Impregnation method and apparatus with improved pressure...
Impregnation of a lignocellulosic material
Impregnation of fluid-permeable bodies
Impregnation of timber
Impregnation process
Improved coated wood articles and method of manufacture
Improved fire retardant
Improved micronized wood preservative compositions
Improvements in preservatives for wood-based products
Improvements relating to wood drying
Injection means
Integrated method for protecting logs and green lumber from...
Iron stain inhibitors
Isothiazolone/amine oxide wood preservatives
Leachproof fire-resistant complex for cellulosic substrates
Lignocellulosic material which is low in formaldehyde and...
Linear heat-hardenable copolymerizate
Liquid injector
Long-chain quaternary ammonium compounds as wood treatment...
Low leaching compositions for wood