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US 2022/0064412 A1Published application
Tire comprising a rubber composition having a pro-oxidant and a rubber crumb
AssigneeCompagnie Generale Des Etablissements Michelin
InventorsNATHALIE COSTE, SEVERIN DRONET, GUILLAUME HENNEBERT
Life of this patent
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Abstract
A tire comprises a rubber composition based on at least a rubber crumb, a diene elastomer, a pro-oxidant, a reinforcing filler and a crosslinking system, said rubber crumb representing 30% by mass or more of the composition, and exhibiting a ratio of the chloroform extract to the acetone extract of less than 2, the chloroform and acetone extracts being expressed as percentages by mass.
Claims21
-11. (canceled)
A tire comprising a rubber composition based on at least a rubber crumb, a diene elastomer, a pro-oxidant, a reinforcing filler and a crosslinking system,
- wherein the rubber crumb represents 30% by mass or more of the rubber composition and exhibits a ratio of a chloroform extract to an acetone extract of less than 2, the chloroform and acetone extracts being expressed as percentages by mass.
Dependencies are inferred from the claim text.