B01D 2251/2065
Ammonium hydroxide
B01D2251/2065 (Ammonium hydroxide) appears on 26 US grants and 33 published applications in this corpus.
Search patents in B01D- Granted patents
- 26
- Published applications
- 33
- Assignees
- 27
- Inventors
- 82
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 6 |
| 2011 | 2 | 7 |
| 2012 | 10 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Chemical compositions and methods of using same for remediating sulfur-containing compositions and other contaminants in fluids10 Feb 2026US 12,545,842 B2Gaps Technology, LLC.
- CO2 capture and utilization system and method6 Jan 2026US 12,515,170 B2University of Kentucky Research Foundation
- Integrated electrocoagulation desalination process with carbon dioxide capture and solid recovery23 Sep 2025US 12,421,140 B1United Arab Emirates University
- Alumina binders for SCR catalysts28 Feb 2023US 11,590,482 B1Johnson Matthey Public Limited Company
- Fluid for purifying heat engines and methods for preparing said fluids by emulsification15 Sep 2020US 10,774,709 B2Fp Energies Nouvelles
- Production of nitrogen, potassium, sulfur nutrient through de-carbonization and utilization of calcium sulfate3 Sep 2026US 2026/0257974 A1Sabic Agri-Nutrients Company
- Integrated electrocoagulation desalination process with carbon dioxide capture and solid recovery25 Jun 2026US 2026/0176173 A1United Arab Emirates University
- Method for treating greenhouse gases and system applying the same4 Dec 2025US 2025/0369377 A1Industrial Technology Research Institute
- Chemical compositions and methods of using same for remediating sulfur-containing compositions and other contaminants in fluids29 Feb 2024US 2024/0067887 A1Gaps Technology, LLC.
- Co2 capture and utilization system and method26 Jan 2023US 2023/0021734 A1University of Kentucky Research Foundation
Most cited
By later US patents
- Gas liquid contactor and effluent cleaning system and method27US 7,866,638 B2Neumann Systems Group, Inc. · 2011
- Method of separating at least two fluids with an apparatus14US 8,088,292 B2Neumann Systems Group, Inc. · 2012
- Gas liquid contactor and effluent cleaning system and method14US 8,336,863 B2Neumann Systems Group, Inc. · 2012
- ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts13US 8,017,097 B1Umicore AG & Co. KG · 2011
- Method for enhancing a gas liquid contactor13US 8,262,777 B2Neumann Systems Group, Inc. · 2012