containing rings

containing rings · 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 codeC07C59/13
Official titlecontaining rings
Display labelcontaining rings
Total patents46

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
20158
20167
20171
20183
20194
20203
20214
20227
20235
20254

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 C07C59/13?
CPC C07C59/13 is the Cooperative Patent Classification code for “containing rings.”
How many patents are filed under CPC C07C59/13 (containing rings)?
Our database includes 46 publications tagged with this CPC code.
Is patent activity under CPC C07C59/13 growing?
Publication counts under this code: 5 in 2023 vs 4 in 2025 (latest complete years).