having at least one oxygen or sulfur atom directly attached to an aromatic ring system

having at least one oxygen or sulfur atom directly attached to an aromatic ring system · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA01N33/10
Official titlehaving at least one oxygen or sulfur atom directly attached to an aromatic ring system
Display labelhaving at least one oxygen or sulfur atom directly attached to an aromatic ring system
Total patents49

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
20167
20176
20185
20197
20207
20211
20221
20244
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 A01N33/10?
CPC A01N33/10 is the Cooperative Patent Classification code for “having at least one oxygen or sulfur atom directly attached to an aromatic ring system.”
How many patents are filed under CPC A01N33/10 (having at least one oxygen or sulfur atom directly attached to an aromatic ring system)?
Our database includes 49 publications tagged with this CPC code.
Is patent activity under CPC A01N33/10 growing?
Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).