Cyclic disphosphoric esters, a process for their preparation and

Details Cyclic disphosphoric esters, a process for their preparation and Cyclic disphosphoric esters, a process for their preparation and

1996-07-15

1998-12-22

Ambrose, Michael G.

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

Organic compounds

Phosphorus esters

524117, C07F 96574

Patent

active

058521976

ABSTRACT:
The invention relates to cyclic diphosphoric esters of the formula ##STR1## with R=methylethylene, 1,3-cyclohexylene, 1,4-cyclo-hexylene or 1,3-phenylene, a process for their preparation and their use as flame retardants.

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patent: 2952701 (1960-09-01), McConnell et al.
patent: 2974158 (1961-03-01), Lanham
patent: 3965220 (1976-06-01), Schumacher
patent: 3970635 (1976-07-01), Lawton et al.
patent: 4388431 (1983-06-01), Mauric et al.
patent: 4458431 (1984-07-01), Mauric et al.
patent: 5401788 (1995-03-01), Tokuyasu et al.

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