Patents by Inventor Rolf Bietz

Rolf Bietz 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).

  • Aqueous, proteinaceous, cleaning concentrate for the cleansing of foodstuff
    Patent number: 4244975
    Abstract: An aqueous, proteinaceous concentrate for the cleansing of foodstuffs of animal or vegetable origin, consisting of:(a) from 0.1% to 20% by weight of water-soluble to water-dispersible proteins,(b) from 0 to 15% by weight of a water-soluble sequestering agent,(c) an effective amount of a preservative selected from the group consisting of (1) from 0.01% to 1% by weight of water-soluble food preservatives and (2) from 5% to 30% of ethanol,(d) from 0 to 0.5% by weight of food colors and food odorants, and(e) the remainder to 100%, water.
    Type: Grant
    Filed: October 24, 1979
    Date of Patent: January 13, 1981
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Sigurd Herbst, Rolf Bietz
  • Aqueous cleaning concentrate for the cleaning of foodstuff
    Patent number: 4177294
    Abstract: An aqueous concentrate for the cleansing of foodstuffs of animal or vegetable origin, consisting of:(a) from 0.1% to 10% by weight of water-soluble to water-dispersible proteins,(b) from 0.01% to 3% by weight of water-soluble polymers having a molecular weight of at least 10,000,(c) from 1% to 15% by weight of a water-soluble sequestering agent,(d) from 0.01% to 1% by weight of water-soluble food preservatives,(e) from 0 to 0.5% by weight of food colors and food odorants, and(f) the remainder to 100%, water.
    Type: Grant
    Filed: October 3, 1978
    Date of Patent: December 4, 1979
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Hans-Juergen Lehmann, Rolf Bietz, Juergen Wegner