Process for the preservation of wood products

Details Process for the preservation of wood products Process for the preservation of wood products

1985-12-30

1987-05-26

Lawrence, Evan K.

Coating processes

Vacuum utilized prior to or during coating

Organic base

427345, 427441, B27K 302, B05D 118

Patent

active

046685391

ABSTRACT:
The present invention relates to improvements in impregnated wood preserving processes utilizing naphthalene containing preservative agents comprising recovering that portion of the naphthalene stripped from the preservative agent during a drying phase in the process and returning said recovered naphthalene portion to the impregnation phase of said process.

REFERENCES:
patent: 247602 (1881-09-01), Boulton
patent: 1756797 (1930-04-01), Rawson
patent: 3874908 (1975-04-01), Liddell
patent: 4343840 (1982-08-01), Edwards et al.
Hunt, G. M. and Garratt, G. A., Wood Preservation, 1st ed., McGraw-Hill, 1938, pp. 99-100 and 123-124.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd ed., John Wiley & Sons, Inc., vol. 19, 1969, p. 679.

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