IPC Subgroup
B27K 3/16 Inorganic impregnating agents
Introduced: September 1968
Last revised: January 2006
Full Title
Impregnating wood, e.g. for protection > Inorganic impregnating agents
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- Subclass:
- 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
8 direct subcodes
Child Classifications
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- B27K 3/18 Compounds of alkaline earth metals
- B27K 3/2 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 3/3 Compounds of fluorine
- B27K 3/32 Mixtures of different inorganic impregnating agents