B27K - CPC Classification

• B27K1/00 » Damping wood 26
• B27K2200/00 » Wooden materials to be treated 0
• B27K2240/00 » Purpose of the treatment 4
• B27K3/00 » Impregnating wood, {e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process} 8
• B27K5/00 » Treating of wood not provided for in groups 16
• B27K7/00 » Chemical or physical treatment of cork 15
• B27K9/00 » Chemical or physical treatment of reed, straw, or similar material 4