C07C 2523/34
Manganese
C07C2523/34 (Manganese) appears on 311 US grants and 218 published applications in this corpus.
Search patents in C07C- Granted patents
- 311
- Published applications
- 218
- Assignees
- 152
- Inventors
- 662
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 17 | 0 |
| 1986 | 16 | 0 |
| 1987 | 15 | 0 |
| 1988 | 12 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 5 |
| 2002 | 6 | 5 |
| 2003 | 7 | 6 |
| 2004 | 8 | 8 |
| 2005 | 2 | 5 |
| 2006 | 2 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 1 |
| 2009 | 3 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 6 |
| 2012 | 2 | 16 |
| 2013 | 6 | 10 |
| 2014 | 11 | 12 |
| 2015 | 8 | 12 |
| 2016 | 5 | 9 |
| 2017 | 8 | 12 |
| 2018 | 9 | 17 |
| 2019 | 11 | 15 |
| 2020 | 19 | 21 |
| 2021 | 13 | 19 |
| 2022 | 13 | 10 |
| 2023 | 8 | 7 |
| 2024 | 9 | 5 |
| 2025 | 1 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Process for producing methane23 Jun 2026US 12,662,433 B2Bp P.L.C.
- 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
- Method for preparing single-atom, atomic cluster or single-molecular catalyst for oxidative coupling of methane using chemical vapor deposition10 Feb 2026US 12,544,749 B2Korea Institute of Energy Research
- Fluidization enhancers for the oxidative dehydrogenation of hydrocarbons28 Oct 2025US 12,454,499 B2Dow Global Technologies LLC
- Oxidative coupling catalyst, method for producing oxidative coupling catalyst, and method for producing hydrocarbons6 Aug 2026US 2026/0225078 A1Mitsubishi Heavy Industries, Ltd.
- Catalyst mixture and method of synthesizing alkanes and olefins using the catalyst mixture18 Jun 2026US 2026/0166528 A1Industrial Technology Research Institute
- Systems and methods for producing a dimethylcyclooctane-based aviation fuel from isoprene30 Apr 2026US 2026/0117135 A1CleanJoule, Inc.
- Methods of making light olefins that include modifying catalysts4 Dec 2025US 2025/0368901 A1Dow Global Technologies LLC
- Methods for making light olefins by dehydrogenation that utilize comubustion additives27 Nov 2025US 2025/0361193 A1Dow Global Technologies LLC
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
- Manufacture of synthetic lubricant additives from low molecular weight olefins using boron trifluoride catalysts123US 4,413,156 ATexaco Inc. · 1983
- Temperature regulating reactor apparatus and method102US 5,080,872 AAmoco Corporation · 1992
- Method for the conversion of methane into longer chain hydrocarbons101US 5,817,904 ARepsol Petroleo S.A. · 1998
- Natural gas conversion to higher hydrocarbons96US 5,714,657 A1998