attached in position 4

attached in position 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 codeC07D211/62
Official titleattached in position 4
Display labelattached in position 4
Total patents416

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
201539
201651
201754
201857
201944
202027
202128
202229
202330
202431
202524
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 C07D211/62?
CPC C07D211/62 is the Cooperative Patent Classification code for “attached in position 4.”
How many patents are filed under CPC C07D211/62 (attached in position 4)?
Our database includes 416 publications tagged with this CPC code.
Is patent activity under CPC C07D211/62 growing?
Publication counts under this code: 31 in 2024 vs 24 in 2025 (latest complete years).