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Selective elimination of impurities {(C01B25/2343 takes precedence)}

Selective elimination of impurities {(C01B25/2343 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
MetricValue
CPC codeC01B25/237
Official titleSelective elimination of impurities {(C01B25/2343 takes precedence)}
Display labelSelective elimination of impurities {(C01B25/2343 takes precedence)}
Total patents6

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20151
20161
20171
20181
20252

Representative patents

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