Oxides; Hydroxides; Carbonates or bicarbonates

Oxides; Hydroxides; Carbonates or bicarbonates · 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 codeC10M2201/062
Official titleOxides; Hydroxides; Carbonates or bicarbonates
Display labelOxides; Hydroxides; Carbonates or bicarbonates
Total patents427

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201530
201636
201728
201877
201957
202057
202147
202227
202325
202420
202520
20263

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C10M2201/062?
CPC C10M2201/062 is the Cooperative Patent Classification code for “Oxides; Hydroxides; Carbonates or bicarbonates.”
How many patents are filed under CPC C10M2201/062 (Oxides; Hydroxides; Carbonates or bicarbonates)?
Our database includes 427 publications tagged with this CPC code.
Is patent activity under CPC C10M2201/062 growing?
Publication counts under this code: 20 in 2024 vs 20 in 2025 (latest complete years).