C01B 21/0646
Preparation by pyrolysis of boron and nitrogen containing compounds
Official title: {Preparation by pyrolysis of boron and nitrogen containing compounds}
C01B21/0646 (Preparation by pyrolysis of boron and nitrogen containing compounds) appears on 36 US grants and 49 published applications in this corpus.
Search patents in C01B- Granted patents
- 36
- Published applications
- 49
- Assignees
- 38
- Inventors
- 115
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 4 |
| 2016 | 1 | 4 |
| 2017 | 2 | 3 |
| 2018 | 4 | 2 |
| 2019 | 2 | 2 |
| 2020 | 3 | 6 |
| 2021 | 1 | 3 |
| 2022 | 0 | 3 |
| 2023 | 1 | 1 |
| 2024 | 3 | 9 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ultra-lightweight graphene-HBN nanoparticle aerogels17 Mar 2026US 12,577,169 B2Shandong Lutai Holding Group Co. Ltd
- Boron nitride nanotube (BNNT)-nanoparticle composites, methods for the preparation thereof and their macroscopic assemblies29 Apr 2025US 12,286,347 B2National Research Council of Canada
- Boron nitride nanomaterial and resin composition14 Jan 2025US 12,195,667 B2Sekisui Chemical Co., Ltd.
- Boron nitride powder, method for producing same, and heat-dissipating member produced using same7 Jan 2025US 12,187,608 B2Denka Company Limited
- Hexagonal boron nitride powder, resin composition, resin sheet, and method for producing hexagonal boron nitride powder19 Nov 2024US 12,145,844 B2Shinshu University
- Thermally conductive sheet and aggregated boron nitride particles17 Sep 2026US 2026/0275073 A1Denka Company Limited
- Tunable hexagonal boron carbon nitride heat spreader and method of adjusting its thermal and electrical conductivity12 Dec 2024US 2024/0414883 A1The Hong Kong University of Science and Technology
- Boron nitride containing vacant site defects for use in catalytic hydrogenation7 Nov 2024US 2024/0367974 A1
- Hexagonal boron nitride powder and method for producing same, and cosmetic preparation and method for producing same22 Aug 2024US 2024/0277586 A1Denka Company Limited
- Hexagonal boron nitride powder and method for producing same, and cosmetic preparation and method for producing same22 Aug 2024US 2024/0279061 A1Denka Company Limited
Most cited
By later US patents
- Process for the pyrolytic conversion of a polymeric precursor composition to boron nitride34US 4,971,779 AUniversity of New Mexico · 1990
- Method for making amorphous particles using a uniform melt-state in a microwave generated plasma torch30US 8,951,496 B2Amastan Technologies LLC · 2015
- Method for making amorphous particles using a uniform melt-state in a microwave generated plasma torch26US 9,643,891 B2Amastan Technologies LLC · 2017
- Spherical boron nitride process, system and product of manufacture21US 6,348,179 B1University of New Mexico · 2002
- Methods for preparing cubic boron nitride sintered body and cubic boron nitride, and method for preparing boron nitride for use in the same20US 4,545,968 AToshiba Tungaloy Co., Ltd. · 1985