Patents by Inventor Rainer Lodewick

Rainer Lodewick 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).

  • Rinse aid composition
    Patent number: 4443270
    Abstract: A liquid rinse aid for use in automatic dishwashing machines comprises a low foaming ethoxylated nonionic surfactant, an organic chelating agent, a hydrotrope-water solubilizing system and 0.1-10%, by weight of the rinse aid, of magnesium, zinc, tin, bismuth or titanium ions, added in the form of a water soluble salt.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: April 17, 1984
    Assignee: The Procter & Gamble Company
    Inventors: Daniel Biard, Rainer Lodewick
  • Liquid detergent compositions comprising anionic, nonionic and cationic surfactants
    Patent number: 4302364
    Abstract: Liquid builder-free concentrated heavy-duty detergent compositions containing a ternary surfactant system, the majority of which is represented by an anionic surfactant, are disclosed. These compositions provide superior overall performance, especially greasy and oily stain removal and storage stability.
    Type: Grant
    Filed: August 6, 1979
    Date of Patent: November 24, 1981
    Assignee: The Procter & Gamble Company
    Inventors: Pierrette Gosset, Rainer Lodewick