Phosphorous containing materials, their preparation and use

Details Phosphorous containing materials, their preparation and use Phosphorous containing materials, their preparation and use

2006-01-10

2006-01-10

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phosphorus-containing reactant

C528S398000, C528S486000, C528S489000, C528S501000, C528S50200C

Reexamination Certificate

active

06984717

ABSTRACT:
The present invention is directed towards phosphorous containing organic materials, processes for making them and uses thereof. These materials preferably impart and/or exhibit resistance to attack, for example they may be useful as flame retardant additives and/or materials. The materials are especially radiation-curable polyester polymers. The phosphorous component used has at least one P—C bond resistant to hydrolysis or transesterification. It can be bis(hydroxymethyl)isobutylphosphineoxide, bis(hydroxypropyl)isobutylphosphine oxide and trishydroxymethylphosphine oxide. In other embodiments, it is 9,10-dihydro-9-oxa-10-phosphaphenantrene-10-oxide.

REFERENCES:
patent: 5650531 (1997-07-01), Chang et al.
patent: 0 510 743 (1992-10-01), None
patent: 1 575 157 (1980-09-01), None

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