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US 8,997,814 B2Granted
Mix for outer tyre portions of improved appearance
AssigneeBridgestone Corporation
InventorsRaffaele Di Ronza, Valeria Grenci
Life of this patent
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Abstract
A tire mix containing a cross-linkable, unsaturated-chain polymer base, curing agents, a reinforcing filler, and wax; the wax containing a paraffin wax containing a maximum of 45% by weight of normal paraffin.
Claims5
A tire mix comprising a cross-linkable, unsaturated-chain polymer base, curing agents, a reinforcing filler, and wax;
- wherein said wax comprises:
- 2 to 6 phr of natural wax;
- and
- a paraffin wax containing a maximum of 45% by weight of linear-chain hydrocarbons with a 15-70 carbon number, and a 40-60% by weight fraction of C15-C40 chains, at least 25% by weight of which comprises non-normal paraffin, and a 40-60% by weight fraction of C41-C70 chains, at least 50% by weight of which comprises non-normal paraffin.
1 more element
Dependencies are inferred from the claim text.