C01B 21/0645
Preparation by carboreductive nitridation
Official title: {Preparation by carboreductive nitridation}
C01B21/0645 (Preparation by carboreductive nitridation) appears on 18 US grants and 31 published applications in this corpus.
Search patents in C01B- Granted patents
- 18
- Published applications
- 31
- Assignees
- 13
- Inventors
- 59
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 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 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 3 |
| 2019 | 0 | 3 |
| 2020 | 1 | 3 |
| 2021 | 1 | 2 |
| 2022 | 2 | 4 |
| 2023 | 2 | 4 |
| 2024 | 0 | 0 |
| 2025 | 2 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Boron nitride particles, resin composition, and method for producing resin composition6 Oct 2026US 12,753,075 B2Denka Company Limited
- Hexagonal boron nitride powder and method for producing the same30 Sep 2025US 12,428,297 B2Tokuyama Corporation
- Boron nitride powder, method for producing same, and heat-dissipating member produced using same7 Jan 2025US 12,187,608 B2Denka Company Limited
- Surface-treated aggregated boron nitride powder, aggregated boron nitride powder, and thermally conductive resin composition22 Aug 2023US 11,732,173 B2Denka Company Limited
- Hexagonal boron nitride powder, method for producing same, resin composition and resin sheet14 Feb 2023US 11,577,957 B2Showa Denko K. K.
- Hexagonal boron nitride powder and method for producing same24 Sep 2026US 2026/0285682 A1Tokuyama Corporation
- Hexagonal boron nitride powder, resin composition, and resin sheet10 Sep 2026US 2026/0265056 A1Tokuyama Corporation
- Hexagonal boron nitride powder and method for producing the same25 Sep 2025US 2025/0296887 A1Tokuyama Corporation
- Boron nitride powder, method for producing same, and heat-dissipating sheet28 Aug 2025US 2025/0270435 A1
- Boron nitride powder, resin composition, and method for producing boron nitride powder3 Jul 2025US 2025/0215192 A1Denka Company Limited
Most cited
By later US patents
- Apparatus for producing uniform, fine ceramic powder12US 5,110,565 AThe Dow Chemical Company · 1992
- Boron nitride-containing material and method thereof12US 5,633,214 ANKK Corporation · 1997
- Cubic boron nitride sintered body and method of preparing the same11US 6,071,841 ASumitomo Electric Industries, Ltd. · 2000
- Method for producing uniform, fine boron-containing ceramic powders8US 5,194,234 AThe Dow Chemical Company · 1993
- Boron nitride containing material8US 5,908,795 ANKK Corporation · 1999