Treatment process for crystallizing a metal sulfate
US-2026070803-A1 · Mar 12, 2026 · US
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Fraser Robert John patents
Fraser Robert John is listed as an inventor on 15 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Fraser Robert John |
| Total patents | 15 |
| First publication | May 4, 2021 |
| Latest publication | Mar 12, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Sodium sulfate by-product processing in lithium and battery chemical production
US-12522510-B2 · Jan 13, 2026 · US
Treatment process for crystallizing a metal sulfate
US-12441621-B2 · Oct 14, 2025 · US
Metal-dissolving apparatus, processes, and uses thereof
US-2025236927-A1 · Jul 24, 2025 · US
Processes for crystallizing metal sulfates and methods for producing crystallized metal sulfates
US-12281027-B2 · Apr 22, 2025 · US
Process and method for producing crystallized metal sulfates
US-2024409432-A1 · Dec 12, 2024 · US
Process and method for producing crystallized metal sulfates
US-12054401-B2 · Aug 6, 2024 · US
Metal-dissolving apparatus, processes and uses thereof
US-2024035112-A1 · Feb 1, 2024 · US
Ferronickel alloy direct refining processes and processes for producing nickle sulfate or other nickel products
US-11873539-B2 · Jan 16, 2024 · US
Ferronickel alloy direct refining processes and processes for producing nickle sulfate or other nickel products
US-2023193423-A1 · Jun 22, 2023 · US
Recent patents
Latest publications not already listed above.
Processes and methods for production of crystallized metal sulfates
US-2023048939-A1 · Feb 16, 2023 · US
Process and apparatus for removing impurities from crystallized metal sulfates
US-2023046474-A1 · Feb 16, 2023 · US
Sodium sulfate by-product processing in lithium and battery chemical production
US-2023052881-A1 · Feb 16, 2023 · US
Process and method for producing crystallized metal sulfates
US-2022009793-A1 · Jan 13, 2022 · US
Process for producing crystallized metal sulfates
US-10995014-B1 · May 4, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hatch Ltd | 15 |
| Northvolt Ab | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.