Vacuum cooled foams

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

Reexamination Certificate

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Details

C521S107000, C521S108000, C521S123000, C521S128000, C521S130000, C521S170000, C521S174000

Reexamination Certificate

active

07008973

ABSTRACT:
A flexible, flame-retarded, polyurethane foam comprising brominated and/or phosphorous flame retardants and an acid scavenger.

REFERENCES:
patent: 3957702 (1976-05-01), Molotsky et al.
patent: 4748192 (1988-05-01), Smith
patent: 5171756 (1992-12-01), Ricciardi et al.
patent: 5194453 (1993-03-01), Jourquin et al.
patent: 5637757 (1997-06-01), Hill et al.
patent: 5728760 (1998-03-01), Rose et al.
patent: 5958993 (1999-09-01), Blundell et al.
patent: 6765035 (2004-07-01), Eling et al.

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