containing two hetero rings

containing 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 codeC07D405/02
Official titlecontaining two hetero rings
Display labelcontaining two hetero rings
Total patents50

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
20151
20163
20177
20185
201910
20206
20217
20225
20231
20245

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 C07D405/02?
CPC C07D405/02 is the Cooperative Patent Classification code for “containing two hetero rings.”
How many patents are filed under CPC C07D405/02 (containing two hetero rings)?
Our database includes 50 publications tagged with this CPC code.
Is patent activity under CPC C07D405/02 growing?
Publication counts under this code: 1 in 2023 vs 5 in 2024 (latest complete years).