with one oxygen atom directly attached in position 1 or 3

with one oxygen atom directly attached in position 1 or 3 · 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 codeC07D307/88
Official titlewith one oxygen atom directly attached in position 1 or 3
Display labelwith one oxygen atom directly attached in position 1 or 3
Total patents90

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
201515
201610
20177
20184
20196
20205
202111
20228
20234
202412
20257
20261

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 C07D307/88?
CPC C07D307/88 is the Cooperative Patent Classification code for “with one oxygen atom directly attached in position 1 or 3.”
How many patents are filed under CPC C07D307/88 (with one oxygen atom directly attached in position 1 or 3)?
Our database includes 90 publications tagged with this CPC code.
Is patent activity under CPC C07D307/88 growing?
Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).