C07C 2523/745
Iron
C07C2523/745 (Iron) appears on 588 US grants and 457 published applications in this corpus.
Search patents in C07C- Granted patents
- 588
- Published applications
- 457
- Assignees
- 314
- Inventors
- 1,557
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 13 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 11 | 0 |
| 1985 | 23 | 0 |
| 1986 | 22 | 0 |
| 1987 | 15 | 0 |
| 1988 | 14 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 12 | 0 |
| 2001 | 18 | 6 |
| 2002 | 15 | 15 |
| 2003 | 10 | 15 |
| 2004 | 15 | 19 |
| 2005 | 11 | 18 |
| 2006 | 8 | 12 |
| 2007 | 10 | 6 |
| 2008 | 7 | 7 |
| 2009 | 6 | 12 |
| 2010 | 6 | 13 |
| 2011 | 5 | 18 |
| 2012 | 5 | 22 |
| 2013 | 16 | 21 |
| 2014 | 11 | 30 |
| 2015 | 17 | 25 |
| 2016 | 12 | 23 |
| 2017 | 25 | 18 |
| 2018 | 25 | 24 |
| 2019 | 22 | 23 |
| 2020 | 18 | 26 |
| 2021 | 19 | 24 |
| 2022 | 19 | 21 |
| 2023 | 17 | 15 |
| 2024 | 12 | 22 |
| 2025 | 7 | 11 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrocarbon production method28 Jul 2026US 12,692,209 B2Eneos Corporation
- Hydrocarbon production system, and production method and operation method thereof19 May 2026US 12,630,488 B2Osaka Gas Co., Ltd.
- Nanostructured hybrid iron-zeolite catalysts7 Apr 2026US 12,594,545 B2Agency for Science, Technology and Research
- Method for shutting down a Fischer-Tropsch reactor17 Mar 2026US 12,577,181 B2Johnson Matthey Davy Technologies Limited
- Method for preparing zinc ferrite-based catalyst and zinc ferrite-based catalyst prepared thereby27 Jan 2026US 12,533,663 B2LG Chem.Ltd.
- Catalytic process using ammonia as hydrogen source for carbon dioxide conversion13 Aug 2026US 2026/0233183 A1Agency for Science, Technology and Research
- Catalysts and method for light hydrocarbon synthesis using renewable syngas23 Jul 2026US 2026/0208171 A1Enerkem, Inc.
- Production of synthetic fuels from carbon dioxide with carbon dioxide separation9 Jul 2026US 2026/0193554 A1Ifp Energies Nouvelles
- Biomass conversion to bio-jet over heterogeneous catalysts25 Jun 2026US 2026/0175204 A1ExxonMobil Technology and Engineering Company
- Catalyst mixture and method of synthesizing alkanes and olefins using the catalyst mixture18 Jun 2026US 2026/0166528 A1Industrial Technology Research Institute
Most cited
By later US patents
- Detergent compositions containing selected mid-chain branched surfactants167US 6,326,348 B1The Procter & Gamble Company · 2001
- Manufacture of synthetic lubricant additives from low molecular weight olefins using boron trifluoride catalysts123US 4,413,156 ATexaco Inc. · 1983
- Shaped particle having an asymmetrical cross sectional geometry109US 7,297,402 B2Shell Oil Company · 2007
- Boron-promoted reducible metal oxides and methods of their use89US 4,777,313 AAtlantic Richfield Company · 1988
- Catalysts75US 5,733,839 ASastech (Proprietary) Limited · 1998