B01D 2255/40
Mixed oxides
B01D2255/40 (Mixed oxides) appears on 880 US grants and 1,251 published applications in this corpus.
Search patents in B01D- Granted patents
- 880
- Published applications
- 1,251
- Assignees
- 295
- Inventors
- 1,936
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 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 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 3 |
| 2002 | 8 | 3 |
| 2003 | 5 | 10 |
| 2004 | 5 | 6 |
| 2005 | 3 | 16 |
| 2006 | 3 | 15 |
| 2007 | 6 | 29 |
| 2008 | 9 | 30 |
| 2009 | 15 | 61 |
| 2010 | 25 | 45 |
| 2011 | 29 | 44 |
| 2012 | 24 | 48 |
| 2013 | 40 | 45 |
| 2014 | 51 | 64 |
| 2015 | 52 | 91 |
| 2016 | 58 | 85 |
| 2017 | 61 | 92 |
| 2018 | 59 | 64 |
| 2019 | 54 | 45 |
| 2020 | 51 | 73 |
| 2021 | 50 | 64 |
| 2022 | 48 | 79 |
| 2023 | 61 | 92 |
| 2024 | 45 | 72 |
| 2025 | 45 | 39 |
| 2026 | 25 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Multi-layer TWC formulations with optimalized PGM loadings29 Sep 2026US 12,746,510 B2Johnson Matthey Public Limited Company
- Nitrogen oxide removing denitrification catalyst having high durability against sulfur dioxide, method for preparing the same, and method for removing nitrogen oxide using the same8 Sep 2026US 12,728,406 B2Korea Institute of Science and Technology
- Selective catalytic reduction catalyst for the treatment of an exhaust gas8 Sep 2026US 12,728,409 B2BASF Mobile Emissions Catalysts LLC
- Three-way conversion catalyst composition comprising platinum-rhodium bimetallic components11 Aug 2026US 12,702,968 B2BASF Mobile Emissions Catalysts LLC
- Complete oxidation catalysts for dilute alkanes1 Oct 2026US 2026/0295521 A1Icarus Technology LLC
- Composite of manganese-based oxide and zeolite useful as nh3-scr catalyst24 Sep 2026US 2026/0284594 A1
- Catalyst article for treating exhaust gas, its method of manufacture and uses thereof10 Sep 2026US 2026/0264015 A1Johnson Matthey Public Limited Company
- Catalyst article for treating exhaust gas, its method of manufacture and uses thereof10 Sep 2026US 2026/0264058 A1Johnson Matthey Public Limited Company
- Exhaust gas purification catalyst composition, exhaust gas purification catalyst and exhaust gas purification system3 Sep 2026US 2026/0257173 A1Mitsui Mining & Smelting Co., Ltd.
Most cited
By later US patents
- Reactor system for reducing NOx emissions from boilers80US 7,943,097 B2Catalytic Solutions, Inc. · 2011
- Catalyst for purifying oxygen rich exhaust gas66US 5,990,038 ANissan Motor Co., Ltd. · 1999
- Layered catalyst composite65US 7,517,510 B2BASF Catalysts LLC · 2009
- Exhaust gas purifying catalyst and manufacturing method thereof65US 7,851,405 B2Nissan Motor Co., Ltd. · 2010
- Catalyst62US 7,576,029 B2Tanaka Kikinzoku Kogyo K.K. · 2009