Patents
US 10590012 B2: Sulfur-limonene polysulfide
- Granted
- 2020-03-17
- Filed
- 2015-10-13 application 15521099
- Type
- Utility · 35 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Disclosed is a limonene-sulfur polysulfide and methods for preparing the same. The polysulfide prepared according to these methods is flexible, moldable and otherwise capable of being formed in any manner consistent with a thermoplastic polymer. The limonene-sulfur polysulfide has been demonstrated to sequester inorganic palladium and inorganic mercury dissolved in water.
Source: PVGPATDIS, file of 2026-04-10 (ipg200317.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| The University of Tulsa 48 patents | US company or organization | Tulsa, OK | THE UNIVERSITY OF TULSA State business registration EXACT high confidence: identical full name and state THE UNIVERSITY OF TULSA Federal lobbying client EXACT high confidence: identical full name and state University of Tulsa College or university FUZZY medium confidence: same name (governing-board words and legal endings aside) and state UNIVERSITY OF TULSA Nonprofit FUZZY medium confidence: same name (governing-board words and legal endings aside) and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Justin Chalker | Adelaide, AU | 3 | PVGPATDIS, file of 2026-04-10 | |
| Michael P. Crockett | Watertown, MA | 1 | PVGPATDIS, file of 2026-04-10 | |
| Austin M. Evans | Broken Arrow, OK | 3 | PVGPATDIS, file of 2026-04-10 | |
| Max Worthington | Adelaide, AU | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C02F | Treatment of water, waste water, sewage, or sludge | C02F1/285 | PVGPATDIS, file of 2026-04-10 |
| B01J | Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus | B01J20/22 | PVGPATDIS, file of 2026-04-10 |
| C07C | Acyclic or carbocyclic compounds | C07C319/22 | 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 |
|---|---|---|---|---|---|
| 2021-05-06 | Assignment Assignment of assignor's interest | FLINDERS UNIVERSITY signed 2021-02-17 THE UNIVERSITY OF TULSA signed 2021-02-17 | PROJECT EARTH PTE LTD. SINGAPORE | 56153/583 | ECORSEXC, file of 2026-09-25 |
| 2021-03-05 | Assignment Assignment of assignor's interest | FLINDERS UNIVERSITY OF SOUTH AUSTRALIA signed 2021-02-10 | THE UNIVERSITY OF TULSA TULSA, OK | 55502/571 | ECORSEXC, file of 2026-09-25 |
| 2021-02-10 | Assignment Assignment of assignor's interest | FLINDERS UNIVERSITY OF SOUTH AUSTRALIA signed 2021-02-10 | THE UNIVERSITY OF TULSA TULSA, OK | 55212/656 | ECORSEXC, file of 2026-09-25 |
| 2021-02-10 | Assignment Assignment of assignor's interest | WORTHINGTON, MAX JOHN HALDANE signed 2021-02-04 | FLINDERS UNIVERSITY OF SOUTH AUSTRALIA BEDFORD PARK | 55212/517 | ECORSEXC, file of 2026-09-25 |
| 2017-05-18 | Assignment Assignment of assignor's interest | CHALKER, JUSTIN MARK signed 2014-10-28 CROCKETT, MICHAEL PAUL signed 2014-10-28 EVANS, AUSTIN MICHAEL signed 2014-10-28 | THE UNIVERSITY OF TULSA TULSA, OK | 42426/774 | 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.