B01J 23/31
Combined with bismuth
Official title: combined with bismuth
B01J23/31 (Combined with bismuth) appears on 134 US grants and 93 published applications in this corpus.
Search patents in B01J- Granted patents
- 134
- Published applications
- 93
- Assignees
- 78
- Inventors
- 362
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 4 | 2 |
| 2004 | 3 | 10 |
| 2005 | 2 | 4 |
| 2006 | 4 | 1 |
| 2007 | 1 | 7 |
| 2008 | 4 | 8 |
| 2009 | 7 | 4 |
| 2010 | 1 | 4 |
| 2011 | 5 | 7 |
| 2012 | 2 | 0 |
| 2013 | 5 | 2 |
| 2014 | 0 | 3 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 1 |
| 2018 | 2 | 5 |
| 2019 | 3 | 3 |
| 2020 | 3 | 4 |
| 2021 | 0 | 4 |
| 2022 | 5 | 5 |
| 2023 | 4 | 5 |
| 2024 | 1 | 4 |
| 2025 | 3 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production of acrolein or acrylic acid from iso-propanol with high yeild and low cost14 Jul 2026US 12,679,795 B2Rohm and Haas Company
- Ammoxidation catalyst for propylene, manufacturing method of the same catalyst, ammoxidation method using the same catalyst10 Mar 2026US 12,569,835 B2LG Chem.Ltd.
- Dielectric material comprising bismuth compound and method of making the same23 Dec 2025US 12,502,662 B2Samsung Electronics Co., Ltd.
- Bismuth tungstate/bismuth sulfide/molybdenum disulfide heterojunction ternary composite material and preparation method and application thereof25 Feb 2025US 12,234,193 B2Qilu University of Technology
- Perylene imide and composite photocatalytic material thereof, preparation method therefor and application thereof in removing organic pollutants from water18 Feb 2025US 12,226,759 B2Soochow University
- Catalysts for oxidative dehydrogenation10 Sep 2026US 2026/0264055 A1NOVA Chemicals (International) S.A.
- Catalyst and process for the dehydrogenation of alkanes to olefins6 Aug 2026US 2026/0225079 A1Dow Global Technologies LLC
- Catalyst for the manufacture of acrylonitrile16 Oct 2025US 2025/0319457 A1Ineos Europe AG
- Catalyst and process for the dehydrogenation of alkanes to olefins24 Oct 2024US 2024/0351004 A1Dow Global Technologies LLC
- Production of acrolein or acrylic acid from iso-propanol with high yeild and low cost11 Jul 2024US 2024/0228417 A9Rohm and Haas Company
Most cited
By later US patents
- Catalysts useful for exothermic reactions70US 4,077,912 AThe Standard Oil Company · 1978
- Method for the oxidative dehydrogenation of ethane46US 7,319,179 B2Consejo Superior de Investigaciones Cientificas · 2008
- Process for oxidation of propane41US 5,198,580 AThe Standard Oil Company · 1993
- Producing acrolein and acrylic acid using a supported dual activity molybdenum, iron, and bismuth based catalyst in a fixed bed multitubular reactor37US 6,028,220 ANippon Kayaku Kabushiki Kaisha · 2000
- Method for the catalytic gas-phase oxidation of propene to acrylic acid32US 6,525,217 B1BASF SE · 2003