Radicals substituted by halogen atoms or nitro or nitroso radicals

Radicals substituted by halogen atoms or nitro or nitroso radicals · 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 codeC07D333/12
Official titleRadicals substituted by halogen atoms or nitro or nitroso radicals
Display labelRadicals substituted by halogen atoms or nitro or nitroso radicals
Total patents47

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
20155
20165
20178
20186
20192
20205
20217
20222
20233
20243
20251

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 C07D333/12?
CPC C07D333/12 is the Cooperative Patent Classification code for “Radicals substituted by halogen atoms or nitro or nitroso radicals.”
How many patents are filed under CPC C07D333/12 (Radicals substituted by halogen atoms or nitro or nitroso radicals)?
Our database includes 47 publications tagged with this CPC code.
Is patent activity under CPC C07D333/12 growing?
Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).