Surface-active compounds containing F

Surface-active compounds containing F · 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 codeC11D1/004
Official title{Surface-active compounds containing F}
Display labelSurface-active compounds containing F
Total patents67

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
20156
20168
201711
201811
20197
20203
20214
20227
20233
20245
20252

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 C11D1/004?
CPC C11D1/004 is the Cooperative Patent Classification code for “Surface-active compounds containing F.”
How many patents are filed under CPC C11D1/004 (Surface-active compounds containing F)?
Our database includes 67 publications tagged with this CPC code.
Is patent activity under CPC C11D1/004 growing?
Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).