B01J 27/199
With chromium, molybdenum, tungsten or polonium
Official title: with chromium, molybdenum, tungsten or polonium
B01J27/199 (With chromium, molybdenum, tungsten or polonium) appears on 289 US grants and 168 published applications in this corpus.
Search patents in B01J- Granted patents
- 289
- Published applications
- 168
- Assignees
- 119
- Inventors
- 609
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 13 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 14 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 3 |
| 2003 | 3 | 6 |
| 2004 | 6 | 10 |
| 2005 | 7 | 4 |
| 2006 | 1 | 7 |
| 2007 | 5 | 11 |
| 2008 | 2 | 5 |
| 2009 | 8 | 8 |
| 2010 | 6 | 10 |
| 2011 | 6 | 9 |
| 2012 | 7 | 8 |
| 2013 | 7 | 19 |
| 2014 | 11 | 9 |
| 2015 | 8 | 11 |
| 2016 | 6 | 9 |
| 2017 | 6 | 4 |
| 2018 | 10 | 4 |
| 2019 | 2 | 4 |
| 2020 | 5 | 2 |
| 2021 | 6 | 8 |
| 2022 | 4 | 5 |
| 2023 | 0 | 2 |
| 2024 | 2 | 4 |
| 2025 | 2 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing hydrocyanic acid and device for producing hydrocyanic acid9 Jun 2026US 12,649,667 B1Mitsubishi Chemical Corporation
- Method for producing isobutylene, method for producing methacrylic acid, and method for producing methyl methacrylate10 Mar 2026US 12,570,598 B2Mitsubishi Chemical Corporation
- Catalyst system for producing maleic anhydride by means of the catalytic oxidation of n-butane18 Nov 2025US 12,472,488 B2Clariant International Ltd.
- Regenerated denitration catalyst and method for manufacturing the same, and denitration apparatus30 Sep 2025US 12,427,509 B2Mitsubishi Heavy Industries, Ltd.
- Catalyst and process of oxidative dehydrogenation of propane9 Jul 2024US 12,030,039 B2Petroleo Brasileiro S.A. - Petrobras
- Catalyst precursor and method for manufacturing same, catalyst molded article and method for manufacturing same, method for manufacturing catalyst, method for manufacturing alpha,beta-unsaturated carboxylic acid, and method for manufacturing alpha,beta-unsaturated carboxylic acid ester17 Jul 2025US 2025/0229258 A1Mitsubishi Chemical Corporation
- Catalyst for producing (meth)acrylic acid, and method for producing catalyst for producing (meth)acrylic acid19 Jun 2025US 2025/0196112 A1LG Chem.Ltd.
- Catalyst for methacrylic acid production, method for producing same, and method for producing methacrylic acid and methacrylic acid esters using catalyst9 Jan 2025US 2025/0010274 A1Mitsubishi Chemical Corporation
- Catalyst for methacrylic acid production, method for producing same, and method for producing methacrylic acid and methacrylic acid esters using catalyst9 Jan 2025US 2025/0010276 A1Mitsubishi Chemical Corporation
- Method for producing catalyst molded article used when producing alpha,beta-unsaturated carboxylic acid, and method for producing alpha,beta-unsaturated carboxylic acid and alpha,beta-unsaturated carboxylic acid ester using same19 Dec 2024US 2024/0416328 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Catalytic system for olefin oxidation to carbonyl products65US 5,506,363 ACatalytica, Inc. · 1996
- Catalytic system for olefin oxidation to carbonyl products64US 5,557,014 ACatalytica, Inc. · 1996
- Oxidation process for the production of alkenes and carboxylic acids56US 6,727,380 B2BP Chemicals Limited · 2004
- Production of maleic anhydride and catalysts therefor46US 4,147,661 AImperial Chemical Industries PLC · 1979
- Process for oxidation of propane41US 5,198,580 AThe Standard Oil Company · 1993