IPC Classification
- All sections
- B - Performing operations; transporting
- B27K - Processes, apparatus or selection of substances for impregnating, staining, dyeing or bleaching of wood, or for treating of wood with permeant liquids, not otherwise provided for; chemical or physical treatment of cork, cane, reed, straw or similar materials
B27K 1/00 | Dampening wood |
B27K 1/02 | Apparatus |
B27K 3/00 | Impregnating wood, e.g. for protection |
B27K 3/02 | Processes; Apparatus |
B27K 3/04 | Impregnating in open tanks |
B27K 3/06 | Sap stream methods |
B27K 3/08 | Impregnating by pressure |
B27K 3/10 | Apparatus |
B27K 3/12 | Impregnating by coating the surface of the wood with an impregnating paste |
B27K 3/14 | Bandage methods |
B27K 3/15 | Impregnating involving polymerisation |
B27K 3/16 | Inorganic impregnating agents |
B27K 3/18 | Compounds of alkaline earth metals |
B27K 3/20 | Compounds of alkali metals or ammonium |
B27K 3/22 | Compounds of zinc or copper |
B27K 3/24 | Compounds of mercury |
B27K 3/26 | Compounds of iron, aluminium, or chromium |
B27K 3/28 | Compounds of arsenic or antimony |
B27K 3/30 | Compounds of fluorine |
B27K 3/32 | Mixtures of different inorganic impregnating agents |
B27K 3/34 | Organic impregnating agents |
B27K 3/36 | Aliphatic compounds |
B27K 3/38 | Aromatic compounds |
B27K 3/40 | Aromatic compounds halogenated |
B27K 3/42 | Aromatic compounds nitrated, or nitrated and halogenated |
B27K 3/44 | Tar; Mineral oil |
B27K 3/46 | Coal tar |
B27K 3/48 | Mineral oil |
B27K 3/50 | Mixtures of different organic impregnating agents |
B27K 3/52 | Impregnating agents containing mixtures of inorganic and organic compounds |
B27K 5/00 | Staining or dyeing wood; Bleaching wood; Treating of wood not provided for in groups or |
B27K 5/02 | Staining or dyeing wood; Bleaching wood |
B27K 5/04 | Combined bleaching or impregnating and drying of wood |
B27K 5/06 | Softening or hardening wood |
B27K 7/00 | Chemical or physical treatment of cork |
B27K 9/00 | Chemical or physical treatment of reed, straw, or similar material |