Title:
COMPOSITION FOR WOOD TREATMENT COMPRISING AN INJECTABLE AQUEOUS WOOD PRESERVATIVE SLURRY HAVING SPARINGLY-SOLUBLE BIOCIDAL PARTICLES AND PIGMENTS
Document Type and Number:
WIPO Patent Application WO2005115704
Kind Code:
A3
Abstract:
An aqueous wood-injectable particulate-based wood preservative comprising: 1) dispersants in an amount sufficient to maintain biocidal particles in a stable slurry; 2) injectable sub-micron biocidal particles comprising a solid phase of at least one of a sparingly soluble organic biocide, a sparingly soluble copper salt, copper(I)oxide, a sparingly soluble zinc salt, zinc oxide; a sparingly soluble nickel salt; and a sparingly soluble tin salt, wherein less than 2% by weight of the biocidal particles have an average diameter greater than 1 micron, and at least 20% by weight of the biocidal particles have an average diameter greater than 0.08 microns; and 3) at least one pigment particle or dye in an amount sufficient to impart a discernable color or hue to the wood, when compared to wood treated with the same particulate system but without the pigment.
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Inventors:
RICHARDSON WAYNE H (US)
HODGE RICHARD L (US)
GLOVER DWIGHT W (US)
POMPEO MICHAEL P (US)
HAYDEN CHRISTOPHER G (US)
HODGE RICHARD L (US)
GLOVER DWIGHT W (US)
POMPEO MICHAEL P (US)
HAYDEN CHRISTOPHER G (US)
Application Number:
PCT/US2005/017008
Publication Date:
January 26, 2006
Filing Date:
May 17, 2005
Export Citation:
Assignee:
PHIBRO TECH INC (US)
RICHARDSON WAYNE H (US)
HODGE RICHARD L (US)
GLOVER DWIGHT W (US)
POMPEO MICHAEL P (US)
HAYDEN CHRISTOPHER G (US)
RICHARDSON WAYNE H (US)
HODGE RICHARD L (US)
GLOVER DWIGHT W (US)
POMPEO MICHAEL P (US)
HAYDEN CHRISTOPHER G (US)
International Classes:
A01N59/20; B27K3/00; B27K3/08; (IPC1-7): B27K3/16; B27K3/34; B27K3/52; A01N25/04
Foreign References:
| US3968276A | 1976-07-06 | |||
| US20020051892A1 | 2002-05-02 | |||
| US20040258768A1 | 2004-12-23 | |||
| EP0577952A1 | 1994-01-12 |
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