B01J 31/34
Of chromium, molybdenum or tungsten
Official title: of chromium, molybdenum or tungsten
B01J31/34 (Of chromium, molybdenum or tungsten) appears on 178 US grants and 143 published applications in this corpus.
Search patents in B01J- Granted patents
- 178
- Published applications
- 143
- Assignees
- 102
- Inventors
- 463
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 1 |
| 2003 | 2 | 4 |
| 2004 | 2 | 4 |
| 2005 | 1 | 5 |
| 2006 | 7 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 3 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 3 |
| 2013 | 4 | 2 |
| 2014 | 3 | 5 |
| 2015 | 2 | 12 |
| 2016 | 8 | 9 |
| 2017 | 3 | 7 |
| 2018 | 7 | 8 |
| 2019 | 13 | 15 |
| 2020 | 12 | 14 |
| 2021 | 11 | 14 |
| 2022 | 13 | 10 |
| 2023 | 9 | 7 |
| 2024 | 7 | 3 |
| 2025 | 3 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of preparing a catalyst utilizing hydrated reagents10 Feb 2026US 12,544,745 B2Chevron Phillips Chemical Company LP
- Sustainable aviation fuel from normal alpha olefin byproducts and process for same3 Feb 2026US 12,540,287 B2Chevron Phillips Chemical Company LP
- Sustainable jet fuel and process20 Jan 2026US 12,528,999 B2Chevron Phillips Chemical Company LP
- Methods for chromium catalyst activation using oxygen-enriched fluidization gas13 May 2025US 12,297,310 B2Chevron Phillips Chemical Company LP
- Supported three-center catalyst and preparation method and application18 Mar 2025US 12,252,575 B2South China Agricultural University
- Methods of Preparing a Catalyst Utilizing Hydrated Reagents4 Jun 2026US 2026/0151760 A1Chevron Phillips Chemical Company LP
- Sustainable aviation fuel from normal alpha olefin byproducts and process for same16 Apr 2026US 2026/0103649 A1Chevron Phillips Chemical Company LP
- Photocatalytic paint, photocatalyst coating method, and photocatalyst-coated article14 Aug 2025US 2025/0256269 A1Sharp Kabushiki Kaisha
- Conjugated polymers infiltrated with inorganics for photocatalysis8 May 2025US 2025/0144606 A1Georgia Tech Research Corporation
- Sustainable jet fuel and process13 Mar 2025US 2025/0084327 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- Hydrotreatment catalyst, method for production and use thereof54US 8,318,628 B2Ifp Energies Nouvelles · 2012
- Process to regulate olefin production by catalyst system inhibition42US 5,689,028 APhillips Petroleum Company · 1997
- Oxidation of thiols employing cobalt molybdate/triethylamine catalyst40US 4,288,627 APhillips Petroleum Company · 1981
- Methods of preparing a catalyst utilizing hydrated reagents36US 10,323,109 B2Chevron Phillips Chemical Company LP · 2019
- Methods and catalysts for the manufacture of carbon fibrils34US 6,143,689 AHyperion Catalysis Int'l., Inc. · 2000