Method of making boron nitride nanotubes and reaction chamber therefore
US-2025243060-A1 · Jul 31, 2025 · US
Compounds containing boron and nitrogen, e.g. borazoles (ammonium tetrafluoborates C01B35/063; ammonium borates C01B35/12)
Compounds containing boron and nitrogen, e.g. borazoles (ammonium tetrafluoborates C01B35/063; ammonium borates C01B35/12) · 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 | C01B35/146 |
| Official title | {Compounds containing boron and nitrogen, e.g. borazoles (ammonium tetrafluoborates C01B35/063; ammonium borates C01B35/12)} |
| Display label | Compounds containing boron and nitrogen, e.g. borazoles (ammonium tetrafluoborates C01B35/063; ammonium borates C01B35/12) |
| Total patents | 58 |
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 | 3 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flash joule heating for production of 1d carbon and/or boron nitride nanomaterials
US-2025236521-A1 · Jul 24, 2025 · US
Process and apparatus for purifying BNNT
US-12172889-B2 · Dec 24, 2024 · US
Hexagonal Boron Nitride Aggregated Particles, Hexagonal Boron Nitride Powder, Resin Composition, and Resin Sheet
US-2024308861-A1 · Sep 19, 2024 · US
Hexagonal Boron Nitride Powder and Method for Producing the Same
US-2024150186-A1 · May 9, 2024 · US
Solid electrolyte and method for manufacturing same
US-11901507-B2 · Feb 13, 2024 · US
Amorphous boron nitride compound, boron nitride film including the same, and electronic device including the boron nitride film
US-2024034636-A1 · Feb 1, 2024 · US
Ammonium Borophosphate as a Proton Conducting Solid Electrolyte for Solid Acid Fuel Cells
US-2023420717-A1 · Dec 28, 2023 · US
Methods and Apparatuses for Making Nanomaterials in Space
US-2023234856-A1 · Jul 27, 2023 · US
Preparation of nanosheets via ball milling in the presence of reactive gases
US-11529635-B2 · Dec 20, 2022 · US
High-brightness fluorophores by covalent functionalization
US-2022229048-A1 · Jul 21, 2022 · US
Chemical vapor deposition process to build 3D foam-like structures
US-11104989-B2 · Aug 31, 2021 · US
Process and apparatus for purifying bnnt
US-2021261414-A1 · Aug 26, 2021 · US
Solid electrolyte and method for manufacturing same
US-2021265661-A1 · Aug 26, 2021 · US
Hexagonal boron nitride powder and method for producing the same, and composition and heat dissipation material using the same
US-11078080-B2 · Aug 3, 2021 · US
Synthesis of hexagonal boron nitride films and transfer method
US-2021222295-A1 · Jul 22, 2021 · US
Hexagonal boron nitride powder and production process therefor
US-10919767-B2 · Feb 16, 2021 · US
Hexagonal boron nitride powder and method for producing the same, and composition and heat dissipation material using the same
US-2020277189-A1 · Sep 3, 2020 · US
Substantially aligned boron nitride nano-element arrays
US-10627174-B2 · Apr 21, 2020 · US
Rapid and efficient bioorthogonal ligation reaction and boron-containing heterocycles useful in conjunction therewith
US-10435418-B2 · Oct 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B35/146?
- CPC C01B35/146 is the Cooperative Patent Classification code for “Compounds containing boron and nitrogen, e.g. borazoles (ammonium tetrafluoborates C01B35/063; ammonium borates C01B35/12).”
- How many patents are filed under CPC C01B35/146 (Compounds containing boron and nitrogen, e.g. borazoles (ammonium tetrafluoborates C01B35/063; ammonium borates C01B35/12))?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC C01B35/146 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).