as doubly bound oxygen atom or as unsubstituted hydroxy radical

as doubly bound oxygen atom or as unsubstituted hydroxy radical · 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 codeC07D239/36
Official titleas doubly bound oxygen atom or as unsubstituted hydroxy radical
Display labelas doubly bound oxygen atom or as unsubstituted hydroxy radical
Total patents236

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
201517
201625
201743
201830
201919
202026
202117
202218
202317
202416
20256
20262

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 C07D239/36?
CPC C07D239/36 is the Cooperative Patent Classification code for “as doubly bound oxygen atom or as unsubstituted hydroxy radical.”
How many patents are filed under CPC C07D239/36 (as doubly bound oxygen atom or as unsubstituted hydroxy radical)?
Our database includes 236 publications tagged with this CPC code.
Is patent activity under CPC C07D239/36 growing?
Publication counts under this code: 16 in 2024 vs 6 in 2025 (latest complete years).