Patents Assigned to Eternit, NV
  • Fiber cement flooring products and methods for the production thereof
    Patent number: 12168629
    Abstract: The present invention relates to fiber cement flooring products. In particular, the present invention provides fiber cement flooring products, at least comprising cement and fibers, characterized in that these fiber cement flooring products comprise amorphous silica in an amount of between about 2 weight % and about 15 weight % compared to the total dry weight of the fiber cement composition of said fiber cement flooring product. The present invention further relates to methods for the production of such fiber cement flooring products as well as uses of such fiber cement flooring products in the building industry. The present invention further relates to fiber cement formulations and fiber cement materials, which are suitable for the production of fiber cement products for flooring applications.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: December 17, 2024
    Assignees: Etex Services NV, Eternit NV
    Inventors: Ruben Bordin, Luc Van Der Heyden
  • Fiber cement flooring products and methods for the production thereof
    Patent number: 11597680
    Abstract: The present invention relates to fiber cement flooring products. In particular, the present invention provides fiber cement flooring products, at least comprising cement and fibers, characterized in that these fiber cement flooring products comprise amorphous silica in an amount of between about 2 weight % and about 15 weight % compared to the total dry weight of the fiber cement composition of said fiber cement flooring product. The present invention further relates to methods for the production of such fiber cement flooring products as well as uses of such fiber cement flooring products in the building industry. The present invention further relates to fiber cement formulations and fiber cement materials, which are suitable for the production of fiber cement products for flooring applications.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: March 7, 2023
    Assignees: Etex Services NV, Eternit NV
    Inventors: Ruben Bordin, Luc Van Der Heyden
  • Process for providing a fiber cement product
    Patent number: 11498242
    Abstract: A process for providing a fiber cement product is provided the process comprising the steps of: —providing an uncured fiber cement product; —curing said uncured fiber cement product; —drying said cured fiber cement product to obtain a humidity of said cured fiber cement product being less than or equal to about 8% w; —abrasive blasting at least part of the surface of said dried fiber cement product.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: November 15, 2022
    Assignee: Eternit, NV
    Inventor: Philippe Hellemans