Patents by Inventor Jan Bus

Jan Bus 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: 4326979
    Abstract: The invention relates to non-aqueous, built liquid detergent compositions. By a judicious choice of surfactant, solvent, alkaline material and builder, and the use of an at least partially hydrolyzed copolymer of maleic anhydride and ethylene or vinylmethylether, stable compositions are obtained.The method of making same requires first dissolving the copolymer in the solvent before the other ingredients are added.
    Type: Grant
    Filed: October 31, 1980
    Date of Patent: April 27, 1982
    Assignee: Lever Brothers Company
    Inventors: Jan Bus, Willem M. M. Mohlmann, Norman J. Pritchard