Wood treatment composition and process
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United States of America Patent
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Mar 10, 1992
Issued Date -
N/A
app pub date -
Aug 1, 1990
filing date -
Jan 30, 1987
priority date (Note) -
Expired
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Abstract
Compositions for flame proofing wood e.g. in the form of aqueous solutions containing tetrakis (hydroxymethyl) phosphonium salt, methylolmelamine with at least 3.5 optionally alkylated hydroxymethyl groups per melamine nucleus, a polyfunctional nitrogen compound with at least 2 N-H groups e.g. urea and a base e.g. triethanolamine.
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