B01J 23/63
With rare earths or actinides
Official title: with rare earths or actinides
B01J23/63 (With rare earths or actinides) appears on 1,745 US grants and 2,072 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,745
- Published applications
- 2,072
- Assignees
- 585
- Inventors
- 3,913
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 11 | 0 |
| 1987 | 10 | 0 |
| 1988 | 13 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 27 | 0 |
| 1992 | 17 | 0 |
| 1993 | 19 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 35 | 0 |
| 2000 | 30 | 0 |
| 2001 | 20 | 15 |
| 2002 | 33 | 42 |
| 2003 | 30 | 64 |
| 2004 | 32 | 92 |
| 2005 | 40 | 66 |
| 2006 | 32 | 66 |
| 2007 | 48 | 94 |
| 2008 | 33 | 84 |
| 2009 | 49 | 112 |
| 2010 | 74 | 96 |
| 2011 | 69 | 83 |
| 2012 | 55 | 74 |
| 2013 | 72 | 79 |
| 2014 | 69 | 83 |
| 2015 | 87 | 93 |
| 2016 | 71 | 87 |
| 2017 | 86 | 89 |
| 2018 | 66 | 98 |
| 2019 | 63 | 71 |
| 2020 | 69 | 95 |
| 2021 | 74 | 72 |
| 2022 | 64 | 100 |
| 2023 | 47 | 97 |
| 2024 | 49 | 111 |
| 2025 | 64 | 61 |
| 2026 | 32 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust gas purification catalyst6 Oct 2026US 12,752,237 B2Cataler Corporation
- Catalyst for hydrogen peroxide synthesis and regeneration25 Aug 2026US 12,714,987 B2Heesung Catalysts Corporation
- Composite, zoned oxidation catalyst for a compression ignition internal combustion engine25 Aug 2026US 12,714,990 B2Johnson Matthey Public Limited Company
- Three-way conversion catalyst composition comprising platinum-rhodium bimetallic components11 Aug 2026US 12,702,968 B2BASF Mobile Emissions Catalysts LLC
- Particles with an ASTM D-5757 attrition index between 5 and 2511 Aug 2026US 12,702,969 B2Cochise Technology, LLC
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- Catalyst article for treating exhaust gas, its method of manufacture and uses thereof10 Sep 2026US 2026/0264015 A1Johnson Matthey Public Limited Company
- Metal oxide supported atomic quantum clusters (aqcs) catalysts as oxygen carriers for chemical looping processes10 Sep 2026US 2026/0264063 A1Lancaster University
- Exhaust gas purification catalyst composition, exhaust gas purification catalyst and exhaust gas purification system3 Sep 2026US 2026/0257173 A1Mitsui Mining & Smelting Co., Ltd.
- Heterogeneous catalyst with dual catalytic centers, and preparation method and use thereof27 Aug 2026US 2026/0249279 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Layered catalyst composite162US 5,597,771 AEngelhard Corporation · 1997
- Catalyst composition containing segregated platinum and rhodium components151US 5,057,483 AEngelhard Corporation · 1991
- Aluminum-stabilized ceria catalyst compositions, and methods of making the same128US 4,714,694 AEngelhard Corporation · 1987
- Catalyst for exhaust gas purification and process for production thereof114US 5,439,865 AKrosaki Corporation · 1995
- System for exhaust gas purification and method for exhaust gas purification using said system109US 5,884,473 ANGK Insulators, Ltd. · 1999