C07C 2523/881
And iron
Official title: and iron
C07C2523/881 (And iron) appears on 15 US grants and 25 published applications in this corpus.
Search patents in C07C- Granted patents
- 15
- Published applications
- 25
- Assignees
- 24
- Inventors
- 91
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 3 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 0 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,893 B2NOVA Chemicals (International) S.A.
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,894 B2NOVA Chemicals (International) S.A.
- Process for formaldehyde manufacture3 Mar 2026US 12,565,465 B2Johnson Matthey Davy Technologies Limited
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials4 Jun 2024US 11,998,897 B2NOVA Chemicals (International) S.A.
- Method for preparing 1,3-butadiene from N-butenes by oxidative dehydrogeneation12 May 2020US 10,647,639 B2BASF SE
- Heterogeneous catalyst based on molybdenum oxide and its use in biomass transformation processes15 May 2025US 2025/0153150 A1Instituto Mexicano Del Petroleo
- Ethylbenzene dehydrogenation catalyst, preparation method therefor, and use thereof5 Dec 2024US 2024/0399341 A1China Petroleum & Chemical Corporation
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials22 Aug 2024US 2024/0278219 A1NOVA Chemicals (International) S.A.
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials1 Aug 2024US 2024/0253021 A1NOVA Chemicals (International) S.A.
- Process for formaldehyde manufacture31 Aug 2023US 2023/0271910 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Novel Fischer-Tropsch catalysts15US 4,380,589 AThe Dow Chemical Company · 1983
- 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
- Catalyst for the dehydrogenation of ethylbenzene to styrene7US 6,166,280 AMontecatini Technologies S.r.l. · 2000
- Method for producing conjugated diolefin and apparatus for production5US 9,255,041 B2Asahi Kasei Chemicals Corporation · 2016
- Method for production of conjugated diolefin4US 8,546,634 B2Asahi Kasei Chemicals Corporation · 2013