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Acids; Carbonic acids, e.g. from carbon dioxide

Acids; Carbonic acids, e.g. from carbon dioxide · 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 codeC04B22/103
Official title{Acids; Carbonic acids, e.g. from carbon dioxide}
Display labelAcids; Carbonic acids, e.g. from carbon dioxide
Total patents20

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20171
20192
20202
20213
20223
20233
20244
20251
20261

Representative patents

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