Y being a hetero atom

Y being a hetero atom · 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 codeC07C271/66
Official titleY being a hetero atom
Display labelY being a hetero atom
Total patents40

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
20152
20166
20175
20184
20196
20203
20214
20221
20232
20242
20255

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 C07C271/66?
CPC C07C271/66 is the Cooperative Patent Classification code for “Y being a hetero atom.”
How many patents are filed under CPC C07C271/66 (Y being a hetero atom)?
Our database includes 40 publications tagged with this CPC code.
Is patent activity under CPC C07C271/66 growing?
Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).