Fire and heat resistant structures

Details Fire and heat resistant structures Fire and heat resistant structures

1978-01-03

1979-09-18

Ansher, Harold

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156272, 427 42, 427 45, 428411, 428913, 428921, C09K 328, E04B 194, B32B 3128

Patent

active

041683471

ABSTRACT:
Fire and heat resistant structures made by the use of fire retardant compositions of the type involving the reaction of phosphoric acid and a reducing sugar are rendered insensitive to moisture by heat curing using high frequency electric current during the production of the fire and heat resistance structures.

REFERENCES:
patent: 2881088 (1959-04-01), Schalenburg
patent: 2912393 (1959-11-01), Stilbert et al.
patent: 3312565 (1967-04-01), Rayner et al.
patent: 3824200 (1974-07-01), Matalon
patent: 3884742 (1975-05-01), Roberts
patent: 3914513 (1975-10-01), Brown et al.
patent: 3934066 (1976-01-01), Murch
patent: 3954537 (1976-05-01), Alfter et al.
patent: 3973074 (1976-08-01), DE Lissa et al.
patent: 4104433 (1978-08-01), Kirk et al.

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