Patents by Inventor Peter Richter, deceased

Peter Richter, deceased 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).

  • Continuous dyeing of yarns
    Patent number: 5518508
    Abstract: A continuous process for dyeing yarns with vattable dyes comprises, in continuous yarn dyeing ranges, metering an aqueous dye dispersion into the circulating chemical liquor.
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: May 21, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Gert Kuehnel, Peter Richter, deceased, by Wolfgang Richter, legal representative, by Georg Richter, legal representative, Georg Schnitzer