Process and apparatus for carbon nanotube formation
US-2021107790-A1 · Apr 15, 2021 · US
in liquid phase
in liquid phase · 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 | C01B32/166 |
| Official title | in liquid phase |
| Display label | in liquid phase |
| Total patents | 92 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 16 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 1 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing carbon nanotube complex and method of producing porous metal material
US-2020399130-A1 · Dec 24, 2020 · US
Nanometer Niobium Carbide/Carbon Nanotube Reinforced Diamond Composite And A Preparation Method Thereof
US-2020361777-A1 · Nov 19, 2020 · US
Carbon nanotubes decorated with carbon nanospheres
US-2020277193-A1 · Sep 3, 2020 · US
Method of making self-standing electrodes supported by carbon nanostructured filaments
US-2020239317-A1 · Jul 30, 2020 · US
Nanofibrous electrocatalyst including nanofibrous continuous network of graphitic nanofibers having embedded catalytically active metal moieties
US-10700361-B2 · Jun 30, 2020 · US
Method for producing synthetic diamonds
US-10556211-B2 · Feb 11, 2020 · US
Probe structure and method for producing probe structure
US-2020041543-A1 · Feb 6, 2020 · US
Methods and systems for production of doped carbon nanomaterials
US-2020032404-A1 · Jan 30, 2020 · US
Heteroatom-containing nanocarbon material, preparation method and use thereof, and method for dehydrogenation reaction of hydrocarbons
US-10537882-B2 · Jan 21, 2020 · US
Production method for thin film containing conductive carbon material
US-2019300369-A1 · Oct 3, 2019 · US
Carbon film and method for producing the same
US-10392254-B2 · Aug 27, 2019 · US
Method of making cohesive carbon assembly and its applications
US-10392255-B2 · Aug 27, 2019 · US
Carbon nanotube film and method for producing same
US-10207929-B2 · Feb 19, 2019 · US
Method of making cohesive carbon assembly and its applications
US-2019002290-A1 · Jan 3, 2019 · US
Method of making cohesive carbon assembly and its applications
US-10093544-B2 · Oct 9, 2018 · US
Process for purifying semiconducting single-walled carbon nanotubes
US-10046970-B2 · Aug 14, 2018 · US
Carbon Nanotube Foams with Controllable Architecture and Methods
US-2018201508-A1 · Jul 19, 2018 · US
High-density carbon nanotube-based monolith and related materials, methods, and devices
US-10014090-B2 · Jul 3, 2018 · US
Carbon film and method for producing same
US-2018065854-A1 · Mar 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/166?
- CPC C01B32/166 is the Cooperative Patent Classification code for “in liquid phase.”
- How many patents are filed under CPC C01B32/166 (in liquid phase)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/166 growing?
- Publication counts under this code: 1 in 2024 vs 6 in 2025 (latest complete years).