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The patent EP3753965 was granted to Continental Reifen Deutschland on Jan 15, 2025. The application was filed on May 12, 2020 under application number EP20174172A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
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.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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