C07C 2531/28
Of the platinum group metals, iron group metals or copper
Official title: of the platinum group metals, iron group metals or copper
C07C2531/28 (Of the platinum group metals, iron group metals or copper) appears on 95 US grants and 81 published applications in this corpus.
Search patents in C07C- Granted patents
- 95
- Published applications
- 81
- Assignees
- 74
- Inventors
- 271
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 3 |
| 2013 | 3 | 6 |
| 2014 | 1 | 8 |
| 2015 | 7 | 10 |
| 2016 | 8 | 6 |
| 2017 | 12 | 3 |
| 2018 | 3 | 6 |
| 2019 | 5 | 5 |
| 2020 | 2 | 4 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 3 | 5 |
| 2024 | 0 | 2 |
| 2025 | 2 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Production of 2,2,4,4-tetramethylcyclobutane-1,3-diol from secondary alcohols and 2,2,4,4-tetramethylcyclobutanedione using homogeneous catalysts19 May 2026US 12,630,491 B2Eastman Chemical Company
- Methods of arene alkenylation2 Sep 2025US 12,404,221 B2University of Virginia Patent Foundation
- 5G avoidance during LTE-based real-time communications11 Feb 2025US 12,225,611 B2T-Mobile USA, Inc.
- Application of metal hydride/palladium compound system in preparation of 1,3-dicarbonyl compound in cascade reaction of electron-deficient alkene compound24 Oct 2023US 11,795,132 B2Soochow University
- 5G avoidance during LTE-based real-time communications18 Jul 2023US 11,702,376 B2T-Mobile USA, Inc.
- Process for the preparation of bio-based olefins from primary alcohol5 Mar 2026US 2026/0062361 A1BASF SE
- Photocatalysts, preparation and use thereof4 Dec 2025US 2025/0367649 A1The Royal Institution for the Advancement of Learning/Mcgill University
- Phosphino-Quinoline-Pyridine Ligands and Methods13 Nov 2025US 2025/0346619 A1Chevron Phillips Chemical Company LP
- Enhanced Iron-Based Oligomerization of Ethylene Using Machine Learning-Based K-Value Prediction13 Nov 2025US 2025/0349392 A1Chevron Phillips Chemical Company LP
- Enhanced Machine Learning for Iron-Based Oligomerization of Ethylene K-Value Prediction13 Nov 2025US 2025/0349393 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- Catalyst and process for ethylene oligomerization67US 6,184,428 B2Saudi Basic Industries Corporation · 2001
- Process for preparing acyclic olefins using homobimetallic and heterobimetallic alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands56US 6,552,139 B1Degussa AG · 2003
- Coupling of aryl and heteroaryl mono chlorides38US 4,263,466 AUnion Carbide Corporation · 1981
- Homobimetallic and heterobimetallic alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands32US 6,787,620 B2Degussa AG · 2004
- Synthesis of terminal alkenes from internal alkenes and ethylene via olefin metathesis29US 8,067,610 B22011