B01J 2531/60
Complexes comprising metals of group vi as the central metal
Official title: Complexes comprising metals of Group VI (VIA or VIB) as the central metal
B01J2531/60 (Complexes comprising metals of group vi as the central metal) appears on 845 US grants and 727 published applications in this corpus.
Search patents in B01J- Granted patents
- 845
- Published applications
- 727
- Assignees
- 370
- Inventors
- 1,881
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 12 | 0 |
| 1982 | 12 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 12 | 0 |
| 1987 | 16 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 16 | 0 |
| 1999 | 14 | 0 |
| 2000 | 24 | 0 |
| 2001 | 12 | 4 |
| 2002 | 14 | 11 |
| 2003 | 16 | 17 |
| 2004 | 22 | 17 |
| 2005 | 13 | 26 |
| 2006 | 16 | 21 |
| 2007 | 16 | 24 |
| 2008 | 13 | 24 |
| 2009 | 16 | 32 |
| 2010 | 22 | 35 |
| 2011 | 21 | 41 |
| 2012 | 21 | 25 |
| 2013 | 22 | 30 |
| 2014 | 26 | 45 |
| 2015 | 32 | 29 |
| 2016 | 33 | 31 |
| 2017 | 37 | 53 |
| 2018 | 30 | 32 |
| 2019 | 41 | 42 |
| 2020 | 30 | 36 |
| 2021 | 31 | 23 |
| 2022 | 34 | 42 |
| 2023 | 24 | 31 |
| 2024 | 23 | 21 |
| 2025 | 13 | 26 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ammonia manufacturing apparatus and ammonia manufacturing method1 Sep 2026US 12,723,315 B2Kabushiki Kaisha Toshiba
- Catalytic hydrogenolysis of a polymer25 Aug 2026US 12,715,826 B2Northwestern University
- Catalyst composition for oligomerization reaction11 Aug 2026US 12,702,971 B2Sabic Global Technologies B.V.
- Process for preparing polypropylene carbonate30 Jun 2026US 12,668,661 B2ENI S. p. A.
- 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
- Bulky and small-steric-hindrance ligand and use thereof17 Sep 2026US 2026/0273518 A1Dg Hc Optical Co., Ltd
- Ligand Compound, Organic Chromium Compound, and Catalyst Compositions Containing the Same3 Sep 2026US 2026/0257213 A1LG Chem.Ltd.
- Ammonia synthesis catalyst, ammonia production device, and ammonia production method6 Aug 2026US 2026/0225088 A1Idemitsu Kosan Co., Ltd.
- Ethylene oligomerization method with reduced polymer generation and improved productivity6 Aug 2026US 2026/0225976 A1
Most cited
By later US patents
- Polymerization of .alpha.-olefins with transition metal catalysts based on bidentate ligands containing pyridine or quinoline moiety209US 5,637,660 ALyondell Petrochemical Company · 1997
- Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts137US 5,770,753 ATargor GmbH · 1998
- Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts123US 5,840,644 ATargor GmbH · 1998
- Organometallic fluorenyl compounds and use thereof in an alpha-olefin polymerization process111US 5,571,880 APhillips Petroleum Company · 1996
- Ethylene trimerization100US 5,811,618 AAmoco Corporation · 1998