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Preparation by pyrolysis of boron and nitrogen containing compounds
Preparation by pyrolysis of boron and nitrogen containing compounds · 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 | C01B21/0646 |
| Official title | {Preparation by pyrolysis of boron and nitrogen containing compounds} |
| Display label | Preparation by pyrolysis of boron and nitrogen containing compounds |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 12 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Boron nitride nanotube (BNNT)-nanoparticle composites, methods for the preparation thereof and their macroscopic assemblies
US-12286347-B2 · Apr 29, 2025 · US
Boron nitride nanomaterial and resin composition
US-12195667-B2 · Jan 14, 2025 · US
Boron nitride powder, method for producing same, and heat-dissipating member produced using same
US-12187608-B2 · Jan 7, 2025 · US
Method of fabricating hexagonal boron nitride
US-12180584-B2 · Dec 31, 2024 · US
Tunable hexagonal boron carbon nitride heat spreader and method of adjusting its thermal and electrical conductivity
US-2024414883-A1 · Dec 12, 2024 · US
Hexagonal boron nitride powder, resin composition, resin sheet, and method for producing hexagonal boron nitride powder
US-12145844-B2 · Nov 19, 2024 · US
Boron nitride containing vacant site defects for use in catalytic hydrogenation
US-2024367974-A1 · Nov 7, 2024 · US
Hexagonal boron nitride powder and method for producing same, and cosmetic preparation and method for producing same
US-2024279061-A1 · Aug 22, 2024 · US
Hexagonal boron nitride powder and method for producing same, and cosmetic preparation and method for producing same
US-2024277586-A1 · Aug 22, 2024 · US
Hexagonal boron nitride powder and method for producing same, cosmetic preparation and method for producing same, and quality evaluation method
US-2024270651-A1 · Aug 15, 2024 · US
Flexible boron nitride nanoribbon aerogel and preparation method thereof
US-12043544-B2 · Jul 23, 2024 · US
Hexagonal boron nitride powder and method for producing same, and cosmetics and method for manufacturing same
US-2024208817-A1 · Jun 27, 2024 · US
Boron nitride powder and resin composition
US-2024174908-A1 · May 30, 2024 · US
Cubic boron nitride powder and manufacturing method therefor
US-2024026161-A1 · Jan 25, 2024 · US
Continuous boron nitride nanotube yarns and methods of production
US-11866376-B2 · Jan 9, 2024 · US
Method for preparing multi-layer hexagonal boron nitride film
US-11679978-B2 · Jun 20, 2023 · US
Method for producing hexagonal boron nitride powder
US-2023134671-A1 · May 4, 2023 · US
Hexagonal boron nitride powder, method for producing same, resin composition and resin sheet
US-11577957-B2 · Feb 14, 2023 · US
Boron nitride powder and resin composition
US-2022073698-A1 · Mar 10, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B21/0646?
- CPC C01B21/0646 is the Cooperative Patent Classification code for “Preparation by pyrolysis of boron and nitrogen containing compounds.”
- How many patents are filed under CPC C01B21/0646 (Preparation by pyrolysis of boron and nitrogen containing compounds)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C01B21/0646 growing?
- Publication counts under this code: 12 in 2024 vs 3 in 2025 (latest complete years).