Patents
US 12703796 B2: Sterol in asphalt roofing materials
- Granted
- 2026-08-11
- Filed
- 2020-07-15 application 17627491
- Type
- Utility · 15 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Disclosed are compositions and methods of making and using asphalt roofing materials. The asphalt roofing materials include sterols. The sterols improve various rheological and aging properties of the asphalt roofing materials.
Source: PTBLXML, file of 2026-08-11 (ipgb20260811.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 | PTBLXML, file of 2026-08-11 |
| Ergon Asphalt & Emulsions, Inc. 28 patents | US company or organization | Jackson, MS | PTBLXML, file of 2026-08-11 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Gerald H. Reinke | La Crosse, WI | 44 | PTBLXML, file of 2026-08-11 | |
| Gaylon L. Baumgardner | Arkadelphia, AR | 46 | PTBLXML, file of 2026-08-11 | |
| Andrew Hanz | La Crosse, WI | 14 | PTBLXML, file of 2026-08-11 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C08L | Compositions of macromolecular compounds | C08L95/00 | PTBLXML, file of 2026-08-11 |
| C08J | Working-up; general processes of compounding; after-treatment not covered by subclasses c08b, c08c, c08f, c08g or c08h | C08J11/06 | PTBLXML, file of 2026-08-11 |
| D06N | Wall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material; flexible sheet material not otherwise provided for | D06N5/003 | PTBLXML, file of 2026-08-11 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2022-01-14 | Assignment Assignment of assignor's interest | REINKE, GERALD H. signed 2022-01-07 BAUMGARDNER, GAYLON L. signed 2022-01-12 HANZ, ANDREW signed 2022-01-10 | A.L.M. HOLDING COMPANY ONALASKA, WI ERGON ASPHALT & EMULSIONS, INC. JACKSON, MS | 58663/215 | 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.