Patents by Inventor Rolf R. Waegerle

Rolf R. Waegerle 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).

  • Process of treating aqueous heating media in heating systems, and composition
    Patent number: 4303546
    Abstract: Scale formation as well as corrosion are suppressed by adding amino methylene phosphonic acids, hydroxy alkane diphosphonic acids, amino alkane diphosphonic acids, polyhydroxy acids, their alkali metal salts, or mixtures thereof to the aqueous heating medium of heating systems used for heat treating, such as sterilizing and pasteurizing, goods enclosed in glass, metal, and the like containers.
    Type: Grant
    Filed: July 26, 1974
    Date of Patent: December 1, 1981
    Assignee: Benckiser-Knapsack GmbH
    Inventor: Rolf R. Waegerle