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Refining zinc

Refining zinc · 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 codeC22B19/32
Official titleRefining zinc
Display labelRefining zinc
Total patents14

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
20163
20172
20192
20201
20232
20243

Representative patents

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