Patents
US 11427697 B2: Use of sterols from animal waste as an additive in asphalt binder
- Granted
- 2022-08-30
- Filed
- 2018-07-24 application 16633754
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Disclosed are asphalt binder compositions that contain at least one sterol or stanol additive, or blends of sterols and stanol additives, wherein the sterol or stanol additive is derived from an animal waste or manure source such as swine manure. These sterol and stanol-based additives improve various rheological properties of the asphalt binder compositions showing reduced and/or mitigated aging characteristics.
Source: PVGPATDIS, file of 2026-04-10 (ipg220830.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| A.L.M. HOLDING COMPANY 47 patents | US company or organization | Onalaska, WI | A.L.M. HOLDING COMPANY State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
| Ergon Asphalt & Emulsions, Inc. 28 patents | US company or organization | Jackson, MS | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Gerald H. Reinke | La Crosse, WI | 44 | PVGPATDIS, file of 2026-04-10 | |
| Gaylon L. Baumgardner | Arkadelphia, AR | 46 | PVGPATDIS, file of 2026-04-10 | |
| Andrew Hanz | La Crosse, WI | 14 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C08K | Use of inorganic or non-macromolecular organic substances as compounding ingredients | C08K5/05 | PVGPATDIS, file of 2026-04-10 |
| C08L | Compositions of macromolecular compounds | C08L95/00 | PVGPATDIS, file of 2026-04-10 |
| E01C | Construction of, or surfaces for, roads, sports grounds, or the like; machines or auxiliary tools for construction or repair | E01C7/22 | PVGPATDIS, file of 2026-04-10 |
| C04B | Lime, magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone ; ceramics ; refractories; treatment of natural stone | C04B26/26 | 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 |
|---|---|---|---|---|---|
| 2020-01-24 | Assignment Assignment of assignor's interest | HANZ, ANDREW signed 2018-04-02 REINKE, GERALD signed 2018-04-03 BAUMGARDNER, GAYLON signed 2018-05-08 | ERGON ASPHALT & EMULSIONS, INC. JACKSON, MS ALM HOLDING COMPANY ONALASKA, WI | 51615/525 | 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.