C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/26 (2006.01) C02F 1/58 (2006.01) A62D 3/00 (2006.01)
Patent
CA 2470470
A method for reducing the toxicity of onium compounds, such as ammonium compounds and phosphonium compounds, by the use of certain additives is described. Suitable additives include, but are not necessarily limited to, carboxylic acids (e.g. naphthenic acids), sulfonic acids, organophosphonic acids, phenolic compounds, ether sulfates, phosphoric acid esters, sulfonated fatty acids, sulfated fatty acids, oligocarboxylic acids, and mixtures thereof, and alkali metal salts of these compounds and amine salts of these compounds.
L'invention concerne une méthode de réduction de la toxicité de composés d'onium, notamment des composés d'ammonium et des composés de phosphonium, par le biais de l'utilisation de certains additifs. Des additifs appropriés comprennent de façon non exhaustive des acides carboxyliques (par exemple, des acides naphthéniques), des acides sulfoniques, des acides organophosphoniques, des composés phénoliques, des sulfates d'éther, des esters d'acide phosphorique, des acides gras sulfonés, des acides gras sulfatés, des acides oligocarboxyliques, et des mélanges de ceux-ci, ainsi que des sels métalliques alcalins de ces composés et des sels aminés de ces composés.
Downs Hartley H.
Rivers Gordon T.
Baker Hughes Incorporated
Sim & Mcburney
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