B01D 2321/42
Chemical regeneration
B01D2321/42 (Chemical regeneration) appears on 4 US grants and 12 published applications in this corpus.
Search patents in B01D- Granted patents
- 4
- Published applications
- 12
- Assignees
- 13
- Inventors
- 53
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 2 |
| 2025 | 0 | 3 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Methods for treating porous membranes24 Mar 2026US 12,582,944 B2Apache Corporation
- Ion suppressor and ion chromatograph27 Dec 2022US 11,534,700 B2Shimadzu Corporation
- Filtration processes and systems13 Dec 2022US 11,524,263 B1Wigen Companies, Inc.
- Method for manufacturing self-healing hydrogel-filled separation membrane for water treatment14 Apr 2020US 10,618,012 B2Kolon Global Corporation
- Hybrid filter and chemical cleaning assembly and method8 May 2025US 2025/0145495 A1
- Hybrid filter and chemical cleaning assembly and method8 May 2025US 2025/0145496 A1
- Removing bivalent ions from produced water27 Mar 2025US 2025/0100907 A1Saudi Arabian Oil Company
- System And Method For Wastewater Treatment Including Use of Microporous Media Beds5 Sep 2024US 2024/0294406 A1Agsmart, Inc.
- Process for removing carbon dioxide from acetylene using cha-type zeolite membrane16 May 2024US 2024/0157310 A1Cleveland State University
Most cited
By later US patents