IPC Subgroup
C05B 1/06 Ammoniation of superphosphates
Introduced: September 1968
Last revised: January 2006
Full Title
Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly > Ammoniation of superphosphates
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- PHOSPHATIC FERTILISERS