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Channel black {; Preparation thereof (separation or recovery C09C1/487)}

Channel black {; Preparation thereof (separation or recovery C09C1/487)} · 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 codeC09C1/52
Official titleChannel black {; Preparation thereof (separation or recovery C09C1/487)}
Display labelChannel black {; Preparation thereof (separation or recovery C09C1/487)}
Total patents9

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20151
20171
20182
20211
20231
20253

Representative patents

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