C04B 2235/465
Ammonia
C04B2235/465 (Ammonia) appears on 73 US grants and 88 published applications in this corpus.
Search patents in C04B- Granted patents
- 73
- Published applications
- 88
- Assignees
- 78
- Inventors
- 250
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 7 |
| 2005 | 1 | 6 |
| 2006 | 7 | 8 |
| 2007 | 1 | 6 |
| 2008 | 2 | 8 |
| 2009 | 4 | 7 |
| 2010 | 2 | 5 |
| 2011 | 5 | 2 |
| 2012 | 4 | 7 |
| 2013 | 4 | 2 |
| 2014 | 2 | 3 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 4 | 2 |
| 2018 | 1 | 4 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 3 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gallium nitride particles and method for producing same6 Jan 2026US 12,515,952 B2Tosoh Corporation
- Sintered body, method for producing same, and dielectric composition14 Oct 2025US 12,441,662 B2Murata Manufacturing 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
- Aluminum-containing nitride ceramic matrix composite, method of making, and method of use17 Dec 2024US 12,168,632 B2SLT Technologies, Inc.
- Titanium nitride-reinforced zirconia toughened alumina ceramic powder and preparation method thereof31 May 2022US 11,345,638 B2China Nonferrous Metals (Guilin) Geology and Mining Co., Ltd.
- Improved aluminum-containing nitride ceramic matrix composite, method of making, and method of use20 Aug 2026US 2026/0242660 A1SLT Technologies, Inc.
- Method for producing a metal-ceramic substrate, and metal-ceramic substrate produced using such a method13 Aug 2026US 2026/0239541 A1
- Aluminum-containing nitride ceramic matrix composite, method of making, and method of use27 Feb 2025US 2025/0066256 A1SLT Technologies, Inc.
- C/c composite and method for producing same, and heat-treatment jig and method for producing same18 May 2023US 2023/0150888 A1Toyo Tanso Co., Ltd.
- Aluminum-containing nitride ceramic matrix composite, method of making, and method of use13 Apr 2023US 2023/0111390 A1SLT Technologies, Inc.
Most cited
By later US patents
- Nanoscale ordered composites of covalent ceramics for high-temperature structural applications via block-copolymer-assisted assembly and method of making82US 7,056,849 B2General Electric Company · 2006
- Integrally woven ceramic composites62US 6,418,973 B1Boeing North American, Inc. · 2002
- Proppants with carbide and/or nitride phases41US 8,047,288 B2Oxane Materials, Inc. · 2011
- Coated abrasive materials and method of manufacture40US 8,118,896 B22012
- Laser assisted fiber growth35US 5,336,360 AClemson University · 1994