B01J 2531/66
Tungsten
B01J2531/66 (Tungsten) appears on 246 US grants and 210 published applications in this corpus.
Search patents in B01J- Granted patents
- 246
- Published applications
- 210
- Assignees
- 154
- Inventors
- 560
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 3 |
| 2003 | 6 | 5 |
| 2004 | 9 | 4 |
| 2005 | 2 | 8 |
| 2006 | 7 | 9 |
| 2007 | 5 | 8 |
| 2008 | 3 | 5 |
| 2009 | 5 | 15 |
| 2010 | 8 | 15 |
| 2011 | 9 | 15 |
| 2012 | 7 | 5 |
| 2013 | 8 | 10 |
| 2014 | 7 | 11 |
| 2015 | 10 | 8 |
| 2016 | 8 | 14 |
| 2017 | 11 | 14 |
| 2018 | 10 | 8 |
| 2019 | 6 | 12 |
| 2020 | 6 | 9 |
| 2021 | 7 | 6 |
| 2022 | 3 | 7 |
| 2023 | 7 | 7 |
| 2024 | 5 | 6 |
| 2025 | 2 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalytic hydrogenolysis of a polymer25 Aug 2026US 12,715,826 B2Northwestern University
- Ring opening metathesis catalyst systems for cyclic olefin polymerization17 Feb 2026US 12,552,878 B2ExxonMobil Chemical Patents Inc.
- Tungsten-containing bulk catalysts, method of making the same, and their use in low pressure diesel hydroprocessing30 Dec 2025US 12,508,582 B2ExxonMobil Technology and Engineering Company
- Nanofiber electrocatalyst8 Apr 2025US 12,269,020 B2Uchicago Argonne, LLC
- Supported oxide NH3-SCR catalysts with dual site surface species and synthesis processes10 Sep 2024US 12,083,503 B2Centre National De La Recherche Scientifique
- Process for preparing 2,3-unsaturated alcohols8 Oct 2026US 2026/0308092 A1BASF SE
- Ammonia synthesis catalyst, ammonia production device, and ammonia production method6 Aug 2026US 2026/0225088 A1Idemitsu Kosan Co., Ltd.
- Catalysts for Olefin Metathesis, Methods of Preparation, and Processes for the Use Thereof11 Jun 2026US 2026/0158480 A1
- Catalytic hydrogenolysis of a polymer31 Jul 2025US 2025/0243134 A1Northwestern University
- Cyclopentene recovery method20 Mar 2025US 2025/0091969 A1Zeon Corporation
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
- Transition metal olefin polymerization catalysts97US 5,504,049 AExxon Chemical Patents Inc. · 1996
- Olefin trimerisation using a catalyst comprising a source of chromium, molybdenum or tungsten and a ligand containing at least one phosphorous, arsenic or antimony atom bound to at least one (hetero)hydrocarbyl group65US 6,800,702 B2BP Chemicals Limited · 2004
- Hydroconversion processes employing multi-metallic catalysts and method for making thereof60US 8,173,570 B2Chevron U.S.A.Inc. · 2012
- Hydroconversion processes employing multi-metallic catalysts and method for making thereof59US 8,343,887 B2Chevron U.S.A.Inc. · 2013