Immersed wood protection method and system
Impregnated wood
Impregnating agent
Impregnation composition for thermochemical modification of...
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