Method for fusion of carbon nanostructures
US-2024199423-A1 · Jun 20, 2024 · US
characterised by catalysts
characterised by catalysts · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B32/162 |
| Official title | characterised by catalysts |
| Display label | characterised by catalysts |
| Total patents | 619 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 67 |
| 2016 | 51 |
| 2017 | 54 |
| 2018 | 55 |
| 2019 | 58 |
| 2020 | 63 |
| 2021 | 59 |
| 2022 | 51 |
| 2023 | 58 |
| 2024 | 52 |
| 2025 | 48 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Preparation of nitrogen-doped carbon tubes
US-9216900-B2 · Dec 22, 2015 · US
Method for producing carbon nanotubes using protein polymer
US-2015353359-A1 · Dec 10, 2015 · US
Method for making carbon nanotubes
US-9206049-B2 · Dec 8, 2015 · US
Method for producing conductive film
US-2015340117-A1 · Nov 26, 2015 · US
Carbon nanotube foams with controllable mechanical properties
US-2015329961-A1 · Nov 19, 2015 · US
Method of manufacturing carbon nanotubes
US-2015321917-A1 · Nov 12, 2015 · US
Continuous process for the production of nanostructures including nanotubes
US-9181639-B2 · Nov 10, 2015 · US
Preparation of array of long carbon nanotubes and fibers therefrom
US-9181098-B2 · Nov 10, 2015 · US
Synthesis of high quality carbon single-walled nanotubes
US-9174847-B2 · Nov 3, 2015 · US
Organic/inorganic composite comprising three-dimensional carbon nanotube networks, method for preparing the organic/inorganic composite and electronic device using the organic/inorganic composite
US-9177745-B2 · Nov 3, 2015 · US
Method for controlling bulk density of carbon nanotube agglomerate
US-2015298974-A1 · Oct 22, 2015 · US
Apparatus for manufacturing carbon nanostructure and method for manufacturing carbon nanostructure
US-9162891-B2 · Oct 20, 2015 · US
Method for manufacturing carbon nanotube film
US-9156697-B2 · Oct 13, 2015 · US
Carbon nanotube having high specific surface area and method for manufacturing same
US-2015274529-A1 · Oct 1, 2015 · US
Catalyst for producing carbon nanotubes and carbon nanotubes produced using same
US-2015273441-A1 · Oct 1, 2015 · US
Carbon nanostructures from pyrolysis of organic materials
US-2015266738-A1 · Sep 24, 2015 · US
Catalyst for forming carbon nanotubes
US-9138728-B2 · Sep 22, 2015 · US
Fine-grained targets for laser synthesis of carbon nanotubes
US-9133032-B2 · Sep 15, 2015 · US
Reactor system for the production of carbon allotropes
US-2015246813-A1 · Sep 3, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/162?
- CPC C01B32/162 is the Cooperative Patent Classification code for “characterised by catalysts.”
- How many patents are filed under CPC C01B32/162 (characterised by catalysts)?
- Our database includes 619 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/162 growing?
- Publication counts under this code: 52 in 2024 vs 48 in 2025 (latest complete years).