C01B 21/0641
Preparation by direct nitridation of elemental boron
Official title: {Preparation by direct nitridation of elemental boron}
C01B21/0641 (Preparation by direct nitridation of elemental boron) appears on 42 US grants and 55 published applications in this corpus.
Search patents in C01B- Granted patents
- 42
- Published applications
- 55
- Assignees
- 30
- Inventors
- 80
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 6 |
| 2017 | 2 | 5 |
| 2018 | 3 | 4 |
| 2019 | 7 | 7 |
| 2020 | 4 | 4 |
| 2021 | 4 | 8 |
| 2022 | 2 | 6 |
| 2023 | 3 | 0 |
| 2024 | 4 | 1 |
| 2025 | 4 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing nano-materials and apparatus thereof16 Sep 2025US 12,415,727 B2Naieel Technology
- Boron nitride nanotube-silicate glass composites24 Jun 2025US 12,338,164 B2National Research Council of Canada
- Standalone precursor for synthesizing nanomaterials and apparatus for synthesizing nanomaterials using the same8 Apr 2025US 12,269,738 B2Naieel Technology
- Boron nitride nanomaterial and resin composition14 Jan 2025US 12,195,667 B2Sekisui Chemical Co., Ltd.
- Method of fabricating hexagonal boron nitride31 Dec 2024US 12,180,584 B2Samsung Electronics Co., Ltd.
- Boron nitride particles, resin composition, and uses therefor20 Aug 2026US 2026/0242221 A1Resonac Corporation
- Apparatus and method for synthesizing boron nitride nanotubes20 Nov 2025US 2025/0352967 A1Naieel Technology
- Method of making boron nitride nanotubes and reaction chamber therefore31 Jul 2025US 2025/0243060 A1Michigan Technological University
- Standalone precursor for synthesizing nanomaterials and apparatus for synthesizing nanomaterials using the same31 Jul 2025US 2025/0243062 A1Naieel Technology
- Method of producing single crystalline boron nitride nanosheets and boron carbon nitride nanosheets18 Jan 2024US 2024/0017998 A1The Royal Institution for the Advancement of Learning/Mcgill University
Most cited
By later US patents
- Boron nitride nanotubes37US 8,206,674 B2National Institute of Aerospace Associates · 2012
- Device and method for producing nanotubes24US 8,475,760 B2Beneq Oy · 2013
- Efficient boron nitride nanotube formation via combined laser-gas flow levitation18US 8,673,120 B2Jefferson Science Associates, LLC · 2014
- Fluidized bed reactor for preparing metal nitride12US 5,573,689 AShin-Etsu Chemical Co., Ltd. · 1996
- Method and device to synthesize boron nitride nanotubes and related nanoparticles5US 9,394,632 B2The Regents of the University of California · 2016