with substituted hydrocarbon radicals, directly attached to ring carbon atoms

with substituted hydrocarbon radicals, directly attached to ring carbon atoms · 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 codeC07D233/20
Official titlewith substituted hydrocarbon radicals, directly attached to ring carbon atoms
Display labelwith substituted hydrocarbon radicals, directly attached to ring carbon atoms
Total patents29

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
20152
20163
20173
20185
20196
20202
20212
20222
20233
20241

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 C07D233/20?
CPC C07D233/20 is the Cooperative Patent Classification code for “with substituted hydrocarbon radicals, directly attached to ring carbon atoms.”
How many patents are filed under CPC C07D233/20 (with substituted hydrocarbon radicals, directly attached to ring carbon atoms)?
Our database includes 29 publications tagged with this CPC code.
Is patent activity under CPC C07D233/20 growing?
Publication counts under this code: 3 in 2023 vs 1 in 2024 (latest complete years).