Patents by Inventor Edgar H. Reed

Edgar H. Reed 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: 4636262
    Abstract: A foundry green molding sand composition comprising molding sand, clay and water uniformly admixed with a composition of an alkali metal salt of carboxyhexose or carboxyheptose and an alkanoate salt of magnesium and/or lithium in amounts and proportions sufficient to impart improved green sand properties to said compositions. In the preferred embodiment, the composition is added in the form of about a 50% aqueous solution of sodium glucoheptonate and magnesium acetate which are present in the solution in a weight ratio of about 2:1.
    Type: Grant
    Filed: March 11, 1986
    Date of Patent: January 13, 1987
    Inventor: Edgar H. Reed