Two hetero atoms, in positions 3 and 5

Two hetero atoms, in positions 3 and 5 · 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 codeC07D253/075
Official titleTwo hetero atoms, in positions 3 and 5
Display labelTwo hetero atoms, in positions 3 and 5
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
201510
201611
201713
20187
20198
202010
20215
20223
20236
20241
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 C07D253/075?
CPC C07D253/075 is the Cooperative Patent Classification code for “Two hetero atoms, in positions 3 and 5.”
How many patents are filed under CPC C07D253/075 (Two hetero atoms, in positions 3 and 5)?
Our database includes 75 publications tagged with this CPC code.
Is patent activity under CPC C07D253/075 growing?
Publication counts under this code: 6 in 2023 vs 1 in 2024 (latest complete years).