B01J 20/0281
Sulfates of compounds other than those provided for in b01j20/045
Official title: {Sulfates of compounds other than those provided for in B01J20/045}
B01J20/0281 (Sulfates of compounds other than those provided for in b01j20/045) appears on 99 US grants and 134 published applications in this corpus.
Search patents in B01J- Granted patents
- 99
- Published applications
- 134
- Assignees
- 99
- Inventors
- 319
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 2 |
| 2003 | 2 | 3 |
| 2004 | 4 | 5 |
| 2005 | 1 | 5 |
| 2006 | 4 | 5 |
| 2007 | 2 | 4 |
| 2008 | 4 | 10 |
| 2009 | 3 | 8 |
| 2010 | 4 | 5 |
| 2011 | 3 | 7 |
| 2012 | 4 | 5 |
| 2013 | 2 | 5 |
| 2014 | 8 | 7 |
| 2015 | 5 | 7 |
| 2016 | 3 | 4 |
| 2017 | 3 | 2 |
| 2018 | 4 | 6 |
| 2019 | 3 | 11 |
| 2020 | 2 | 3 |
| 2021 | 3 | 4 |
| 2022 | 8 | 13 |
| 2023 | 1 | 4 |
| 2024 | 7 | 2 |
| 2025 | 3 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrolyte treatment system and method8 Jul 2025US 12,350,643 B2Pacific Industrial Development Corporation
- Getter cartridge for toxic gases inside valves10 Jun 2025US 12,326,223 B2Matheson Tri-Gas, Inc.
- Microporous polymeric filtering article with sorption particles8 Apr 2025US 12,269,008 B2
- Adsorbent particles31 Dec 2024US 12,179,169 B2Nippon Soda Co., Ltd.
- Modular extraction apparatus24 Dec 2024US 12,172,129 B2International Battery Metals, Ltd.
- Super Absorbent Polymer29 Jan 2026US 2026/0027548 A1LG Chem.Ltd.
- Sorbents for Nutrient Removal from Water18 Dec 2025US 2025/0382199 A1TDA Research, Inc.
- Desiccant based humidity regulator16 Oct 2025US 2025/0319452 A1
- Sorbents for removal of mercury and other contaminants29 May 2025US 2025/0170551 A1Calgon Carbon Corporation
- Modular extraction apparatus17 Apr 2025US 2025/0121329 A1International Battery Metals, Ltd.
Most cited
By later US patents
- System and method for sequestration and separation of mercury in combustion exhaust gas aqueous scrubber systems182US 7,722,843 B12010
- Reactive compositions for fluid treatment47US 6,861,002 B2Watervisions International, Inc. · 2005
- Method for producing chlorine dioxide using chemically impregnated zeolite46US 5,567,405 AKlatte Inc. · 1996
- Calcined, high surface area, particulate matter, processes using this matter, and admixtures with other agents35US 4,440,867 AEnsotech, Inc. · 1984
- Method for producing chlorine dioxide using chemically impregnated zeolite34US 5,730,948 AEnvironmental Safety Systems, Inc. · 1998