B01J 2531/821
Ruthenium
B01J2531/821 (Ruthenium) appears on 1,142 US grants and 1,000 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,142
- Published applications
- 1,000
- Assignees
- 539
- Inventors
- 2,385
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 11 | 0 |
| 1981 | 14 | 0 |
| 1982 | 22 | 0 |
| 1983 | 14 | 0 |
| 1984 | 21 | 0 |
| 1985 | 15 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 21 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 31 | 0 |
| 1999 | 32 | 0 |
| 2000 | 30 | 0 |
| 2001 | 34 | 9 |
| 2002 | 26 | 26 |
| 2003 | 42 | 43 |
| 2004 | 33 | 42 |
| 2005 | 24 | 38 |
| 2006 | 24 | 33 |
| 2007 | 28 | 24 |
| 2008 | 12 | 24 |
| 2009 | 20 | 30 |
| 2010 | 29 | 49 |
| 2011 | 16 | 41 |
| 2012 | 22 | 42 |
| 2013 | 35 | 53 |
| 2014 | 39 | 56 |
| 2015 | 41 | 69 |
| 2016 | 61 | 70 |
| 2017 | 61 | 41 |
| 2018 | 38 | 38 |
| 2019 | 37 | 41 |
| 2020 | 28 | 39 |
| 2021 | 36 | 41 |
| 2022 | 37 | 45 |
| 2023 | 29 | 34 |
| 2024 | 32 | 27 |
| 2025 | 17 | 31 |
| 2026 | 17 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalytic method for the preparation of perfluoroalkoxy-substituted arenes and heteroarenes6 Oct 2026US 12,753,139 B2Freie UniversitäT Berlin
- Method for preparing catalyst for selective hydrogenation of cyclododecatriene and catalyst prepared by preparation method1 Sep 2026US 12,722,147 B2Hanwha Solutions Corporation
- Process of making organic compounds1 Sep 2026US 12,723,012 B2Givaudan SA
- Oxidized polyethylene compounds and methods of making the same18 Aug 2026US 12,709,680 B2The Regents of the University of California
- Transcriptome In Vivo Analysis (TIVA) and Transcriptome In Situ Analysis (TISA)23 Jun 2026US 12,662,501 B2The Trustees of the University of Pennsylvania
- 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 Producing Guerbet Alcohols from Fusel Alcohols20 Aug 2026US 2026/0242315 A1Terra Mater BV
- Acridine-based ru-pincer catalysts for reversible hydrogen storage based on ethylene glycol16 Jul 2026US 2026/0200727 A1Yeda Research and Development Co. Ltd.
- Cycloolefin resin composition, resin material, preparation method therefor, and use thereof2 Jul 2026US 2026/0184913 A1Shanghai Sinochem Science & Technology Co., Ltd
- Process for the preparation of a chiral pyrrolo triazole alcohol11 Jun 2026US 2026/0159522 A1Hoffmann-La Roche Inc.
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
- Alkane and alkane group dehydrogenation with organometallic catalysts110US 6,909,009 B22005
- 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