B01J 23/6486
Tantalum
Official title: {Tantalum}
B01J23/6486 (Tantalum) appears on 32 US grants and 37 published applications in this corpus.
Search patents in B01J- Granted patents
- 32
- Published applications
- 37
- Assignees
- 39
- Inventors
- 141
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 5 |
| 2017 | 3 | 4 |
| 2018 | 3 | 2 |
| 2019 | 0 | 0 |
| 2020 | 4 | 3 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 3 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Supported metal catalyst and electrochemical cell4 Mar 2025US 12,244,022 B2Nihon Kagaku Sangyo Co., Ltd.
- Ammonia membrane reactor comprising a composite membrane7 Nov 2023US 11,806,704 B2Korea Institute of Science and Technology
- Ammonia membrane reactor comprising a composite membrane11 Oct 2022US 11,465,114 B2Korea Institute of Science and Technology
- Method for producing ϵ-caprolactam19 Oct 2021US 11,149,001 B2Toray Industries, Inc.
- Catalyst for preparing 1,5-pentanediol via hydrogenolysis of tetrahydrofurfuryl alcohol, method and application thereof13 Apr 2021US 10,974,233 B2Wanhua Chemical Group Co., Ltd.
- High entropy boride-platinum group metal alloys and uses thereof25 Dec 2025US 2025/0388999 A1The Research Foundation for SUNY
- Oxygen evolution reaction catalyst31 Jul 2025US 2025/0246642 A1Johnson Matthey Hydrogen Technologies Limited
- Transition metal incorporated alumina for improved three way catalysts15 Aug 2024US 2024/0269654 A1Johnson Matthey Public Limited Company
- Oxygen evolution reaction catalyst8 Aug 2024US 2024/0266551 A1Johnson Matthey Hydrogen Technologies Limited
- Tantalum Nitride Doped With One Or More Metals, A Catalyst, Methods For Water Splitting Using The Catalyst, And Methods To Make Same20 Jun 2024US 2024/0200228 A1Global Advanced Metals USA, Inc.
Most cited
By later US patents
- Carbon monoxide tolerant platinum-tantalum alloyed catalyst44US 5,183,713 AInternational Fuel Cells Corporation · 1993
- Process for the catalytic hydrodealkylation of alkylaromatic hydrocarbons30US 3,992,468 AInstitut Francais du Petrole, des Carburants et Lubrifiants et Entreprise de Recherches et d'Activities Petrolieres Elf · 1976
- Suboxide fuel cell catalyst for enhanced reformate tolerance23US 6,482,763 B23M Innovative Properties Company · 2002
- Ammonia membrane reactor comprising a composite membrane20US 11,465,114 B2Korea Institute of Science and Technology · 2022
- Reforming catalyst and a method of preparation thereof19US 10,596,551 B2Reliance Industries Limited · 2020