B01D 2251/902
Edta
B01D2251/902 (Edta) appears on 37 US grants and 39 published applications in this corpus.
Search patents in B01D- Granted patents
- 37
- Published applications
- 39
- Assignees
- 35
- Inventors
- 110
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 4 |
| 2023 | 5 | 5 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for exhaust gas pollution reduction12 May 2026US 12,623,185 B2Mercury Capture Intellectual Property, LLC
- Brewery and steam vent odor control system3 Mar 2026US 12,565,631 B2Simple Solutions Distributing, LLC
- Recombinant microorganism including genetic modification that increases activity of nitric oxide reductase and method of reducing concentration of nitric oxide in sample by using the same10 Feb 2026US 12,545,932 B2Samsung Electronics Co., Ltd.
- Carbon dioxide fixation method3 Jun 2025US 12,319,584 B2Mitsubishi Heavy Industries, Ltd.
- Phototrophic purification of hydrogen sulfide containing streams15 Oct 2024US 12,115,492 B2ExxonMobil Technology and Engineering Company
- Apparatus and method for exhaust gas pollution reduction17 Sep 2026US 2026/0273462 A1Mercury Capture Intellectual Property, LLC
- Geocatalysts and their application to control co2 capture processes, economically and with environmental benefits28 Aug 2025US 2025/0269324 A1Danmarks Tekniske Universitet
- Surface carbon mineralization process using petroleum refinery solid waste material21 Aug 2025US 2025/0262595 A1
- Ocean fertilizer9 May 2024US 2024/0149217 A1Rory Korathu-Larson, LLC
- System for the chemical decontamination of corrosive gases16 Nov 2023US 2023/0364556 A1Prevor International
Most cited
By later US patents
- Method for effecting gas-liquid contact41US 5,585,005 AApollo Environmental Systems Corp. · 1996
- Process for the removal of hydrogen sulfide from a gas stream25US 5,730,784 AApollo Environmental Systems Corp. · 1998
- Method for effecting gas-liquid contact15US 5,520,818 AApollo Environmental Systems Corp. · 1996
- Method for effecting gas-liquid contact10US 5,500,135 AApollo Environmental Systems Corp. · 1996
- Chemical compositions and treatment systems and treatment methods using same for remediating H2S and other contaminants in gasses5US 10,913,911 B1Gaps Technology, LLC. · 2021