C07C 2523/648
Vanadium, niobium or tantalum
C07C2523/648 (Vanadium, niobium or tantalum) appears on 23 US grants and 26 published applications in this corpus.
Search patents in C07C- Granted patents
- 23
- Published applications
- 26
- Assignees
- 19
- Inventors
- 88
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 4 |
| 2020 | 2 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 4 |
| 2023 | 1 | 5 |
| 2024 | 2 | 2 |
| 2025 | 3 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrocarbon production system, and production method and operation method thereof19 May 2026US 12,630,488 B2Osaka Gas Co., Ltd.
- Electrolysis cell unit, electrolysis cell device, hydrocarbon production system, and production method and use method of electrolysis cell unit20 Jan 2026US 12,529,151 B2Osaka Gas Co., Ltd.
- Processes for producing an ether13 Jan 2026US 12,522,551 B2Dow Global Technologies LLC
- Process and system for producing a product hydrocarbon28 Oct 2025US 12,454,500 B2Linde Aktiengesellschaft
- Manufacturing method of butadiene12 Aug 2025US 12,384,735 B2Chiyoda Corporation
- Hydrodeoxygenation catalyst and preparation method thereof1 Jan 2026US 2026/0001060 A1The Boeing Company
- Catalytic conversion of carbon dioxide23 Oct 2025US 2025/0326705 A1NOVA Chemicals (International) S.A.
- Manufacturing method of butadiene16 May 2024US 2024/0158321 A1Chiyoda Corporation
- Process and System for Producing a Product Hydrocarbon9 May 2024US 2024/0150262 A1Linde Aktiengesellschaft
- Processes for producing an ether24 Aug 2023US 2023/0265032 A1Dow Global Technologies LLC
Most cited
By later US patents
- Hydrocarbon synthesis from CO and H.sub.2 using Ru supported on group VB metal oxides39US 4,171,320 AExxon Research & Engineering Co. · 1979
- Process for producing methane from hydrogen and carbon monoxide11US 4,609,679 AThe Dow Chemical Company · 1986
- Catalytic oxidative dehydrogenation, and microchannel reactors for catalytic oxidative dehydrogenation9US 7,402,719 B2Velocys, Inc. · 2008
- Microchannel reactors for catalytic oxidative dehydrogenation6US 7,744,829 B2Velocys, Inc. · 2010
- Alkane oxidative dehydrogenation (ODH)3US 11,401,220 B2Shell USA, Inc. · 2022