Use of flame retardant aqueous liquid composition in making...

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

C521S121000, C521S124000, C521S125000, C521S128000, C521S129000, C521S130000, C521S170000

Reexamination Certificate

active

08076385

ABSTRACT:
A flame retardant aqueous liquid composition containing water, guanidine sulfamate, a citric acid compound including a metal salt of citric acid, and a water soluble polymer. A flame retardant polyurethane foam is produced by a process including the steps of providing a mixture of the above flame retardant aqueous liquid composition with a polyol and an isocyanate, and reacting the mixture in the presence of a catalyst.

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patent: 2002-020755 (2002-01-01), None

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