Patents by Inventor Michael Bernhein

Michael Bernhein 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).

  • Aqueous dispersions for simultaneously providing fibrous materials with a softening and hydrophilic finish, a process for their production and their use
    Patent number: 4966725
    Abstract: The present invention describes aqueous dispersions for simultaneously providing fibrous materials with a softening and hydrophilic finish containing(1) at least one quaternary compound with at least one long-chain alkyl residue,(2) a polymer or copolymer on the basis of alkylacrylates with alkyl residues having at least 4 C atoms,(3) optionally in addition an emulsifier which is other than (1) and(4) optionally a silicone which provides a hydrophilic finish.Furthermore, a process for the production of said aqueous dispersion is claimed.Using said dispersions, fibrous materials, especially cotton towelling fabrics, are provided with a particularly soft, velvety feel and very good to outstanding hydrophily.
    Type: Grant
    Filed: January 19, 1989
    Date of Patent: October 30, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Heinrich Singer, Werner Stechele, Michael Bernhein