B01J 20/045
Containing sulfur
Official title: {containing sulfur, e.g. sulfates, thiosulfates, gypsum}
B01J20/045 (Containing sulfur) appears on 148 US grants and 181 published applications in this corpus.
Search patents in B01J- Granted patents
- 148
- Published applications
- 181
- Assignees
- 153
- Inventors
- 440
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 6 |
| 2002 | 3 | 6 |
| 2003 | 3 | 4 |
| 2004 | 3 | 3 |
| 2005 | 4 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 8 |
| 2008 | 1 | 8 |
| 2009 | 5 | 9 |
| 2010 | 5 | 8 |
| 2011 | 4 | 8 |
| 2012 | 7 | 6 |
| 2013 | 8 | 12 |
| 2014 | 10 | 9 |
| 2015 | 7 | 8 |
| 2016 | 4 | 14 |
| 2017 | 10 | 6 |
| 2018 | 6 | 11 |
| 2019 | 4 | 4 |
| 2020 | 6 | 10 |
| 2021 | 5 | 7 |
| 2022 | 4 | 5 |
| 2023 | 2 | 10 |
| 2024 | 4 | 7 |
| 2025 | 7 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lithium adsorbent and method for lithium extraction from salt lake12 May 2026US 12,623,201 B2BYD Company Limited
- Water absorbing agent composition and method for producing same17 Mar 2026US 12,576,388 B2Nippon Shokubai Co., Ltd.
- Noxious gas purificant and its preparation and purification method thereof25 Nov 2025US 12,478,945 B2
- Beehive indoor-air alternate-working dehumidification system with sterilization function and method25 Nov 2025US 12,480,670 B2Nanjing Tech University
- Preparation method of mercury removal material30 Sep 2025US 12,427,495 B2Central South University
- Superabsorbent polymer, method of making the same, and foodstuff packaging material including the same15 Jan 2026US 2026/0014547 A1Formosa Plastics Corporation
- Desiccant based humidity regulator16 Oct 2025US 2025/0319452 A1
- Catalyst composition1 May 2025US 2025/0135439 A1Shell Oil Company
- Preparation Method for Functional Material for Extracting Lithium from Aluminum Salt13 Mar 2025US 2025/0083122 A1Chengdu Chemphys Chemical Industry Co., Ltd
- Compositions and methods to remove ammonia in freshwater and saltwater fish storage systems27 Feb 2025US 2025/0066225 A1University of South Florida
Most cited
By later US patents
- Moisture-absorbent compositions and molded items63US 5,078,909 ASasaki Chemicals Co., Ltd. · 1992
- Highly reactive reagents and compositions for purifying exhaust gases and wastewater, production and use thereof56US 5,502,021 AWalhalla-Kalk Entwicklungs-Und Vertriebsgesellschaft · 1996
- 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
- Fluidizable particulate materials and methods of making same46US 5,972,835 AResearch Triangle Institute · 1999