Aminomethanephosphonic acid aryl esters, a process for their pro

Details Aminomethanephosphonic acid aryl esters, a process for their pro Aminomethanephosphonic acid aryl esters, a process for their pro

1990-09-27

1992-10-27

Cintins, Marianne

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

106 1815, C07D25170, C09D 518

Patent

active

051590743

ABSTRACT:
Aminomethanephosphonic acid aryl esters of the formula ##STR1## in which R.sup.1 is an aromatic radical and R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of one another represent hydrogen atoms, ##STR2## groups, an optionally substituted C.sub.1-10 alkyl radical or an optionally substituted aromatic ring, or salts thereof.
These aminomethanephosphonic acid aryl esters are useful as flameproofing agents in foams, thermoplastics and thermosets and as a crosslinking component in oligo-and polycondensates based on monomers containing hydroxy groups.

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