in which the condensed system contains three hetero rings

in which the condensed system contains three 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 codeC07D495/12
Official titlein which the condensed system contains three hetero rings
Display labelin which the condensed system contains three hetero rings
Total patents51

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20156
20165
20178
20185
20195
20208
20213
20224
20233
20242
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 C07D495/12?
CPC C07D495/12 is the Cooperative Patent Classification code for “in which the condensed system contains three hetero rings.”
How many patents are filed under CPC C07D495/12 (in which the condensed system contains three hetero rings)?
Our database includes 51 publications tagged with this CPC code.
Is patent activity under CPC C07D495/12 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).