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ONE STEP PROCESS FOR IMPARTING DECAY RESISTANCE AND FIRE RETARDANCY TO WOOD PRODUCTS
Patent Number: 5185214
Docket Number: 145787
Serial Number: 7714402
Date Patented: 02/09/1993
Forest Service
Issued:
February 9, 1993
Abstract:
A one step process for treating wood and cellulosic materials for both decay resistance and fire retardancy. The
products are impregnated with a treatment solution composed of a water soluble mixture of a tertiary and
quaternary ammonium preservative compound and an organic phosphate fire retardant compound.
Inventors:
Sue L. LeVan
USDA/Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53705-2398
(608) 231-9493 |
Rodney DeGroot (retired) |
Industry Keywords:
decay resistance, fire retardant, cellulosic, water soluble, ammonium, phosphate, preservative
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