Patents
US 12729288 B2: Tire having tread of specified rubber composition and related methods
- Granted
- 2026-09-08
- Filed
- 2020-11-05 application 17755633
- Type
- Utility · 18 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Disclosed herein are tires having a tread with improved stiffness made from a rubber composition of specified ingredients including an elastomer component, a resin component including a terpene phenol resin having a specified hydroxyl value and a DCPD-based resin, a filler component including reinforcing silica filler and carbon black, optionally a liquid plasticizer, and a cure package. Also disclosed are methods for improving the stiffness of a tire tread by using a resin component comprising a terpene phenol resin having a specified hydroxyl value and a DCPD-based resin in a rubber composition comprising an elastomer component, a filler component including reinforcing silica filler and carbon black, optionally a liquid plasticizer, and a cure package.
Source: PTBLXML, file of 2026-09-08 (ipgb20260908.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Bridgestone Americas Tire Operations, LLC 637 patents | US company or organization | Nashville, TN | PTBLXML, file of 2026-09-08 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Justin James Styer | Munroe Falls, OH | PTBLXML, file of 2026-09-08 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C08L | Compositions of macromolecular compounds | C08L7/00 | PTBLXML, file of 2026-09-08 |
| 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 2026-09-08 |
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.