Wasserundurchlaessigmaschen von Erdschichten

摘要

1,066,726. Treating soil. UNITED STATES RUBBER CO. Oct. 15, 1965 [Nov. 9, 1964], No. 43709/65. Heading E1F. Earth is rendered substantially impervious to water and evaporation or seepage therefrom reduced by treating with 0.025 to 251bs/1000sq. ft. of surface with a phenoxy or alkyl or phenoxy alkanoic acid.