B01D 2251/508
Sulfur dioxide
B01D2251/508 (Sulfur dioxide) appears on 22 US grants and 25 published applications in this corpus.
Search patents in B01D- Granted patents
- 22
- Published applications
- 25
- Assignees
- 16
- Inventors
- 46
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 2 |
| 2017 | 3 | 4 |
| 2018 | 6 | 4 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Process for producing fertilizer from a biogas stream24 Mar 2026US 12,583,801 B2ThioSolv, LLC
- Process for eliminating hydrogen sulfide in an ammonium sulfate solution14 Oct 2025US 12,440,806 B2ThioSolv, LLC
- Methods and systems for automatically generating a remedial action in an industrial facility7 Jan 2025US 12,190,701 B2Suncoke Technology and Development LLC
- Methods and systems for automatically generating a remedial action in an industrial facility22 Nov 2022US 11,508,230 B2Suncoke Technology and Development LLC
- Method and apparatus for treating a sulfur dioxide containing stream by hydrogen sulfide in aqueous conditions17 Mar 2020US 10,589,223 B1Saudi Arabian Oil Company
- Process for stabilizing nutrients in a discharged anaerobic digestate10 Jul 2025US 2025/0222400 A1ThioSolv, LLC
- Pollutant removal apparatus and method12 Dec 2024US 2024/0408541 A1Daphne Technology SA
- Process for eliminating hydrogen sulfide in an ammonium sulfate solution8 Feb 2024US 2024/0042381 A1ThioSolv, LLC
- Methods and systems for automatically generating a remedial action in an industrial facility9 Nov 2023US 2023/0360511 A1Suncoke Technology and Development LLC
- Process for producing fertilizer from a biogas stream21 Sep 2023US 2023/0295055 A1ThioSolv, LLC
Most cited
By later US patents
- Process for sulfur removal suitable for treating high-pressure gas streams77US 7,381,393 B2The Regents of the University of California · 2008
- Multi-component removal in flue gas by aqua ammonia63US 7,255,842 B1United States of America Department of Energy · 2007
- Methods and systems for automatically generating a remedial action in an industrial facility13US 11,508,230 B2Suncoke Technology and Development LLC · 2022
- Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology10US 10,106,411 B2Saudi Arabian Oil Company · 2018
- Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology6US 10,479,684 B2Saudi Arabian Oil Compnay · 2019