attached in position 2 or 4

attached in position 2 or 4 · 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 codeC07D215/22
Official titleattached in position 2 or 4
Display labelattached in position 2 or 4
Total patents243

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
201532
201620
201724
201824
201922
202024
202128
202214
202319
202417
202518
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 C07D215/22?
CPC C07D215/22 is the Cooperative Patent Classification code for “attached in position 2 or 4.”
How many patents are filed under CPC C07D215/22 (attached in position 2 or 4)?
Our database includes 243 publications tagged with this CPC code.
Is patent activity under CPC C07D215/22 growing?
Publication counts under this code: 17 in 2024 vs 18 in 2025 (latest complete years).