Flame retardant combinations of hydroxyalkyl phosphine...

Details Flame retardant combinations of hydroxyalkyl phosphine... Flame retardant combinations of hydroxyalkyl phosphine...

2008-09-05

2011-12-27

Szekely, Peter (Department: 1761)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S129000, C524S139000

Reexamination Certificate

active

08084524

ABSTRACT:
The present invention relates to flame retardant polymer compositions which comprise combinations of hydroxyalkyl phosphine oxides with 1,3,5-triazine compounds and polyfunctional epoxide compounds. The compositions are in the form of epoxy laminates which are useful for the manufacture of prepregs, laminates for the preparation of printed circuit boards and printed wiring boards.

REFERENCES:
patent: 4345059 (1982-08-01), Fretz, Jr. et al.
patent: 2004/0025743 (2004-02-01), Wakizaka et al.
patent: 2005/0049339 (2005-03-01), Knop et al.
patent: 2007/0149635 (2007-06-01), Mutoh
patent: 2008/0171817 (2008-07-01), Peters et al.
patent: 38 33 977 (1990-04-01), None

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