Patent classifications
C
CHEMISTRY; METALLURGY
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C05
FERTILISERS; MANUFACTURE THEREOF
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C05B
PHOSPHATIC FERTILISERS
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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
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C05B11/10
using orthophosphoric acid
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