Patent classifications
C
CHEMISTRY; METALLURGY
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C05
FERTILISERS; MANUFACTURE THEREOF
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C05B
PHOSPHATIC FERTILISERS
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1/00
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
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C05B1/04
Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
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