Patents by Inventor Hans Nueunhoeffer

Hans Nueunhoeffer 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).

  • Composition containing humidity regulators for preparing tissue products
    Patent number: 6641822
    Abstract: A composition is provided containing moisture regulators for tissue products. The composition contains 1% to 15% by weight, preferably 2% to 20% by weight, relative to the total composition, of at least one special non-ionic surfactant selected from among at least one amine oxide and/or hydroxy acid esters and/or at least one ampho-surfactant. Also provided is a tissue product as well as to a process for the production of tissue products.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: November 4, 2003
    Assignee: SCA Hygiene Products GmbH
    Inventors: Stephan Eichhorn, Walter Hill, Peter von Paleske, Hans Nueunhoeffer
  • Composition containing moisture regulators for tissue products, process for the production of these products, use of the composition for the treatment of tissue products as well as tissue products in the form of wet-laid, including TAD, or air-laid products (non-wovens) on the basis of sheet-like support materials containing primarily cellulose fibers
    Publication number: 20020028230
    Abstract: The present invention relates to a composition containing moisture regulators for tissue products, whereby they also contain 1% to 15% by weight, preferably 2% to 20% by weight, relative to the total composition, of at least one special non-ionic surfactant selected from among at least one amine oxide and/or hydroxy acid esters and/or at least one ampho-surfactant; the invention also relates to a tissue product as well as to a process for the production of tissue products.
    Type: Application
    Filed: August 14, 2001
    Publication date: March 7, 2002
    Inventors: Stephan Eichhorn, Walter Hill, Peter von Paleske, Hans Nueunhoeffer
  • Composition containing humidity regulators, for tissue products
    Patent number: 6306408
    Abstract: The present invention relates to a composition containing moisture regulators for tissue products, whereby they also contain 1% to 15% by weight, preferably 2% to 20% by weight, relative to the total composition, of at least one special non-ionic surfactant selected from among at least one amine oxide and/or hydroxy acid esters and/or at least one ampho-surfactant; the invention also relates to a tissue product as well as to a process for the production of tissue products.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: October 23, 2001
    Assignee: SCA Hygiene Products GmbH
    Inventors: Stephan Eichhorn, Walter Hill, Peter von Paleske, Hans Nueunhoeffer