N-acyl-1-amino alkane-1,1-diphosphonic acid compounds and compos

Details N-acyl-1-amino alkane-1,1-diphosphonic acid compounds and compos N-acyl-1-amino alkane-1,1-diphosphonic acid compounds and compos

1977-01-18

1978-06-13

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

252180, C02B 506

Patent

active

040947823

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.
patent: 3957160 (1976-05-01), Ploger et al.

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