IPC Main Group
B32B 11/00 Layered products essentially comprising bituminous or tarry 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
4 direct subcodes
Child Classifications
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- B32B 11/02 with fibres or particles embedded in it or bonded with it
- B32B 11/04 comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
- B32B 11/1 next to a fibrous or filamentary layer
- B32B 11/12 next to a particulate layer