Method for preparing an improved creosote wood preservative from

Details Method for preparing an improved creosote wood preservative from Method for preparing an improved creosote wood preservative from

1975-02-07

1976-08-10

Thomas, Jr., James O.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

106273R, 106273N, 106284, 260621R, 260627R, 260627H, 208 2, C07C 3736, C09D 1500

Patent

active

039739716

ABSTRACT:
An improved creosote wood preservative that has a light color and that forms a non-sticky crud deposit is prepared from a coal tar creosote. The coal tar creosote is reacted with one or more of the following groups of neutral compounds: paraformaldehyde, trioxane; or nitrobenzene, nitrotoluene, nitroxylene, tris (hydroxymethyl) nitromethane; or aluminum, zinc or sulfur, to produce a reacted creosote. This reacted creosote is distilled to yield a distillate, which is the improved creosote wood preservative, and a pitch residue.

REFERENCES:
patent: 2446250 (1948-08-01), Schuman
patent: 2764618 (1956-08-01), Cue

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