C07C 2523/02
Catalysts comprising metals or metal oxides or hydroxides, not provided for in
Official title: of the alkali- or alkaline earth metals or beryllium
C07C2523/02 (Catalysts comprising metals or metal oxides or hydroxides, not provided for in) appears on 942 US grants and 563 published applications in this corpus.
Search patents in C07C- Granted patents
- 942
- Published applications
- 563
- Assignees
- 332
- Inventors
- 1,908
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 27 | 0 |
| 1978 | 17 | 0 |
| 1979 | 25 | 0 |
| 1980 | 22 | 0 |
| 1981 | 20 | 0 |
| 1982 | 12 | 0 |
| 1983 | 11 | 0 |
| 1984 | 16 | 0 |
| 1985 | 25 | 0 |
| 1986 | 23 | 0 |
| 1987 | 34 | 0 |
| 1988 | 26 | 0 |
| 1989 | 23 | 0 |
| 1990 | 31 | 0 |
| 1991 | 45 | 0 |
| 1992 | 36 | 0 |
| 1993 | 17 | 0 |
| 1994 | 23 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 15 | 0 |
| 2001 | 19 | 5 |
| 2002 | 12 | 19 |
| 2003 | 21 | 15 |
| 2004 | 8 | 24 |
| 2005 | 4 | 13 |
| 2006 | 10 | 16 |
| 2007 | 11 | 10 |
| 2008 | 9 | 15 |
| 2009 | 6 | 13 |
| 2010 | 13 | 26 |
| 2011 | 3 | 23 |
| 2012 | 14 | 21 |
| 2013 | 16 | 26 |
| 2014 | 23 | 40 |
| 2015 | 24 | 35 |
| 2016 | 22 | 34 |
| 2017 | 27 | 18 |
| 2018 | 25 | 33 |
| 2019 | 29 | 29 |
| 2020 | 28 | 37 |
| 2021 | 24 | 29 |
| 2022 | 21 | 22 |
| 2023 | 21 | 15 |
| 2024 | 13 | 21 |
| 2025 | 12 | 14 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalysts and processes for oxidative dehydrogenation of methane and ethane to produce ethylene, ethane, propane, propylene, and other products1 Sep 2026US 12,723,011 B1
- Olefin production device and olefin production method23 Jun 2026US 12,662,435 B2Mitsubishi Heavy Industries, Ltd.
- Catalysts and methods for natural gas processes28 Apr 2026US 12,612,344 B2Lummus Technology Inc.
- Catalysts and processes for oxidative dehydrogenation of methane and ethane to produce ethylene, ethane, propane, propylene, and other products28 Apr 2026US 12,612,345 B1
- Partial oxidative coupling catalyst and olefin production device and olefin production method using catalyst3 Mar 2026US 12,565,544 B2Mitsubishi Heavy Industries, Ltd.
- Metal oxide supported atomic quantum clusters (aqcs) catalysts as oxygen carriers for chemical looping processes10 Sep 2026US 2026/0264063 A1Lancaster University
- Catalyst Compositions and Processes for Making and Using Same13 Aug 2026US 2026/0233203 A1
- Oxidative coupling catalyst, method for producing oxidative coupling catalyst, and method for producing hydrocarbons6 Aug 2026US 2026/0225078 A1Mitsubishi Heavy Industries, Ltd.
- Alkane dehydrogenation catalyst23 Jul 2026US 2026/0208178 A1Sabic Global Technologies B.V.
- Chromium alumina catalysts for paraffin dehydrogenation23 Jul 2026US 2026/0209145 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Methods for manufacturing olefins from lower alkans by oxidative dehydrogenation140US 6,518,476 B1Union Carbide Chemicals & Plastics Technology Corporation · 2003
- Integrated two step process for conversion of methane to liquid hydrocarbons of gasoline range124US 5,336,825 ACouncil of Scientific and Industrial Research · 1994
- Catalytic wall reactors and use of catalytic wall reactors for methane coupling and hydrocarbon cracking reactions108US 5,599,510 AAmoco Corporation · 1997
- Oxidative coupling of methane with carbon conservation102US 6,096,934 AUop LLC · 2000
- Method for the conversion of methane into longer chain hydrocarbons101US 5,817,904 ARepsol Petroleo S.A. · 1998