Particle size between 100-1000 nm

Particle size between 100-1000 nm · 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 codeC09D7/68
Official title{Particle size between 100-1000 nm}
Display labelParticle size between 100-1000 nm
Total patents895

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
201561
201665
201781
201876
201990
202087
202185
202291
202371
202483
202587
202618

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 C09D7/68?
CPC C09D7/68 is the Cooperative Patent Classification code for “Particle size between 100-1000 nm.”
How many patents are filed under CPC C09D7/68 (Particle size between 100-1000 nm)?
Our database includes 895 publications tagged with this CPC code.
Is patent activity under CPC C09D7/68 growing?
Publication counts under this code: 83 in 2024 vs 87 in 2025 (latest complete years).