C01F 7/745
Preparation from alums
Official title: Preparation from alums, e.g. alunite
C01F7/745 (Preparation from alums) appears on 0 US grants and 3 published applications in this corpus.
Search patents in C01F- Granted patents
- 0
- Published applications
- 3
- Assignees
- 3
- Inventors
- 12
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
No granted patents in this class yet.
- A method for the preparation of alumina13 Aug 2026US 2026/0234017 A1Playa One Pty Ltd
- Method of processing alum process residue5 Mar 2026US 2026/0062306 A1Chemtrade Chemicals US LLC
- Extraction process for reducing the alunite content from tailings, product, and its use21 Aug 2025US 2025/0263305 A1Vale S.A.
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.