Carbon nanotubes

Carbon nanotubes · 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 codeC22C2026/002
Official title{Carbon nanotubes}
Display labelCarbon nanotubes
Total patents142

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
20158
201614
20177
201811
201917
202024
202114
202214
202319
20246
20258

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 C22C2026/002?
CPC C22C2026/002 is the Cooperative Patent Classification code for “Carbon nanotubes.”
How many patents are filed under CPC C22C2026/002 (Carbon nanotubes)?
Our database includes 142 publications tagged with this CPC code.
Is patent activity under CPC C22C2026/002 growing?
Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).