B01J 23/6522
Chromium
Official title: {Chromium}
B01J23/6522 (Chromium) appears on 100 US grants and 97 published applications in this corpus.
Search patents in B01J- Granted patents
- 100
- Published applications
- 97
- Assignees
- 104
- Inventors
- 356
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 9 |
| 2004 | 5 | 3 |
| 2005 | 4 | 7 |
| 2006 | 4 | 3 |
| 2007 | 1 | 4 |
| 2008 | 0 | 6 |
| 2009 | 4 | 1 |
| 2010 | 0 | 3 |
| 2011 | 4 | 4 |
| 2012 | 5 | 4 |
| 2013 | 1 | 4 |
| 2014 | 3 | 5 |
| 2015 | 5 | 2 |
| 2016 | 2 | 5 |
| 2017 | 4 | 4 |
| 2018 | 4 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 6 |
| 2021 | 5 | 2 |
| 2022 | 4 | 3 |
| 2023 | 2 | 3 |
| 2024 | 3 | 6 |
| 2025 | 0 | 2 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Semiconductor particles used in water-splitting photocatalyst, photocatalyst formed of semiconductor particles, and synthesis method thereof3 Dec 2024US 12,157,110 B2Konan Gakuen
- Catalyst for dehydrogenation of light alkanes5 Nov 2024US 12,134,084 B2Purdue Research Foundation
- Methods for operating polyethylene reactor systems29 Oct 2024US 12,129,365 B2Chevron Phillips Chemical Company LP
- Metal foil catalyst for the control of emissions from diesel engines19 Sep 2023US 11,759,747 B2Catalytic Combustion Corporation
- Method for co-production of hydrofluorocarbons1 Aug 2023US 11,713,288 B2Zhejiang Quhua Fluor-Chemistry Co Ltd
- Catalysts suitable for making light olefins by dehydrogenation that include chromium24 Sep 2026US 2026/0284641 A1Dow Global Technologies LLC
- Ammonia synthesis catalyst and ammonia synthesis method16 Jul 2026US 2026/0200745 A1Eneos Corporation
- Composite catalyst for hydrogen selective catalytic reduction, method of removing nitrogen oxides using the same, and air purification device including composite catalyst9 Jul 2026US 2026/0192248 A1Samsung Electronics Co., Ltd.
- Photocatalyst19 Mar 2026US 2026/0077337 A1Seiko Epson Corporation
- Methods for making light olefins by dehydrogenation using catalysts that include chromium18 Dec 2025US 2025/0382246 A1Dow Global Technologies LLC
Most cited
By later US patents
- Catalytic cracking process67US 4,072,600 AMobil Oil Corporation · 1978
- Supported catalyst and process for catalytic oxidation of volatile organic compounds63US 5,851,948 AHydrocarbon Technologies, Inc. · 1998
- Tunable catalyst gas phase hydrogenation of carboxylic acids62US 8,309,772 B2Celanese International Corporation · 2012
- Noble metal-containing supported catalyst and a process for its preparation52US 6,861,387 B2Umicore AG & Co. KG · 2005
- Three-way catalysts of improved efficiency49US 4,738,947 AEngelhard Corporation · 1988