Patents
US 12698380 B2: Rubber composition for a winter tire and a winter tire
- Granted
- 2026-08-04
- Filed
- 2022-12-14 application 18065763
- Type
- Utility · 19 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention is directed to a rubber composition comprising 35 phr to 60 phr of a first polybutadiene rubber having a glass transition temperature within a range of −80° C. to −105° C., 5 phr to 30 phr of a second polybutadiene rubber having a glass transition temperature within a range of −20° C. to −40° C., 10 phr to 60 phr of polyisoprene selected from one or more of synthetic polyisoprene and natural rubber, 30 phr to 200 phr of at least one filler, and 40 phr to 120 phr of at least one plasticizer having a glass transition temperature within a range of −40° C. to −110° C. Furthermore, the present invention is directed to a tire comprising the rubber composition.
Source: PTBLXML, file of 2026-08-04 (ipgb20260804.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| THE GOODYEAR TIRE & RUBBER COMPANY 2,292 patents | US company or organization | Akron, OH | PTBLXML, file of 2026-08-04 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Luisa Fernanda Munoz Mejia | Troine, LU | PTBLXML, file of 2026-08-04 | ||
| Claude Charles Jacoby | Wasserbillig, LU | 11 | PTBLXML, file of 2026-08-04 | |
| Karmena Izabela Anyfantaki | Helmsange, LU | 4 | PTBLXML, file of 2026-08-04 | |
| Evangelia Konstantaki | Bissen, LU | 3 | PTBLXML, file of 2026-08-04 | |
| Veronique Marie-Josee Herbeuval | Waltzing, LU | PTBLXML, file of 2026-08-04 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C08L | Compositions of macromolecular compounds | C08L9/00 | PTBLXML, file of 2026-08-04 |
| B60C | Vehicle tyres; tyre inflation; tyre changing; connecting valves to inflatable elastic bodies in general; devices or arrangements related to tyres | B60C1/0016 | PTBLXML, file of 2026-08-04 |
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.