Use of cyclic aminals of glyoxylic acid for trapping hydrogen su

Details Use of cyclic aminals of glyoxylic acid for trapping hydrogen su Use of cyclic aminals of glyoxylic acid for trapping hydrogen su

1994-12-14

1996-07-16

Straub, Gary P.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423226, 423228, 4232421, B01D 5352

Patent

active

055364810

ABSTRACT:
Use of a product of formula (I): ##STR1## in which M represents a hydrogen, lithium, sodium or potassium atom, or an NH.sub.4 group and n represents 2 or 3, as an agent for trapping hydrogen sulphide, its use for the preparation of a composition for trapping hydrogen sulphide and process for the elimination of hydrogen sulphide from a fluid.

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"Reaction of Ethylenediamine and C,C,C',C'-Tetramethyl Ethylenediamine with Glyoxylate in the Presence and Abscence of Zinc (II) or Nickel (II)" by Hilton et al; J. Am. Ch. Soc., 93:25; 15 Dec. 1971 pp. 6831-6836.
"Reactions of Perhydro-2,2'-Bipyrimidones with Carbonyl Compounds Bearing .alpha.-Carbonyl Functionality" by Craig et al; J. Org. Chem.; vol. 58; No. 21; (1993, pp. 5753-5758.

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