Patents by Inventor Simone Haslinger

Simone Haslinger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Lyocell fibers and methods of producing the same
    Publication number: 20220380941
    Abstract: Colored lyocell type fibers comprising respun coloured recycled fibers and method of producing the same. According to the method a raw-material of colored recycled textile fibers is provided and dissolved in an ionic liquid to provide a spinning dope. By spinning the dope using dry jet-wet spinning colored respun textile fibers can be manufactured. The invention provides for the simultaneous recycling of cellulose fibers and dyes from dyed cotton waste in the form of dyed lyocell fibers.
    Type: Application
    Filed: September 17, 2020
    Publication date: December 1, 2022
    Inventors: Simone Haslinger, Yingfeng Wang, Eugenia Smirnova, Michael Hummel, Herbert Sixta, Marja Rissanen
  • Separation and upcycling of cellulose-containing blended waste
    Patent number: 11168196
    Abstract: According to an example aspect of the present invention, there is provided a method of separating cellulose and polyester from a material comprising a blend of cellulose and polyester, said method comprising the steps of mixing the material comprising a blend of cellulose and polyester with a first portion of superbase-based ionic liquid to dissolve a first portion of cellulose and form a first cellulose solution and a first residue comprising polyester, removing the first residue comprising polyester from the first cellulose solution, and directing the first cellulose solution to one or more further processing steps.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: November 9, 2021
    Assignee: Aalto University Foundation sr
    Inventors: Simone Haslinger, Michael Hummel, Herbert Sixta
  • Separation and upcycling of cellulose-containing blended waste
    Publication number: 20200079925
    Abstract: According to an example aspect of the present invention, there is provided a method of separating cellulose and polyester from a material comprising a blend of cellulose and polyester, said method comprising the steps of mixing the material comprising a blend of cellulose and polyester with a first portion of superbase-based ionic liquid to dissolve a first portion of cellulose and form a first cellulose solution and a first residue comprising polyester, removing the first residue comprising polyester from the first cellulose solution, and directing the first cellulose solution to one or more further processing steps.
    Type: Application
    Filed: December 20, 2017
    Publication date: March 12, 2020
    Inventors: Simone Haslinger, Michael Hummel, Herbert Sixta