Isoquinoline or hydrogenated isoquinoline ring systems

Isoquinoline or hydrogenated isoquinoline ring 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 codeC07F9/62
Official titleIsoquinoline or hydrogenated isoquinoline ring systems
Display labelIsoquinoline or hydrogenated isoquinoline ring systems
Total patents39

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
20154
20166
20175
20182
20194
20205
20212
20223
20233
20243
20252

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 C07F9/62?
CPC C07F9/62 is the Cooperative Patent Classification code for “Isoquinoline or hydrogenated isoquinoline ring systems.”
How many patents are filed under CPC C07F9/62 (Isoquinoline or hydrogenated isoquinoline ring systems)?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC C07F9/62 growing?
Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).