by oxidation (with ozone C07C45/40)

by oxidation (with ozone C07C45/40) · 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 codeC07C45/27
Official titleby oxidation (with ozone C07C45/40)
Display labelby oxidation (with ozone C07C45/40)
Total patents73

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
20155
20167
20179
201810
20199
202010
20213
20223
20238
20245
20254

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 C07C45/27?
CPC C07C45/27 is the Cooperative Patent Classification code for “by oxidation (with ozone C07C45/40).”
How many patents are filed under CPC C07C45/27 (by oxidation (with ozone C07C45/40))?
Our database includes 73 publications tagged with this CPC code.
Is patent activity under CPC C07C45/27 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).