Patents
US 12734772 B2: Sealant composition for self-sealing pneumatic tire
- Granted
- 2026-09-15
- Filed
- 2023-03-29 application 18127861
- Type
- Utility · 17 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A sealant composition suited to forming a sealant layer in a tire includes 100 phr elastomers, including at least 60 phr of an isobutylene-based elastomer component, and at least 5 phr of a conjugated diene-based elastomer component. The sealant composition further includes at least 5 phr of particulate filler, at least 0.5 phr of an organic peroxide, and optionally a colorant which provides the sealant with a non-black color.
Source: PTBLXML, file of 2026-09-15 (ipgb20260915.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 2026-09-15 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Michael Lawrence Gersman | Cleveland, OH | 8 | PTBLXML, file of 2026-09-15 | |
| George Jim Papakonstantopoulos | Medina, OH | 27 | PTBLXML, file of 2026-09-15 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B29C | Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-treatment of the shaped products, e.g. repairing | B29C73/163 | PTBLXML, file of 2026-09-15 |
| 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 2026-09-15 |
| C08K | Use of inorganic or non-macromolecular organic substances as compounding ingredients | C08K3/36 | PTBLXML, file of 2026-09-15 |
| C08L | Compositions of macromolecular compounds | C08L23/22 | PTBLXML, file of 2026-09-15 |
| B29K | Indexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for ; moulds, ; reinforcements, fillers or preformed parts, e.g. inserts | B29K2023/22 | PTBLXML, file of 2026-09-15 |
| B29L | Indexing scheme associated with subclass b29c, relating to particular articles | B29L2030/002 | PTBLXML, file of 2026-09-15 |
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.