Patents
US 12709814 B2: Electrochemical cell and process for producing metal and chlorine gas
- Granted
- 2026-08-18
- Filed
- 2023-06-06 application 18329849
- Type
- Utility · 12 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An electrochemical cell for producing metal and chlorine from metal ore and a metal chloride includes a cathode, an anode, and a separator. A catholyte includes (i) water, (ii) a metal hydroxide comprising Q, where Q is an alkali metal, an alkaline earth metal, or a combination thereof, and (iii) suspended metal ore particles comprising MxOy where M is a metal and x and y are integers. An anolyte includes (i) water and (ii) a metal chloride comprising Q. An electrowinning process for producing metal and chlorine includes applying a voltage across the electrochemical cell to effect reduction of the MxOy in the cathode compartment to provide the metal M and oxidation of chloride ions in the anode compartment to form Cl2 gas.
Source: PTBLXML, file of 2026-08-18 (ipgb20260818.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| University of Oregon 77 patents | US company or organization | Eugene, OR | University of Oregon College or university EXACT high confidence: identical full name and state | PTBLXML, file of 2026-08-18 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Paul Kempler | Eugene, OR | PTBLXML, file of 2026-08-18 | ||
| Shannon W. Boettcher | Eugene, OR | 10 | PTBLXML, file of 2026-08-18 | |
| Berkley B. Noble | Alameda, CA | PTBLXML, file of 2026-08-18 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C25C | Processes for the electrolytic production, recovery or refining of metals; apparatus therefor | C25C1/06 | PTBLXML, file of 2026-08-18 |
| C25B | Electrolytic or electrophoretic processes for the production of compounds or non-metals; apparatus therefor | C25B1/26 | PTBLXML, file of 2026-08-18 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2023-06-06 | Assignment Assignment of assignor's interest | KEMPLER, PAUL signed 2023-05-31 BOETTCHER, SHANNON W. signed 2023-06-05 NOBLE, BERKLEY B. signed 2023-05-31 | UNIVERSITY OF OREGON EUGENE, OR | 63867/509 | PASDL, file of 2026-08-13 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.