Hydroxyamines

Hydroxyamines · 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 codeC08G18/3271
Official title{Hydroxyamines}
Display labelHydroxyamines
Total patents193

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
201510
201614
201720
20187
201924
202022
202118
202221
202314
202419
202519
20265

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 C08G18/3271?
CPC C08G18/3271 is the Cooperative Patent Classification code for “Hydroxyamines.”
How many patents are filed under CPC C08G18/3271 (Hydroxyamines)?
Our database includes 193 publications tagged with this CPC code.
Is patent activity under CPC C08G18/3271 growing?
Publication counts under this code: 19 in 2024 vs 19 in 2025 (latest complete years).