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Preparation by the ammonia-soda process {(C01D7/12 takes precedence)}

Preparation by the ammonia-soda process {(C01D7/12 takes precedence)} · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	C01D7/18
Official title	Preparation by the ammonia-soda process {(C01D7/12 takes precedence)}
Display label	Preparation by the ammonia-soda process {(C01D7/12 takes precedence)}
Total patents	9

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.