Patents
US 12403451 B2: Surface grafted high internal phase emulsion foams for chemical separations
- Granted
- 2025-09-02
- Filed
- 2018-06-11 application 16004990
- Type
- Utility · 22 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A method of forming a high internal phase emulsion (HIPE) foam is provided. A nitroxide-containing monomer can be used in combination with other monomers that can then be used to make a high internal phase emulsion foam upon curing. The nitroxide group can subsequently be used to control the radical polymerization of many monomers, which can be grafted from the surface of the high internal phase emulsion foam. The resulting foam can be useful in performing separations of radioactive species, metals, metal ions, multi-element ions, metal complexes, halides, and organic chemical species in chemical process streams, clean-up operations, etc.
Source: PVGPATDIS, file of 2026-04-10 (ipg250902.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| University of South Carolina 570 patents | US company or organization | Columbia, SC | UNIVERSITY OF SOUTH CAROLINA Federal lobbying client EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
| Savannah River Nuclear Solutions, LLC 156 patents | US company or organization | Aiken, SC | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Brian Benicewicz | Columbia, SC | 39 | PVGPATDIS, file of 2026-04-10 | |
| Julia Grace Pribyl | Columbia, SC | 4 | PVGPATDIS, file of 2026-04-10 | |
| Thomas C. Shehee | Williston, SC | 1 | PVGPATDIS, file of 2026-04-10 | |
| Kathryn M. L. Taylor-Pashow | Aiken, SC | 3 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B01J | Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus | B01J20/285 | PVGPATDIS, file of 2026-04-10 |
| B01D | Separation | B01D15/22 | PVGPATDIS, file of 2026-04-10 |
| C08F | Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds | C08F2/26 | PVGPATDIS, file of 2026-04-10 |
| C08J | Working-up; general processes of compounding; after-treatment not covered by subclasses c08b, c08c, c08f, c08g or c08h | C08J9/405 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2022-12-16 | Assignment Assignment of assignor's interest | SAVANNAH RIVER NUCLEAR SOLUTIONS, LLC signed 2022-10-14 | BATTELLE SAVANNAH RIVER ALLIANCE, LLC AIKEN, SC | 62123/45 | ECORSEXC, file of 2026-09-25 |
| 2018-06-11 | Assignment Assignment of assignor's interest | SHEHEE, THOMAS C. signed 2018-05-31 TAYLOR-PASHOW, KATHRYN M.L. signed 2018-05-31 | SAVANNAH RIVER NUCLEAR SOLUTIONS, LLC AIKEN, SC | 46045/288 | ECORSEXC, file of 2026-09-25 |
| 2018-06-11 | Assignment Assignment of assignor's interest | BENICEWICZ, BRIAN signed 2018-06-04 PRIBYL, JULIA signed 2018-06-04 | UNIVERSITY OF SOUTH CAROLINA COLUMBIA, SC | 46045/138 | ECORSEXC, file of 2026-09-25 |
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.