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refining, e.g. separation of metals obtained by the above methods

refining, e.g. separation of metals obtained by the above methods · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC22B47/009
Official title{refining, e.g. separation of metals obtained by the above methods}
Display labelrefining, e.g. separation of metals obtained by the above methods
Total patents4

Filing trend

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

Filing activity appears to be growing based on the most recent years.

Patents filed per year
YearPatents
20161
20231
20252

Representative patents

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