in which the condensed system contains two hetero rings

in which the condensed system contains two hetero 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 codeC07D487/02
Official titlein which the condensed system contains two hetero rings
Display labelin which the condensed system contains two hetero rings
Total patents76

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
20157
20168
20176
20184
201913
202013
20216
20227
20233
20246
20252
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 C07D487/02?
CPC C07D487/02 is the Cooperative Patent Classification code for “in which the condensed system contains two hetero rings.”
How many patents are filed under CPC C07D487/02 (in which the condensed system contains two hetero rings)?
Our database includes 76 publications tagged with this CPC code.
Is patent activity under CPC C07D487/02 growing?
Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).