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Preparation, {separation or purification} of hydrogen cyanide {(C01C3/001 takes precedence)}

Preparation, {separation or purification} of hydrogen cyanide {(C01C3/001 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 codeC01C3/02
Official titlePreparation, {separation or purification} of hydrogen cyanide {(C01C3/001 takes precedence)}
Display labelPreparation, {separation or purification} of hydrogen cyanide {(C01C3/001 takes precedence)}
Total patents14

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20151
20161
20172
20192
20212
20221
20231
20242
20252

Representative patents

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