C07C 2523/83
With rare earths or actinides
Official title: with rare earths or actinides
C07C2523/83 (With rare earths or actinides) appears on 83 US grants and 74 published applications in this corpus.
Search patents in C07C- Granted patents
- 83
- Published applications
- 74
- Assignees
- 81
- Inventors
- 289
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 4 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 4 |
| 2017 | 6 | 7 |
| 2018 | 4 | 4 |
| 2019 | 5 | 5 |
| 2020 | 1 | 3 |
| 2021 | 1 | 4 |
| 2022 | 2 | 4 |
| 2023 | 2 | 3 |
| 2024 | 4 | 7 |
| 2025 | 2 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Direct catalytic conversion of alcohols to olefins of higher carbon number with reduced ethylene production14 Apr 2026US 12,599,897 B2UT-Battelle, LLC
- Hydrogenation catalyst, and preparation method therefor and use thereof16 Dec 2025US 12,496,572 B2Huaneng Clean Energy Research Institute
- Catalyst for ethylbenzene dehydrogenation to form styrene7 Oct 2025US 12,434,228 B1King Fahd University of Petroleum and Minerals
- Method for converting a gas comprising carbon monoxide into methane by means of a catalytic material containing praseodymium and nickel on alumina18 Jun 2024US 12,012,367 B2
- Processes for preparing c2 to c4 hydrocarbons using hybrid catalysts27 Aug 2026US 2026/0250581 A1Dow Global Technologies LLC
- Catalyst mixture and method of synthesizing alkanes and olefins using the catalyst mixture18 Jun 2026US 2026/0166528 A1Industrial Technology Research Institute
- Methods for preparing c2 to c4 hydrocarbons and self-bound hybrid catalysts12 Feb 2026US 2026/0042088 A1Dow Global Technologies LLC
- Honeycomb structural body8 Jan 2026US 2026/0008040 A1NGK Insulators, Ltd.
- Cubic fluorite rare-earth high entropy oxides and their catalysis applications9 Oct 2025US 2025/0312777 A1Khalifa University of Science and Technology
Most cited
By later US patents
- Cobalt catalysts for the conversion of methanol to hydrocarbons and for Fischer-Tropsch synthesis140US 4,568,663 AExxon Research & Engineering Co. · 1986
- 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
- Preparation of hydrocarbons from synthesis gas60US 4,595,703 AExxon Research & Engineering Co. · 1986
- Cobalt catalysts for the conversion of methanol and for Fischer-Tropsch synthesis to produce hydrocarbons55US 4,663,305 AExxon Research & Engineering Co. · 1987
- Process for the preparation of surface impregnated dispersed cobalt metal catalysts55US 4,977,126 AExxon Research & Engineering Co. · 1990