Non-hygroscopic monoammonium salts of phosphonic and phosphinic acids
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United States of America Patent
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Apr 25, 1995
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app pub date -
Feb 4, 1994
filing date -
Apr 16, 1991
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Expired
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Abstract
A solid, non-hygroscopic salt of the Formula (I) ##STR1## wherein R.sup.1 is dydroxy or alkyl; A is C.sub.1 to C.sub.4 alkyl-amino or an amino-alkyl group containing a primary or a secondary amino group; and B is ammonium ion or an alkyl-substituted ammonium ion, which is substantially free of a diammonium salt ##STR2##
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