Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen

Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen · 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 codeC07D211/90
Official titleCarbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Display labelCarbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Total patents88

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
20158
20165
20179
201810
201913
20208
20216
20227
20235
20247
202510

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 C07D211/90?
CPC C07D211/90 is the Cooperative Patent Classification code for “Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen.”
How many patents are filed under CPC C07D211/90 (Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen)?
Our database includes 88 publications tagged with this CPC code.
Is patent activity under CPC C07D211/90 growing?
Publication counts under this code: 7 in 2024 vs 10 in 2025 (latest complete years).