Total organic carbon [TOC]

Total organic carbon [TOC] · 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 codeC02F2209/20
Official titleTotal organic carbon [TOC]
Display labelTotal organic carbon [TOC]
Total patents160

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
20159
20166
201715
201815
201923
202010
202113
20229
202314
202421
202520
20265

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 C02F2209/20?
CPC C02F2209/20 is the Cooperative Patent Classification code for “Total organic carbon [TOC].”
How many patents are filed under CPC C02F2209/20 (Total organic carbon [TOC])?
Our database includes 160 publications tagged with this CPC code.
Is patent activity under CPC C02F2209/20 growing?
Publication counts under this code: 21 in 2024 vs 20 in 2025 (latest complete years).