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Separating metals from lead by precipitating, e.g. Parkes process

Separating metals from lead by precipitating, e.g. Parkes process · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

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CPC classification statistics
Metric	Value
CPC code	C22B13/08
Official title	Separating metals from lead by precipitating, e.g. Parkes process
Display label	Separating metals from lead by precipitating, e.g. Parkes process
Total patents	6

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

Filing activity over the last five years is stable.

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