heterocyclic

heterocyclic · 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 codeC08G59/26
Official titleheterocyclic
Display labelheterocyclic
Total patents192

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
201516
20169
201713
201812
201923
202023
202118
202225
202317
202414
202515
20267

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 C08G59/26?
CPC C08G59/26 is the Cooperative Patent Classification code for “heterocyclic.”
How many patents are filed under CPC C08G59/26 (heterocyclic)?
Our database includes 192 publications tagged with this CPC code.
Is patent activity under CPC C08G59/26 growing?
Publication counts under this code: 14 in 2024 vs 15 in 2025 (latest complete years).