IPC Main Group
B32B 23/00 Layered products essentially comprising cellulosic plastic substances
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- LAYERED PRODUCTS
- Subclass:
- LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
7 direct subcodes
Child Classifications
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- B32B 23/02 in the form of fibres or filaments
- B32B 23/04 comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
- B32B 23/1 next to a fibrous or filamentary layer
- B32B 23/12 next to a particulate layer
- B32B 23/14 characterised by containing special compounding ingredients
- B32B 23/2 comprising esters
- B32B 23/22 comprising ethers