B01D 2255/2047
Magnesium
B01D2255/2047 (Magnesium) appears on 240 US grants and 304 published applications in this corpus.
Search patents in B01D- Granted patents
- 240
- Published applications
- 304
- Assignees
- 175
- Inventors
- 827
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 6 |
| 2003 | 8 | 5 |
| 2004 | 2 | 2 |
| 2005 | 3 | 2 |
| 2006 | 6 | 5 |
| 2007 | 1 | 4 |
| 2008 | 2 | 6 |
| 2009 | 3 | 15 |
| 2010 | 3 | 13 |
| 2011 | 4 | 22 |
| 2012 | 9 | 9 |
| 2013 | 11 | 12 |
| 2014 | 12 | 15 |
| 2015 | 13 | 23 |
| 2016 | 11 | 16 |
| 2017 | 12 | 23 |
| 2018 | 13 | 16 |
| 2019 | 27 | 18 |
| 2020 | 16 | 20 |
| 2021 | 9 | 12 |
| 2022 | 15 | 16 |
| 2023 | 5 | 14 |
| 2024 | 12 | 14 |
| 2025 | 6 | 10 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- Exhaust gas purification catalyst device7 Apr 2026US 12,594,525 B2Cataler Corporation
- Method for manufacturing catalyst for capture and conversion of carbon dioxide10 Mar 2026US 12,569,836 B2Lowcarbon Co., Ltd.
- Exhaust gas purification catalyst17 Feb 2026US 12,551,877 B2Mitsui Kinzoku Company, Limited
- Improved three-way catalysts23 Jul 2026US 2026/0208106 A1
- Multi-phase catalyst system for sustainable reduction of nitrous oxide emissions25 Jun 2026US 2026/0175207 A1
- An apparatus for catalytic decomposition of nitrous oxide5 Feb 2026US 2026/0034512 A1Medclair AB
- Plant and method for producing biomethane23 Oct 2025US 2025/0325938 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- SCR Zeolite Catalysts for Reduced N2O Formation10 Jul 2025US 2025/0222443 A1Umicore AG & Co. KG
Most cited
By later US patents
- Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas internal combustion engine51US 6,161,378 AHitachi, Ltd. · 2000
- Denitration catalyst and denitrating method39US 4,466,947 ACatalysts & Chemicals Ind. Co., Ltd. · 1984
- Process for reducing nitrogen oxides35US 5,543,124 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1996
- Catalytic reduction of nitrogen oxides34US 4,874,590 AUop LLC · 1989
- Catalyst for gasoline lean burn engines with improved NO oxidation activity31US 9,242,242 B2BASF SE · 2016