Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-2021277528-A1 · Sep 9, 2021 · US
Preparation
Preparation · 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 | C01B32/154 |
| Official title | Preparation |
| Display label | Preparation |
| Total patents | 107 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 13 |
| 2017 | 15 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 12 |
| 2022 | 5 |
| 2023 | 14 |
| 2024 | 9 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-2021230758-A1 · Jul 29, 2021 · US
Growth of carbon-based nanostructures using active growth materials comprising alkali metals and/or alkaline earth metals
US-2020299135-A1 · Sep 24, 2020 · US
Continuous combustion production equipment for synthesizing ton-grade fullerenes and a synthetic process therefor
US-2020198972-A1 · Jun 25, 2020 · US
Sustainable, facile separation of the molten carbonate electrolysis cathode product
US-2020149173-A1 · May 14, 2020 · US
Carbon film and method of producing same, and fibrous carbon nanostructure dispersion liquid and method of producing same
US-10611640-B2 · Apr 7, 2020 · US
Method for producing fullerene derivative
US-2020095209-A1 · Mar 26, 2020 · US
Method for producing fullerene derivative
US-10526293-B2 · Jan 7, 2020 · US
High throughput methane pyrolysis reactor for low-cost hydrogen production
US-2020002165-A1 · Jan 2, 2020 · US
Methods of treating graphitic materials and of preparing colloidal solutions including graphitic materials
US-2019337807-A1 · Nov 7, 2019 · US
Feedstocks for forming carbon allotropes
US-10351974-B2 · Jul 16, 2019 · US
Carbon allotropes
US-2019047863-A1 · Feb 14, 2019 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-10196271-B2 · Feb 5, 2019 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-2019002283-A1 · Jan 3, 2019 · US
Carbon allotropes
US-10112837-B2 · Oct 30, 2018 · US
FULLERENE DERIVATIVE AND n-TYPE SEMICONDUCTOR MATERIAL
US-2018282274-A1 · Oct 4, 2018 · US
Carbon allotropes
US-2018273386-A1 · Sep 27, 2018 · US
Fullerene compositions
US-10029020-B2 · Jul 24, 2018 · US
Fullerene compositions
US-2018133344-A1 · May 17, 2018 · US
Carbon film and method of producing same, and fibrous carbon nanostructure dispersion liquid and method of producing same
US-2018127273-A1 · May 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/154?
- CPC C01B32/154 is the Cooperative Patent Classification code for “Preparation.”
- How many patents are filed under CPC C01B32/154 (Preparation)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/154 growing?
- Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).