Patents by Inventor Alfred Kroneis

Alfred Kroneis 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).

  • Patent number: 5224966
    Abstract: There is described a process for the simultaneous dyeing and flameproofing of textile sheet materials made of polyester fibers by padding or printing the textile material with a dye preparation, partially or completely drying the treated textile material and then heat treating it, which comprises using a dye preparation which contains one or more disperse dyes and one or more flame retardants based on halogen-free phosphoric and/or phosphonic acid derivatives with or without thickeners and/or foam-forming agents. The disperse dyes used are thermosol dyes.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: July 6, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Alfred Kroneis, Hans Beiertz