C07C 2523/46
Ruthenium, rhodium, osmium or iridium
C07C2523/46 (Ruthenium, rhodium, osmium or iridium) appears on 642 US grants and 355 published applications in this corpus.
Search patents in C07C- Granted patents
- 642
- Published applications
- 355
- Assignees
- 310
- Inventors
- 1,405
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 30 | 0 |
| 1978 | 21 | 0 |
| 1979 | 22 | 0 |
| 1980 | 22 | 0 |
| 1981 | 14 | 0 |
| 1982 | 12 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 15 | 0 |
| 1987 | 18 | 0 |
| 1988 | 19 | 0 |
| 1989 | 13 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 16 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 21 | 9 |
| 2002 | 21 | 13 |
| 2003 | 14 | 8 |
| 2004 | 11 | 19 |
| 2005 | 5 | 7 |
| 2006 | 6 | 5 |
| 2007 | 6 | 9 |
| 2008 | 6 | 13 |
| 2009 | 3 | 6 |
| 2010 | 10 | 12 |
| 2011 | 6 | 15 |
| 2012 | 6 | 18 |
| 2013 | 5 | 13 |
| 2014 | 15 | 23 |
| 2015 | 17 | 20 |
| 2016 | 16 | 13 |
| 2017 | 10 | 12 |
| 2018 | 13 | 11 |
| 2019 | 14 | 20 |
| 2020 | 14 | 12 |
| 2021 | 23 | 27 |
| 2022 | 15 | 14 |
| 2023 | 11 | 16 |
| 2024 | 11 | 12 |
| 2025 | 8 | 18 |
| 2026 | 6 | 10 |
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.
- Process for preparation of a sugar alcohol19 May 2026US 12,630,490 B2Ddp Specialty Electronic Materials US 8, LLC
- Ruthenium oxide and catalyst comprising same31 Mar 2026US 12,589,382 B2Sogang University Research & Business Development Foundation
- Systems and methods for wet air oxidation regeneration of catalysts with ion exchange10 Mar 2026US 12,569,843 B2Johnson Matthey Davy Technologies Limited
- 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.
- 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
- Supported ru catalysts highly efficient for carbon dioxide methanation, methods of preparation and uses thereof6 Aug 2026US 2026/0225075 A1Gaznat SA
- A method for preparation of an olefin from an alcohol30 Jul 2026US 2026/0217625 A1Base SE
- Process for Removing Residual Hydrogen in Aromatic Fractions16 Apr 2026US 2026/0103433 A1SK Geo Centric Co., Ltd.
Most cited
By later US patents
- Conversion of synthesis gas to diesel fuel and gasoline292US 4,605,680 AChevron Research Company · 1986
- Detergent compositions containing selected mid-chain branched surfactants167US 6,326,348 B1The Procter & Gamble Company · 2001
- Oxidative coupling of methane with carbon conservation102US 6,096,934 AUop LLC · 2000
- Conversion of synthesis gas using a cobalt-ruthenium catalyst90US 4,088,671 AGulf Research & Development Company · 1978
- Surface supported cobalt catalysts, process utilizing these catalysts for the preparation of hydrocarbons from synthesis gas and process for the preparation of said catalysts90US 5,545,674 AExxon Research & Engineering Co. · 1996