Patents
US 12709571 B2: Production of activated-belite-CSA clinkers at extremely low firing temperature
- Granted
- 2026-08-18
- Filed
- 2022-03-17 application 18283871
- Type
- Utility · 14 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A raw meal for a cement clinker, a cement clinker made from that raw meal and a process for producing a cement clinker are provided. The clinker contains mainly the hydraulically activate alpha′H-belite polymorph and calcium sulfoaluminate (ye'elimite or C4A3Ś), at the low firing temperature of 1050° C., using a combination of fluoride and boron oxide.
Source: PTBLXML, file of 2026-08-18 (ipgb20260818.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| University of Kentucky Research Foundation 446 patents | US company or organization | Lexington, KY | UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION Nonprofit EXACT high confidence: identical full name and state | PTBLXML, file of 2026-08-18 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Tristana Duvallet | Lexington, KY | 4 | PTBLXML, file of 2026-08-18 | |
| Thomas Lee Robl | Sadieville, KY | PTBLXML, file of 2026-08-18 | ||
| Robert B. Jewell | Lexington, KY | PTBLXML, file of 2026-08-18 | ||
| Anne Elizabeth Oberlink | Lexington, KY | PTBLXML, file of 2026-08-18 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C04B | Lime, magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone ; ceramics ; refractories; treatment of natural stone | C04B7/3453 | PTBLXML, file of 2026-08-18 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2023-10-20 | Assignment Assignment of assignor's interest | DUVALLET, TRISTANA signed 2023-10-04 ROBL, THOMAS signed 2023-10-04 JEWELL, ROBERT signed 2023-10-10 OBERLINK, ANNE signed 2023-10-04 | UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION LEXINGTON, KY | 65292/123 | 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.