×

Method for protecting a tire against ozone

  • US 20030127170A1
  • Filed: 12/09/2002
  • Published: 07/10/2003
  • Est. Priority Date: 06/05/2001
  • Status: Abandoned Application
First Claim
Patent Images

1. A tire having a rubber outer surface based on essentially unsaturated dienic elastomers, wherein at least a part of the rubber outer surface is covered with a coating for protection against ozone, wherein said coating comprises at least one layer in contact with the air, wherein the layer comprises surfactants and polyurethane prepared from a polyol selected from the group consisting of aliphatic polyethers, aliphatic polyesters, and polyethers and polyesters whose main chain is semi-aromatic, and wherein bonds between the elastomer and the polyurethane are formed as a result of polar functions on the elastomer.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×