Patents by Inventor Hans Ludwig Hahn

Hans Ludwig Hahn 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).

  • Amino resin film and method of producing the same
    Patent number: 9592649
    Abstract: An amino resin film, obtained by at least partial curing of an aminoplastic-nonwoven impregnate having a residual moisture of at least 4.0% by weight, comprising, in each case in relation to the total weight of the aminoplastic-nonwoven impregnate, (a) 5.0% by weight to 95.0% by weight of a partially cured aminoplastic resin and (b) 5.0% by weight to 95.0% by weight of a nonwoven, wherein the nonwoven comprises polyester fibers and polyamide fibers, and wherein the amino resin film has a residual moisture of less than 4.0% by weight.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: March 14, 2017
    Assignee: Resopal GmbH
    Inventor: Hans Ludwig Hahn
  • Amino Resin Film and Method of Producing the Same
    Publication number: 20140179186
    Abstract: An amino resin film, obtained by at least partial curing of an aminoplastic-nonwoven impregnate having a residual moisture of at least 4.0% by weight, comprising, in each case in relation to the total weight of the aminoplastic-nonwoven impregnate, (a) 5.0% by weight to 95.0% by weight of a partially cured aminoplastic resin and (b) 5.0% by weight to 95.0% by weight of a nonwoven, wherein the nonwoven comprises polyester fibers and polyamide fibers, and wherein the amino resin film has a residual moisture of less than 4.0% by weight.
    Type: Application
    Filed: December 19, 2013
    Publication date: June 26, 2014
    Applicant: Resopal GmbH
    Inventor: Hans Ludwig Hahn