C07C 2523/74
Iron group metals
C07C2523/74 (Iron group metals) appears on 1,510 US grants and 1,035 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,510
- Published applications
- 1,035
- Assignees
- 604
- Inventors
- 3,311
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 38 | 0 |
| 1977 | 49 | 0 |
| 1978 | 39 | 0 |
| 1979 | 39 | 0 |
| 1980 | 33 | 0 |
| 1981 | 34 | 0 |
| 1982 | 13 | 0 |
| 1983 | 24 | 0 |
| 1984 | 15 | 0 |
| 1985 | 39 | 0 |
| 1986 | 43 | 0 |
| 1987 | 34 | 0 |
| 1988 | 31 | 0 |
| 1989 | 28 | 0 |
| 1990 | 19 | 0 |
| 1991 | 25 | 0 |
| 1992 | 20 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 17 | 0 |
| 1996 | 15 | 0 |
| 1997 | 17 | 0 |
| 1998 | 29 | 0 |
| 1999 | 25 | 0 |
| 2000 | 39 | 0 |
| 2001 | 38 | 13 |
| 2002 | 30 | 30 |
| 2003 | 34 | 38 |
| 2004 | 31 | 37 |
| 2005 | 22 | 44 |
| 2006 | 20 | 24 |
| 2007 | 24 | 19 |
| 2008 | 20 | 15 |
| 2009 | 14 | 21 |
| 2010 | 16 | 32 |
| 2011 | 8 | 32 |
| 2012 | 12 | 42 |
| 2013 | 31 | 39 |
| 2014 | 29 | 59 |
| 2015 | 36 | 51 |
| 2016 | 40 | 50 |
| 2017 | 50 | 48 |
| 2018 | 46 | 44 |
| 2019 | 51 | 60 |
| 2020 | 50 | 64 |
| 2021 | 51 | 57 |
| 2022 | 49 | 48 |
| 2023 | 36 | 49 |
| 2024 | 42 | 46 |
| 2025 | 23 | 40 |
| 2026 | 19 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Production of monoaromatic hydrocarbons from hydrocarbon feedstocks15 Sep 2026US 12,735,646 B2King Fahd University of Petroleum and Minerals
- Process for converting oxygenates to distillate fuels18 Aug 2026US 12,709,587 B2Uop LLC
- Hydrocarbon production method28 Jul 2026US 12,692,209 B2Eneos Corporation
- Biofuel and method of synthesis of the same14 Jul 2026US 12,680,039 B2Colabit Sweden AB
- Bimetallic nanoalloy composite30 Jun 2026US 12,667,834 B2King Fahd University of Petroleum and Minerals
- Process and plant for producing synthetic paraffinic kerosene as jet fuel8 Oct 2026US 2026/0308082 A1Topsoe A/S
- Catalyst for methane reforming and manufacturing method thereof1 Oct 2026US 2026/0295566 A1Hanwha Solutions Corporation
- Process for converting oxygenates to distillate fuels10 Sep 2026US 2026/0265163 A1Uop LLC
- Process for purifying hydrocarbon streams including heterogeneously and homogeneously catalysed reactions3 Sep 2026US 2026/0257976 A1Evonik Oxeno GmbH
- Catalytic process using ammonia as hydrogen source for carbon dioxide conversion13 Aug 2026US 2026/0233183 A1Agency for Science, Technology and Research
Most cited
By later US patents
- Method of power generation via coal gasification and liquid hydrocarbon synthesis315US 3,986,349 AChevron Research Company · 1976
- Conversion of synthesis gas to diesel fuel and gasoline292US 4,605,680 AChevron Research Company · 1986
- Process for the preparation of a Fischer-Tropsch catalyst and preparation of hydrocarbons from syngas250US 4,499,209 AShell Oil Company · 1985
- Detergent compositions containing selected mid-chain branched surfactants167US 6,326,348 B1The Procter & Gamble Company · 2001
- Process for the preparation of middle distillates from syngas162US 4,594,468 AShell Oil Company · 1986