Patents Assigned to Eternit GmbH
  • Patent number: 10562824
    Abstract: The present invention relates to processes for producing fiber cement products as well as to the fiber cement products obtainable therewith. More specifically, the present invention relates to fiber cement products that are suitable for being subjected to ink-jet printing, which fiber cement products at least comprise on their outer surface one or more cured layers of a first coating composition, which at least comprises a binder and a pigment and which is characterized by a pigment volume concentration of higher than about 40%. The invention further provides processes for producing such fiber cement products. Moreover, the present invention provides processes for producing ink-jet printed fiber cement products and ink jet printed fiber cement products obtainable therewith. The present invention further relates to various uses of these fiber cement products, in particular as building materials.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: February 18, 2020
    Assignee: Eternit GmbH
    Inventors: Raphael Hoque Chowdhury, Nicolas Lüders, Gerhard Schmidt
  • Patent number: 10300625
    Abstract: The present invention relates to processes and apparatuses for producing hydrophobized fiber cement sheets as well as fiber cement sheets obtainable therewith. In particular, the present invention provides processes for manufacturing a hydrophobized fiber cement product, said process at least comprising the steps of: (i) forming at least one fiber cement film on a rotating sieve in contact with a fiber cement slurry in a vat; (ii) transferring said at least one fiber cement film from said sieve to a felt transport belt, (iii) applying a mist of a hydrophobizing agent to said at least one fiber cement film, and (iv) accumulating the fiber cement film on an accumulator roll via the felt transport belt, so as to form a hydrophobized fiber cement product. The present invention further relates to various uses of the fiber cement sheets obtainable by the processes of the invention in the building industry.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: May 28, 2019
    Assignee: Eternit GmbH
    Inventors: Frank Reintjes, Mario Beermann, Michael Orlowski