Improvements in or relating to the exchange or elimination of anions in liquids and the absorption of gases

摘要

525,280. Solid absorbents for gases. AUXILIAIRE DES CHEMINS DE FER ET DE L'INDUSTRIE, and AUSTERWEIL, G. V. Feb. 16, 1939, No. 5202. Convention date, Feb. 22, 1938. Addition to 497,928. [Class 1 (i)] [Also in Group I] Insoluble derivatives of the amines or imines of cyanuric acid are used to eliminate or exchange free or combined anions from liquids or gases, as described in the parent Specification. Melam and mellon are mentioned as suitable derivatives.