Patents by Inventor Hilde Antoinette Elza Lauwers

Hilde Antoinette Elza Lauwers 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: 6021926
    Abstract: A packaged product is provided. The packaged product includes a container having an opening closed by a valve and a foaming detergent composition which is stored within the container. The valve has an open position for dispensing the foaming composition from the container and a closed position for preventing escape of the foaming composition from the container; The foaming detergent composition has less than 25% by weight of water. A propellant gas, such as carbon dioxide, nitrous oxides, or mixtures thereof, is stored within the container. A nozzle is attached to the container which has a channel and a discharge opening. The channel interconnects the opening of the container and the discharge opening of the nozzle. The channel is straight, continues and uninterrupted along its length between the opening of the container and the discharge opening of the nozzle such that greater than about 80% of said foaming detergent composition can be discharged from the container during use.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: February 8, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Hilde Antoinette Elza Lauwers, John Neil Rogers, Peter Maurits Maria Van Geert