C07C 2523/72
Copper
C07C2523/72 (Copper) appears on 326 US grants and 279 published applications in this corpus.
Search patents in C07C- Granted patents
- 326
- Published applications
- 279
- Assignees
- 217
- Inventors
- 1,057
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 6 |
| 2003 | 8 | 10 |
| 2004 | 6 | 11 |
| 2005 | 4 | 11 |
| 2006 | 4 | 3 |
| 2007 | 7 | 5 |
| 2008 | 4 | 3 |
| 2009 | 3 | 6 |
| 2010 | 0 | 6 |
| 2011 | 4 | 9 |
| 2012 | 4 | 18 |
| 2013 | 5 | 12 |
| 2014 | 12 | 18 |
| 2015 | 20 | 17 |
| 2016 | 7 | 11 |
| 2017 | 9 | 8 |
| 2018 | 11 | 13 |
| 2019 | 14 | 12 |
| 2020 | 8 | 22 |
| 2021 | 10 | 11 |
| 2022 | 15 | 21 |
| 2023 | 15 | 12 |
| 2024 | 10 | 13 |
| 2025 | 5 | 13 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Supported metal catalyst with synergistic sites, a preparation method therefor and an application thereof28 Jul 2026US 12,691,442 B2Beijing University of Chemical Technology
- Process for preparing an olefin stream for oligomerization with selective hydrogenation30 Jun 2026US 12,668,557 B2Uop LLC
- Oxygen removal from an ethane ODH product stream using ethanol2 Jun 2026US 12,643,841 B2NOVA Chemicals (International) S.A.
- Method for producing para-xylene5 May 2026US 12,617,739 B2Chiyoda Corporation
- Method for preparing a catalyst containing an active nickel phase distributed in a shell and a nickel-copper alloy17 Feb 2026US 12,551,872 B2Ifp Energies Nouvelles
- A method for preparation of an olefin from an alcohol30 Jul 2026US 2026/0217625 A1Base SE
- Copper-carbon composite material, its preparation and application thereof9 Jul 2026US 2026/0192285 A1China Petroleum & Chemical Corporation
- Oxychlorination process18 Jun 2026US 2026/0167593 A1
- Methods for depolymerization of substituted vinyl polymers4 Jun 2026US 2026/0152617 A1Board of Trustees of Michigan State University
- Tantalum catalyst composition and method of using the same30 Apr 2026US 2026/0115700 A1Battelle Memorial Institute
Most cited
By later US patents
- Conversion of synthesis gas to hydrocarbon mixtures299US 4,096,163 AMobil Oil Corporation · 1978
- Catalyst87US 7,375,049 B2Johnson Matthey PLC · 2008
- Selective hydrogenation of acetylenes in the presence of butadiene and catalyst used in the hydrogenation82US 4,440,956 AThe Dow Chemical Company · 1984
- Hydrocarbon production76US 4,849,571 AAtlantic Richfield Company · 1989
- Crystalline silicates and process of preparation66US 4,208,305 AShell Oil Company · 1980