Flame retardant bromobenzyl systems

Details Flame retardant bromobenzyl systems Flame retardant bromobenzyl systems

2006-11-16

2009-10-20

Szekely, Peter (Department: 1796)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S464000, C570S182000, C570S184000, C570S185000, C570S199000, C570S252000, C570S254000

Reexamination Certificate

active

07605207

ABSTRACT:
Polybrominated bisaryl compounds containing bromomethyl or bromomethylene groups are provided, as well as flameproof polymeric formulations comprising the compounds. The novel compounds exhibit a good thermal stability, and are particularly suitable for flame-retarding polystyrene thermoplastic foams. A process for making the polybrominated bisaryl compounds is also provided.

REFERENCES:
patent: 5639799 (1997-06-01), Books et al.
patent: 5717001 (1998-02-01), Books et al.
patent: 6579911 (2003-06-01), Vo et al.
patent: 2005/0043464 (2005-02-01), Pederson
patent: 1364397 (1974-08-01), None
patent: WO 91/19758 (1991-12-01), None
PCT/IL06/01327 Search Report dated Jun. 19, 2008.

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