Patents by Inventor Volker Six

Volker Six 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: 4372882
    Abstract: Detergent compositions containing low levels of substituted polyamines are disclosed. The polyamines are substituted by one long chain alkyl or alkenyl group and by at least two alkylene oxide radicals attached to different nitrogens. Preferred compositions produce a laundry liquor pH in the range from 8.5-12.0; and frequently contain water-soluble or water-insoluble detergent builders.These compositions exhibit a broad range of textile treatment benefits particularly enhanced soil release and cleaning properties.
    Type: Grant
    Filed: June 16, 1981
    Date of Patent: February 8, 1983
    Assignee: The Procter & Gamble Company
    Inventors: Robertus J. C. Koster, Volker Six, Peter Hale