C07C 2523/89
Combined with noble metals
Official title: combined with noble metals
C07C2523/89 (Combined with noble metals) appears on 205 US grants and 110 published applications in this corpus.
Search patents in C07C- Granted patents
- 205
- Published applications
- 110
- Assignees
- 117
- Inventors
- 404
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 21 | 0 |
| 1978 | 14 | 0 |
| 1979 | 16 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 5 |
| 2003 | 5 | 1 |
| 2004 | 3 | 6 |
| 2005 | 3 | 3 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 3 | 3 |
| 2015 | 0 | 7 |
| 2016 | 6 | 5 |
| 2017 | 1 | 4 |
| 2018 | 4 | 5 |
| 2019 | 7 | 7 |
| 2020 | 5 | 11 |
| 2021 | 6 | 2 |
| 2022 | 5 | 8 |
| 2023 | 7 | 9 |
| 2024 | 4 | 7 |
| 2025 | 4 | 8 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst compositions and processes for making and using same6 Oct 2026US 12,752,258 B2ExxonMobil Chemical Patents Inc.
- Processes for dehydrogenating alkanes and alkyl aromatic hydrocarbons23 Jun 2026US 12,662,436 B2ExxonMobil Chemical Patents Inc.
- Hydrocarbon production system, and production method and operation method thereof19 May 2026US 12,630,488 B2Osaka Gas Co., Ltd.
- Direct catalytic conversion of alcohols to olefins of higher carbon number with reduced ethylene production14 Apr 2026US 12,599,897 B2UT-Battelle, LLC
- 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 Removing Residual Hydrogen in Aromatic Fractions16 Apr 2026US 2026/0103433 A1SK Geo Centric Co., Ltd.
- Systems and methods for sustaining optimal photocatalysis performance5 Mar 2026US 2026/0061411 A1Bioleum Corporation
- Fixed bed reactor based on the principle of thermoluminescence for in-situ heat removal and in-situ temperature measurement of strong exothermic reactions29 Jan 2026US 2026/0027538 A1Beijing University of Chemical Technology
- Methods for making light olefins by dehydrogenation using catalysts that include chromium18 Dec 2025US 2025/0382246 A1Dow Global Technologies LLC
- Methods of making light olefins that include modifying catalysts4 Dec 2025US 2025/0368901 A1Dow Global Technologies LLC
Most cited
By later US patents
- Process of producing liquid hydrocarbon fuels from biomass118US 4,678,860 AArizona Board of Regents · 1987
- Conversion of synthesis gas using a cobalt-ruthenium catalyst90US 4,088,671 AGulf Research & Development Company · 1978
- Upgrading synthesis gas46US 4,478,955 AThe Standard Oil Company · 1984
- Cobalt-ruthenium catalysts for Fischer-Tropsch synthesis and process for their preparation41US 4,738,948 AExxon Research & Engineering Co. · 1988
- Reductive alkylation process39US 5,053,571 AExxon Chemical Patents Inc. · 1991