Patents by Inventor Elmer O. Pearson

Elmer O. Pearson 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: 4737308
    Abstract: This invention is directed to a cleaning agent which can be used for cleaning dishes, tableware such as knives, forks and spoons and the like, and also glassware in an automatic dishwashing machine or by hand and manually in an aqueous solution. Also, this cleaning agent can be used for cleaning cloth, fabric and clothes in an automatic washing machine or by hand or manually in an aqueous solution. The cleaning agent is free of phosphorous and a phosphorous compound. The cleaning agent comprising a complex of sodium and dextrin, sodium chloride, sodium carbonate and sodium hydroxide. The components are mixed in a concrete mixer or a ball mill to pass through a 40 mesh screen, and, preferably, not pass through a 60 mesh screen. There is sodium hydroxide and there is dextrin. The sodium hydroxide and the dextrin react to form a complex of sodium and dextrin. Also, the cleaning agent can comprise a surfactant and a anti-pollution agent.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: April 12, 1988
    Inventor: Elmer O. Pearson