Patents Assigned to SULAPAC OY
  • Patent number: 11504878
    Abstract: Composition of a composite material for containers, method of the preparation thereof and its use. The composition comprises a continuous matrix of a thermoplastic polymer having a melting point higher than 110° C. and, distributed within the matrix, non-fibrillated wood particles having a sieved size greater than 1.0 mm. The weight ratio of thermoplastic polymer to wood particles being 45:55 to 80:20. Material further contains 0.1 to 10% by weight, calculated from the total weight of the thermoplastic polymer and the wood particles, of a slate-like mineral pigment. The material is particularly suitable for containers of cosmetic products, for foodstuff and for beverages.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: November 22, 2022
    Assignee: SULAPAC OY
    Inventors: Laura Tirkkonen-Rajasalo, Suvi Haimi