with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2

with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2 · 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 codeC07D235/06
Official titlewith only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
Display labelwith only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
Total patents347

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
201539
201648
201743
201836
201940
202035
202124
202219
202322
202422
202518
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 C07D235/06?
CPC C07D235/06 is the Cooperative Patent Classification code for “with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2.”
How many patents are filed under CPC C07D235/06 (with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2)?
Our database includes 347 publications tagged with this CPC code.
Is patent activity under CPC C07D235/06 growing?
Publication counts under this code: 22 in 2024 vs 18 in 2025 (latest complete years).