B01J 2231/543
Alkene metathesis
Official title: alkene metathesis
B01J2231/543 (Alkene metathesis) appears on 361 US grants and 373 published applications in this corpus.
Search patents in B01J- Granted patents
- 361
- Published applications
- 373
- Assignees
- 179
- Inventors
- 700
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 2 |
| 2002 | 4 | 9 |
| 2003 | 12 | 14 |
| 2004 | 5 | 6 |
| 2005 | 7 | 16 |
| 2006 | 6 | 9 |
| 2007 | 9 | 4 |
| 2008 | 5 | 10 |
| 2009 | 3 | 9 |
| 2010 | 11 | 9 |
| 2011 | 6 | 12 |
| 2012 | 9 | 11 |
| 2013 | 11 | 19 |
| 2014 | 12 | 18 |
| 2015 | 10 | 28 |
| 2016 | 21 | 27 |
| 2017 | 25 | 22 |
| 2018 | 19 | 17 |
| 2019 | 14 | 19 |
| 2020 | 13 | 21 |
| 2021 | 15 | 23 |
| 2022 | 18 | 20 |
| 2023 | 16 | 9 |
| 2024 | 16 | 15 |
| 2025 | 5 | 18 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Frontal polymerization using encapsulated catalysts16 Jun 2026US 12,655,250 B1National Technology & Engineering Solutions of Sandia, LLC
- Ruthenium complexes, methods of their preparation and application thereof in olefin cross metathesis12 May 2026US 12,624,060 B2Apeiron Synthesis S. A.
- Method for producing fluorine-containing olefin31 Mar 2026US 12,590,047 B2AGC Inc.
- Ring opening metathesis catalyst systems for cyclic olefin polymerization17 Feb 2026US 12,552,878 B2ExxonMobil Chemical Patents Inc.
- Process for producing ruthenium complexes and intermediates thereof and their use in olefin metathesis21 Oct 2025US 12,448,404 B2Apeiron Synthesis S. A.
- Cycloolefin resin composition, resin material, preparation method therefor, and use thereof2 Jul 2026US 2026/0184913 A1Shanghai Sinochem Science & Technology Co., Ltd
- Catalysts for Olefin Metathesis, Methods of Preparation, and Processes for the Use Thereof11 Jun 2026US 2026/0158480 A1
- Polymerizable composition and norbornene resin7 May 2026US 2026/0125501 A1Rimtec Corporation
- Novel ruthenium complexes, method of their synthesis, intermediate compounds used in this method, method of their synthesis and use of novel ruthenium complexes in olefin metathesis reactions2 Apr 2026US 2026/0092080 A1Uniwersytet Warszawski
- Cyclic olefin polymer having high cis double bond content15 Jan 2026US 2026/0015440 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- High metathesis activity ruthenium and osmium metal carbene complexes146US 5,831,108 ACalifornia Institute of Technology · 1998
- Olefin metathesis coupling using ruthenium and osmium carbene complexes113US 5,750,815 ACalifornia Institute of Technology · 1998
- Method of preparing ruthenium and osmium carbene complexes104US 5,710,298 ACalifornia Institute of Technology · 1998
- Polymer depolymerization using ruthenium and osmium carbene complexes98US 5,728,917 ACalifornia Institute of Technology · 1998
- High activity ruthenium and osmium metal carbene complexes for olefin metathesis reactions95US 5,969,170 ACalifornia Institute of Technology · 1999