Patents by Inventor Rudolf Rommel

Rudolf Rommel 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: 5917120
    Abstract: The present invention relates to a process for printing hydrophobic fibre materials with disperse dyes, which comprises a procedure in which the fibre materials A) are dyed over the entire area or printed over the entire area with a disperse dye andB) are printed in areas with a printing paste comprisingat least one disperse dye,at least one cationic dyeing assistant andat least one nonionic detergentit being possible for steps A) and B) to be carried out in any sequence and for step B) to be repeated several times with different dyes, the fibre material treated in this way is dried and the dye is then fixed on the fibre material by a heat treatment.Multicolored prints with sharp contours and very good fastnesses to hot light are obtained by the process according to the invention.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: June 29, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rudolf Rommel, Peter Johnson