Flame retardants

Details Flame retardants Flame retardants

1989-09-29

1992-03-03

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07F 938, C07D25170

Patent

active

050934945

ABSTRACT:
The present invention provides a melamine phosphonic acid salt of the general formula (I) ##STR1## in which R is hydrogen, methyl or a negative valency bond, and n is 1 when R is hydrogen or methyl, or 2 when R.sup.1 is a negative valency bond.
The salts are useful as flame retardants in polymers.

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patent: 3576923 (1971-04-01), Randell et al.
patent: 4061605 (1977-12-01), Simon
patent: 4241145 (1980-12-01), Shukla
patent: 4260688 (1981-04-01), Simon
patent: 4308197 (1981-12-01), Byrd et al.
patent: 4452849 (1984-06-01), Nachbur et al.
patent: 4487800 (1984-12-01), Nachbur et al.
patent: 4623642 (1986-11-01), Kristiansen et al.
patent: 4656200 (1987-04-01), Clubley et al.
patent: 4950757 (1990-08-01), Tomko et al.
Derwent Abstract of EPA 006,568, Jan. 9, 1980.
Chemical Abstract 89: 111478u (1978).

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