Metal hydroxide derivatives containing chemically bound...

Details Metal hydroxide derivatives containing chemically bound... Metal hydroxide derivatives containing chemically bound...

2006-03-29

2009-06-23

Kopec, Mark (Department: 1796)

Compositions

Fire retarding

For solid synthetic polymer and reactants thereof

C252S601000, C252S610000, C423S299000, C423S306000, C523S205000

Reexamination Certificate

active

07550099

ABSTRACT:
Novel metal hydroxide derivatives which chemically combine positively charged metal hydroxide layers with negatively charged phosphorus-containing species, which can be either anionic organophosphorus materials or phosphorus-containing polymeric anions, are described. The metal hydroxide derivatives are useful flame retardants through their ability to be completely dispersed and their formation of a crust or char to prevent flame propagation.

REFERENCES:
patent: 4729854 (1988-03-01), Miyata et al.
patent: 5730951 (1998-03-01), Martin et al.
patent: 6291570 (2001-09-01), Katsuki et al.
patent: 2003/0158319 (2003-08-01), Stelandre et al.
patent: 0 656 634 (1995-06-01), None
PCT Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration dated Oct. 5, 2006.

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