Wood treatment composition and process

B - Operations – Transporting – 27 – K

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6/14

B27K 3/50 (2006.01) B27K 3/15 (2006.01)

Patent

CA 1298942

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.

557695

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