Photochemical reactors and methods for modification of carbon nanomaterials
US-10358352-B1 · Jul 23, 2019 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B31/0266 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 16 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for purifying semiconducting single-walled carbon nanotubes
US-10046970-B2 · Aug 14, 2018 · US
Apparatus for selective deposition of nanotubes, using a charging element, a template and a filter
US-10005671-B2 · Jun 26, 2018 · US
Methods of making and purifying carbon nanotubes
US-9868638-B2 · Jan 16, 2018 · US
Methods of Making and Purifying Carbon Nanotubes
US-2017260053-A1 · Sep 14, 2017 · US
Methods of making and purifying carbon nanotubes
US-9688537-B2 · Jun 27, 2017 · US
Methods for separating carbon nanotubes
US-2017137291-A1 · May 18, 2017 · US
Fractionating nanomaterials by a liquid multiphase composition
US-9545584-B2 · Jan 17, 2017 · US
Apparatus for selective deposition of nanotubes, using a charging element, a template and a filter
US-2016368771-A1 · Dec 22, 2016 · US
Applying spatial gradient magnetic field to metallic/semiconducting SWNTs in fluid
US-9517938-B2 · Dec 13, 2016 · US
Method of selective separation of semiconducting carbon nanotubes, dispersion of semiconducting carbon nanotubes, and electronic device including carbon nanotubes separated by using the method
US-9502152-B2 · Nov 22, 2016 · US
Method of separating and recovering optically active carbon nanotube, and optically active carbon nanotube
US-2016280547-A1 · Sep 29, 2016 · US
Isolating semiconducting single-walled nanotubes or metallic single-walled nanotubes and approaches therefor
US-2016280548-A1 · Sep 29, 2016 · US
Methods of enriching different species of carbon nanotubes
US-9428392-B2 · Aug 30, 2016 · US
Isolation of single-walled carbon nanotubes from double and multi-walled carbon nanotubes
US-9409102-B2 · Aug 9, 2016 · US
Methods of making and purifying carbon nanotubes
US-2016221829-A1 · Aug 4, 2016 · US
Compositions, methods, and systems for separating carbon-based nanostructures
US-9403684-B2 · Aug 2, 2016 · US
Method of separating carbon nanotubes
US-9394262-B2 · Jul 19, 2016 · US
Process for purifying semiconducting single-walled carbon nanotubes
US-2016200578-A1 · Jul 14, 2016 · US
Method for separating metallic single-walled carbon nanotube from semiconductive single-walled carbon nanotube
US-2016137505-A1 · May 19, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B31/0266?
- CPC C01B31/0266 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B31/0266 (Chemistry & Metallurgy)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C01B31/0266 growing?
- Publication counts under this code: 3 in 2018 vs 1 in 2019 (latest complete years).