N-acyl-1-amino alkane-1,1-diphosphonic acid compounds, process o

Details N-acyl-1-amino alkane-1,1-diphosphonic acid compounds, process o N-acyl-1-amino alkane-1,1-diphosphonic acid compounds, process o

1976-04-15

1977-06-14

Evans, Joseph E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

21 27A, 210 58, 252147, 252180, 252DIG17, 260429J, 2604385R, 260439R, 260DIG4, C07F 938

Patent

active

040296970

ABSTRACT:
N-acyl-1-amino alkane-1,1-diphosphonic acids or their alkali metal salts are highly effective scale and deposit formation preventing, metal ion complexing, sequestering, and anti-corrosive agents which can be used with great advantage in washing and cleaning fluids and detergent preparations. Such N-acyl-1-amino alkane-1,1-diphosphonic acids are prepared, for instance, by acylating the corresponding 1-amino alkane-1,1-diphosphonic acids or by hydrolyzing the corresponding (1,1-diphosphono alkane) acylamidines.

REFERENCES:
patent: 2993067 (1961-07-01), Magerlein et al.
patent: 3173944 (1965-03-01), Kroll et al.
patent: 3853530 (1974-12-01), Franz
patent: 3919297 (1975-11-01), Krueger et al.

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