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 codeC07D517/16
Official titlePeri-condensed systems
Display labelPeri-condensed systems
Total patents25

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20181
20202
20212
20223
20234
20246
20256
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 C07D517/16?
CPC C07D517/16 is the Cooperative Patent Classification code for “Peri-condensed systems.”
How many patents are filed under CPC C07D517/16 (Peri-condensed systems)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC C07D517/16 growing?
Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).