Heavy duty aqueous wood preservative

Details Heavy duty aqueous wood preservative Heavy duty aqueous wood preservative

1973-05-21

1976-03-23

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

106243, 424134, 424141, 427440, C09D 514

Patent

active

039458350

ABSTRACT:
An aqueous wood treating and/or preservative composition is provided. The composition has a pH of 9 or more. Of the ions present in the composition, the cations are copper ammonium and/or zinc ammonium ions, while the anions include arsenic or arsenious ions, as well as further anions of an acid ester of phosphoric acid or carbonate or bicarbonate or both such acid ester of phosphoric acid and a, which anions have a solubility of .gtoreq.0.2% in concentrated (28%) aqueous ammonia. The further anions are derived from components which are insoluble in water. Wood treating procedures and treated wood products so-provided are also provided.

REFERENCES:
patent: 2310257 (1943-02-01), Ritter
patent: 2414661 (1947-01-01), Nikitin
patent: 2423619 (1947-07-01), Roon
patent: 2573252 (1951-10-01), Farber
Rose, The Condensed Chemical Dictionary, 7th Ed., N.Y. Van Nostrand Reinhold Company, 1966. (pp. 247 and 1031 relied on).

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