Patents
US 12753111 B2: Zirconia-toughened glass ceramics
- Granted
- 2026-10-06
- Filed
- 2026-04-02 application 19637093
- Type
- Utility · 39 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
ZrO2-toughened glass-ceramic has high molar fractions of tetragonal ZrO2 and may also include also contain other secondary phases, including lithium silicates, that may be beneficial for toughening or for strengthening through an ion-exchange. Additional secondary phases may also decrease the coefficient of thermal expansion of the glass-ceramic. A method of making such glass-ceramic is also provided.
Source: PTBLXML, file of 2026-10-06 (ipgb20261006.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| CORNING INCORPORATED 4,960 patents | US company or organization | Corning, NY | CORNING INCORPORATED Federal lobbying client EXACT high confidence: identical full name and state | PTBLXML, file of 2026-10-06 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| George Halsey Beall | Big Flats, NY | 99 | PTBLXML, file of 2026-10-06 | |
| Qiang Fu | Painted Post, NY | 269 | PTBLXML, file of 2026-10-06 | |
| Charlene Marie Smith | Corning, NY | 169 | PTBLXML, file of 2026-10-06 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C03C | Chemical composition of glasses, glazes or vitreous enamels; surface treatment of glass; surface treatment of fibres or filaments made from glass, minerals or slags; joining glass to glass or other materials | C03C10/0027 | PTBLXML, file of 2026-10-06 |
| A61K | Preparations for medical, dental or toiletry purposes | A61K6/818 | PTBLXML, file of 2026-10-06 |
| C03B | Manufacture, shaping, or supplementary processes | C03B32/02 | PTBLXML, file of 2026-10-06 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
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.