C01B 25/451
Containing metal and ammonium
Official title: {containing metal and ammonium}
C01B25/451 (Containing metal and ammonium) appears on 49 US grants and 56 published applications in this corpus.
Search patents in C01B- Granted patents
- 49
- Published applications
- 56
- Assignees
- 41
- Inventors
- 123
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 3 | 3 |
| 2016 | 1 | 9 |
| 2017 | 2 | 6 |
| 2018 | 4 | 2 |
| 2019 | 10 | 3 |
| 2020 | 1 | 3 |
| 2021 | 2 | 5 |
| 2022 | 2 | 0 |
| 2023 | 3 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for electrochemical synchronous synthesis of urea and struvite using nitrogen and phosphorus pollutants and waste gas field8 Sep 2026US 12,729,447 B2Nanchang University
- Preparation method and application of iron phosphate21 Apr 2026US 12,606,437 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Methods for the continuous polymerization of phosphate compounds to form polyphosphate compositions14 Oct 2025US 12,441,848 B2J. M. Huber Corporation
- Methods for the continuous polymerization of phosphate compounds to form polyphosphate compositions26 Mar 2024US 11,939,430 B2J. M. Huber Corporation
- Method and assembly for recovering magnesium ammonium phosphate19 Mar 2024US 11,932,561 B2Cnp Cycles GmbH
- High power electrode materials1 Oct 2026US 2026/0302226 A1A123 Systems, Inc.
- Method for electrochemical synchronous synthesis of urea and struvite using nitrogen and phosphorus pollutants and waste gas field16 Jul 2026US 2026/0201575 A1Nanchang University
- Supramolecule compound, two-dimensional rare earth oxysalt and preparation method therefor2 Jul 2026US 2026/0184734 A1Shenzhen University
- Ammonium manganese iron phosphate and lithium manganese iron phosphate, and preparation method and application thereof14 May 2026US 2026/0132030 A1Ningbo Ronbay New Energy Technology Co.,Ltd.
- Positive electrode active material, electrode, and battery9 Apr 2026US 2026/0100353 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Production of phosphates from alkali-processes phosphate rock9US 4,777,026 A1988
- Synthesis and incorporation of high-temperature ammonia-release agents in lit-end cigarettes7US 7,690,387 B2Philip Morris USA Inc. · 2010
- Magnesium ammonium phosphate hexahydrate slurry6US 6,476,082 B1Magline, Inc. · 2002
- Magnesium ammonium phosphate hexahydrate and monohydrate slurries5US 6,506,805 B22003
- Process and system for recovering phosphorus from wastewater5US 8,747,672 B2Multiform Harvest Inc. · 2014