Patents
US 12626944 B2: Antioxidant substituted sulfonated ion exchange membranes
- Granted
- 2026-05-12
- Filed
- 2021-12-01 application 18037925
- Type
- Utility · 14 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The disclosed technology relates to antioxidant substituted sulfonic acid polymers and ion exchange membranes prepared therefrom. The bonding of the polymer with an antioxidant can minimize the antioxidant from interfering with ion conductivity and prevent the antioxidant from leaching onto other layers or onto catalysts.
Source: PTBLXML, file of 2026-05-12 (ipgb20260512.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| The Lubrizol Corporation 368 patents | US company or organization | Wickliffe, OH | PTBLXML, file of 2026-05-12 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Thomas S. Corrigan | Lakewood, OH | 5 | PTBLXML, file of 2026-05-12 | |
| Christopher M. Rasik | Cleveland, OH | 6 | PTBLXML, file of 2026-05-12 | |
| William Storms-Miller | Lakewood, OH | PTBLXML, file of 2026-05-12 | ||
| Bryan Tucker | Lakewood, OH | PTBLXML, file of 2026-05-12 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H01M | Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy | H01M8/1023 | PTBLXML, file of 2026-05-12 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
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.