attached in position 3 or 5

attached in position 3 or 5 · 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 codeC07D211/42
Official titleattached in position 3 or 5
Display labelattached in position 3 or 5
Total patents133

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201516
201612
201715
201814
201912
202010
20219
202215
202310
20248
202510
20262

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 C07D211/42?
CPC C07D211/42 is the Cooperative Patent Classification code for “attached in position 3 or 5.”
How many patents are filed under CPC C07D211/42 (attached in position 3 or 5)?
Our database includes 133 publications tagged with this CPC code.
Is patent activity under CPC C07D211/42 growing?
Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).