B01D 2323/21823
Alcohols or hydroxydes
Official title: Alcohols or hydroxydes, e.g. ethanol, glycerol or phenol
B01D2323/21823 (Alcohols or hydroxydes) appears on 10 US grants and 25 published applications in this corpus.
Search patents in B01D- Granted patents
- 10
- Published applications
- 25
- Assignees
- 17
- Inventors
- 72
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 6 |
| 2021 | 3 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 0 | 2 |
| 2025 | 2 | 4 |
| 2026 | 1 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for producing a gas separation membrane28 Jul 2026US 12,691,417 B2Kerionics, S.L.
- Filtration apparatus containing graphene oxide membrane26 Aug 2025US 12,397,268 B2Via Separations, Inc.
- Durable graphene oxide membranes15 Jul 2025US 12,357,950 B2Via Separations, Inc.
- Durable graphene oxide membranes15 Nov 2022US 11,498,034 B2Via Separations, Inc.
- Filtration apparatus containing graphene oxide membrane21 Sep 2021US 11,123,694 B2Via Separations, Inc.
- Separation methods and systems13 Aug 2026US 2026/0233170 A1Altr Fltr Inc.
- Filtration apparatus containing graphene oxide membrane25 Jun 2026US 2026/0175179 A1Via Separations, Inc.
- Durable graphene oxide membranes7 May 2026US 2026/0124586 A1Via Separations, Inc.
- Method for modifying polymer membrane, modified polymer membrane, and filtration device25 Dec 2025US 2025/0387760 A1Alioth Biotech (Shanghai) Co., Ltd.
- Graphene oxide membranes comprising sulfonated support27 Nov 2025US 2025/0360466 A1
Most cited
By later US patents
- Durable graphene oxide membranes5US 11,097,227 B2Via Separations, Inc. · 2021
- Filtration apparatus containing graphene oxide membrane5US 11,123,694 B2Via Separations, Inc. · 2021
- Durable graphene oxide membranes3US 11,498,034 B2Via Separations, Inc. · 2022
- Microporous articles with a three-dimensional porous network of acid-sintered interconnected silica nanoparticles and methods of making the same2US 10,328,389 B23M Innovative Properties Company · 2019