by oxidation with ozone; by ozonolysis

by oxidation with ozone; by ozonolysis · 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 codeC07C45/40
Official titleby oxidation with ozone; by ozonolysis
Display labelby oxidation with ozone; by ozonolysis
Total patents50

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
20153
20165
201712
20183
201910
20206
20213
20234
20243
20251

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 C07C45/40?
CPC C07C45/40 is the Cooperative Patent Classification code for “by oxidation with ozone; by ozonolysis.”
How many patents are filed under CPC C07C45/40 (by oxidation with ozone; by ozonolysis)?
Our database includes 50 publications tagged with this CPC code.
Is patent activity under CPC C07C45/40 growing?
Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).