IPC Main Group
C05B 13/00 Fertilisers produced by pyrogenic processes from phosphatic materials
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 13/02 from rock phosphates
- C05B 13/04 from metallic phosphorus compounds, e.g. ferro-phosphorus
- C05B 13/06 Alkali or alkaline earth meta- or polyphosphate fertilisers