with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms

with hydrocarbon radicals, substituted by singly bound oxygen or sulphur 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 codeC07D211/20
Official titlewith hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms
Display labelwith hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms
Total patents30

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
20154
20164
20173
20186
20194
20202
20215
20231
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 C07D211/20?
CPC C07D211/20 is the Cooperative Patent Classification code for “with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms.”
How many patents are filed under CPC C07D211/20 (with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms)?
Our database includes 30 publications tagged with this CPC code.
Is patent activity under CPC C07D211/20 growing?
Publication counts under this code: 1 in 2023 vs 1 in 2025 (latest complete years).