B01J 23/8871
Rare earth metals or actinides
Official title: {Rare earth metals or actinides}
B01J23/8871 (Rare earth metals or actinides) appears on 88 US grants and 48 published applications in this corpus.
Search patents in B01J- Granted patents
- 88
- Published applications
- 48
- Assignees
- 65
- Inventors
- 258
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 2 | 2 |
| 2010 | 3 | 3 |
| 2011 | 0 | 4 |
| 2012 | 3 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 4 |
| 2017 | 2 | 2 |
| 2018 | 3 | 4 |
| 2019 | 2 | 3 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 3 |
| 2023 | 4 | 0 |
| 2024 | 1 | 3 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Nanofiber electrocatalyst8 Apr 2025US 12,269,020 B2Uchicago Argonne, LLC
- Catalysts for hydrogen production21 Jan 2025US 12,201,967 B2Golu Hydrogen Technologies Inc.
- Nanofiber electrocatalyst30 Jan 2024US 11,883,808 B2Uchicago Argonne, LLC
- Multi-metallic bulk hydroprocessing catalysts25 Jul 2023US 11,707,735 B2Chevron U.S.A.Inc.
- Functional structural body and method for making functional structural body16 May 2023US 11,648,543 B2Furukawa Electric Co., Ltd.
- Catalyst for the manufacture of acrylonitrile16 Oct 2025US 2025/0319457 A1Ineos Europe AG
- Catalyst and method for sulfur-tolerant shift catalytic reaction18 Jul 2024US 2024/0238767 A1China Petroleum & Chemical Corporation
- Nickel oxide particles and method for producing the same18 Jul 2024US 2024/0243301 A1DIC Corporation
- Nanofiber electrocatalyst25 Apr 2024US 2024/0131501 A1Uchicago Argonne, LLC
- Multi-metallic bulk hydroprocessing catalysts22 Dec 2022US 2022/0401931 A1Chevron U.S.A.Inc.
Most cited
By later US patents
- Oxidation catalysts51US 4,162,234 AThe Standard Oil Company · 1979
- Catalysts for demetallization treatment of _hydrocarbons supported on sepiolite50US 4,196,102 AChiyoda Chemical Engineering & Construction Co., Ltd. · 1980
- Method of preparing a hydrotreating catalyst on a support containing a rare earth metal48US 7,538,066 B2ExxonMobil Research and Engineering Company · 2009
- Catalysts for the hydrotreatment of hydrocarbons and their preparation40US 4,581,344 ACentre National de la Recherche Scientifique (CNRS) · 1986
- Catalyst for the conversion of unsaturated hydrocarbons into diolefins or unsaturated aldehydes and nitriles, and process for preparing the same39US 4,388,223 AEuteco Impianti S.p.A. · 1983