Patents by Inventor Dieter WALESCH

Dieter WALESCH 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).

  • Fibrous substrate for producing a porous coating base paper or prepreg, and method for the production thereof
    Patent number: 10767311
    Abstract: A fibrous substrate material for producing a porous coating base paper or prepreg comprises a planar impregnatable structure made of cellulose fibers, which contains at least one pigment species and optionally contains further additives conventional for paper. The cellulose fibers contain a proportion of 1 to 20 wt.-% of nanofibrillated cellulose (NFC). A method for producing the fibrous substrate material comprises the steps of: providing an aqueous suspension containing a cellulose containing material and an admixture of said pigment species and, optionally, further additives conventional for paper, sheet forming, drying. The cellulose containing material contains a proportion of 1 to 20 wt.-% of NFC with a specific surface (SSA) of at least 125 m2/g.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: September 8, 2020
    Assignees: Schattdecor AG, Factum Consult GmbH
    Inventors: Dieter Walesch, Tanja Zimmermann, Gilberto Siqueira, Sebastien Josset
  • FIBROUS SUBSTRATE FOR PRODUCING A POROUS COATING BASE PAPER OR PREPREG, AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20180179707
    Abstract: A fibrous substrate material for producing a porous coating base paper or prepreg comprises a planar impregnatable structure made of cellulose fibers, which contains at least one pigment species and optionally contains further additives conventional for paper. The cellulose fibers contain a proportion of 1 to 20 wt.-% of nanofibrillated cellulose (NFC). A method for producing the fibrous substrate material comprises the steps of: providing an aqueous suspension containing a cellulose containing material and an admixture of said pigment species and, optionally, further additives conventional for paper, sheet forming, drying. The cellulose containing material contains a proportion of 1 to 20 wt.-% of NFC with a specific surface (SSA) of at least 125 m2/g.
    Type: Application
    Filed: June 3, 2016
    Publication date: June 28, 2018
    Applicants: Schattdecor AG, Factum Consult GmbH
    Inventors: Dieter WALESCH, Tanja ZIMMERMANN, Gilberto SIQUEIRA, Sebastian JOSSET