B01J 2231/50
Redistribution or isomerisation reactions of c-c, c=c or c-c triple bonds
Official title: Redistribution or isomerisation reactions of C-C, C=C or C-C triple bonds
B01J2231/50 (Redistribution or isomerisation reactions of c-c, c=c or c-c triple bonds) appears on 691 US grants and 596 published applications in this corpus.
Search patents in B01J- Granted patents
- 691
- Published applications
- 596
- Assignees
- 323
- Inventors
- 1,367
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 10 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 33 | 0 |
| 1999 | 27 | 0 |
| 2000 | 19 | 0 |
| 2001 | 21 | 7 |
| 2002 | 15 | 14 |
| 2003 | 22 | 30 |
| 2004 | 14 | 21 |
| 2005 | 14 | 28 |
| 2006 | 19 | 19 |
| 2007 | 16 | 13 |
| 2008 | 7 | 15 |
| 2009 | 7 | 16 |
| 2010 | 18 | 19 |
| 2011 | 11 | 15 |
| 2012 | 13 | 15 |
| 2013 | 16 | 31 |
| 2014 | 19 | 24 |
| 2015 | 21 | 43 |
| 2016 | 27 | 34 |
| 2017 | 35 | 32 |
| 2018 | 28 | 25 |
| 2019 | 19 | 29 |
| 2020 | 21 | 25 |
| 2021 | 19 | 30 |
| 2022 | 22 | 32 |
| 2023 | 21 | 17 |
| 2024 | 21 | 27 |
| 2025 | 9 | 22 |
| 2026 | 7 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Air-stable ni(0)-olefin complexes and their use as catalysts or precatalysts24 Feb 2026US 12,558,677 B2Studiengesellschaft Kohle mbH
- Ring opening metathesis catalyst systems for cyclic olefin polymerization17 Feb 2026US 12,552,878 B2ExxonMobil Chemical Patents Inc.
- Process for preparing 2,3-unsaturated alcohols8 Oct 2026US 2026/0308092 A1BASF SE
- Novel ruthenium complexes, method of their synthesis, intermediate compounds used in this method, method of their synthesis and the use of novel ruthenium complexes in olefin metathesis reactions3 Sep 2026US 2026/0258066 A1
- Process for preparing allylic alcohol6 Aug 2026US 2026/0225981 A1
- Process and catalyst composition for preparing organosilicon compounds via isomerization of internal olefins and hydrosilylation6 Aug 2026US 2026/0226081 A1Dow Silicones Corporation
- Cycloolefin resin composition, resin material, preparation method therefor, and use thereof2 Jul 2026US 2026/0184913 A1Shanghai Sinochem Science & Technology Co., Ltd
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
- Vinly-substituted bridged metallocenes111US 5,565,592 APhillips Petroleum Company · 1996
- Method for depositing a fluorocarbonsulfonic acid polymer on a support from a solution104US 4,661,411 AThe Dow Chemical Company · 1987
- Method of preparing ruthenium and osmium carbene complexes104US 5,710,298 ACalifornia Institute of Technology · 1998