One step process for imparting decay resistance and fire retardancy to wood products
US5185214A · kind A · utility
40Cited by
22References
19Claims
0Family size
Inventors
Key dates
| Filing date | Jun 12, 1991 |
| Grant date | Feb 9, 1993 |
| Priority date | — |
| Expiry date | Jun 12, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/662
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A one step process for imparting both decay resistance and fire retardancy to wood and cellulosic materials by impregnating the products 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.