Peri-condensed systems

Peri-condensed systems · 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 codeC07D487/16
Official titlePeri-condensed systems
Display labelPeri-condensed systems
Total patents336

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
201518
201621
201732
201836
201937
202027
202124
202239
202334
202427
202531
202610

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 C07D487/16?
CPC C07D487/16 is the Cooperative Patent Classification code for “Peri-condensed systems.”
How many patents are filed under CPC C07D487/16 (Peri-condensed systems)?
Our database includes 336 publications tagged with this CPC code.
Is patent activity under CPC C07D487/16 growing?
Publication counts under this code: 27 in 2024 vs 31 in 2025 (latest complete years).