Phosphonic acid half-esters and their derivatives

Details Phosphonic acid half-esters and their derivatives Phosphonic acid half-esters and their derivatives

1973-10-03

1976-01-13

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

44 68, 44DIG4, 106 15FP, 252 81, 252 497, 252 498, 252400, 260 4575R, 260 4575K, 260 4575N, 2604299, 260439R, 260448R, C07F 722

Patent

active

039324788

ABSTRACT:
Unsubstituted and substituted dialkyl esters of phosphoric and diphosphonic acids, nuclearly brominated derivatives thereof, and metal mono-, bis-, and tris- derivatives of phosphonic acid half-esters are useful as ultraviolet light absorbers and as fire retardants.

REFERENCES:
patent: 3423487 (1969-01-01), Scheuerer et al.
patent: 3696135 (1972-10-01), Kartschmaroff
patent: 3754019 (1973-08-01), Sarett et al.
patent: 3767735 (1973-10-01), Fenyes et al.
patent: 3824192 (1974-07-01), Di Battista

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