IPC Subgroup
C05B 11/04 using mineral acid
Introduced: September 1968
Last revised: January 2006
Full Title
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 > using mineral acid
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- PHOSPHATIC FERTILISERS
5 direct subcodes
Child Classifications
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- C05B 11/06 using nitric acid (nitrophosphates)
- C05B 11/08 using sulfuric acid
- C05B 11/1 using orthophosphoric acid
- C05B 11/12 using aqueous hydrochloric acid
- C05B 11/14 using wet gaseous acids