Patent No. EP3753965 (titled "Vehicle Tyre And Reinforcing Support And Reinforcing Support Bearing For Elastomeric Products, In Particular For A Vehicle Tyre") was filed by Continental Reifen Deutschland on May 12, 2020. The application was issued on Jan 15, 2025.
Reinforcement member and layer for elastomeric products, particularly vehicle tires, comprising fibers made from regenerated polyethylene terephthalate (PET) with an intrinsic viscosity of 0.86 to 0.98 dL/g. The fibers are produced by depolymerizing PET waste into monomers and then polycondensing them. The resulting fibers have a consistent product quality and can be used as a sustainable alternative to traditional PET fibers.

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