C07C 2523/847
Vanadium, niobium or tantalum
C07C2523/847 (Vanadium, niobium or tantalum) appears on 23 US grants and 20 published applications in this corpus.
Search patents in C07C- Granted patents
- 23
- Published applications
- 20
- Assignees
- 27
- Inventors
- 105
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 4 |
| 2018 | 1 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes for producing an ether13 Jan 2026US 12,522,551 B2Dow Global Technologies LLC
- Perovskite material for methane to ethylene conversion16 Jul 2024US 12,036,535 B2UNM Rainforest Innovations
- Method of manufacturing styrene26 Dec 2023US 11,851,507 B1United Arab Emirates University
- Cuy/MMgOx interfacial catalyst for selective alkyne hydrogenation and its preparation method4 Jul 2023US 11,691,138 B2Beijing University of Chemical Technology
- Alkane oxidative dehydrogenation (ODH)2 Aug 2022US 11,401,220 B2Shell USA, Inc.
- Tantalum catalyst composition and method of using the same30 Apr 2026US 2026/0115700 A1Battelle Memorial Institute
- Porous catalyst and method of use for the tandem capture and conversion of carbon dioxide to hydrocarbons26 Sep 2024US 2024/0316539 A1
- Supported polymetallic oxide tandem catalyst, preparation method and application thereof19 Sep 2024US 2024/0307861 A1Tianjin University
- Perovskite Material For Methane To Ethylene Conversion23 Nov 2023US 2023/0372911 A1UNM Rainforest Innovations
- Processes for producing an ether24 Aug 2023US 2023/0265032 A1Dow Global Technologies LLC
Most cited
By later US patents
- Catalytic composition suitable for the fischer-tropsch process33US 6,075,062 AAgip Petroli S. p. A. · 2000
- Catalyst and process for the preparation of hydrocarbons19US 5,981,608 AShell Oil Company · 1999
- Raney alloy methanation catalyst16US 4,422,961 AOlin Corporation · 1983
- Catalyst comprising nickel supported on tantalum oxide or niobium oxide and their use as hydrocarbon synthesis catalysts in CO/H.sub.2 reactions8US 4,206,135 AExxon Research & Engineering Co. · 1980
- Process and catalyst for the preparation of a gas mixture having a high content of C.sub.2 -hydrocarbons7US 4,511,674 AHaldor Topsoe A/S · 1985