IPC Main Group
C05B 11/00 Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- PHOSPHATIC FERTILISERS
3 direct subcodes
Child Classifications
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- C05B 11/02 Pretreatment
- C05B 11/04 using mineral acid
- C05B 11/16 using alkaline lyes