Benzo [c] furans; Hydrogenated benzo [c] furans

Benzo [c] furans; Hydrogenated benzo [c] furans · 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 codeC07D307/87
Official titleBenzo [c] furans; Hydrogenated benzo [c] furans
Display labelBenzo [c] furans; Hydrogenated benzo [c] furans
Total patents75

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201511
201610
201711
20185
20198
20205
20218
20226
20234
20245
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 C07D307/87?
CPC C07D307/87 is the Cooperative Patent Classification code for “Benzo [c] furans; Hydrogenated benzo [c] furans.”
How many patents are filed under CPC C07D307/87 (Benzo [c] furans; Hydrogenated benzo [c] furans)?
Our database includes 75 publications tagged with this CPC code.
Is patent activity under CPC C07D307/87 growing?
Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).