Patents by Inventor Ralph J. Eschborn, II

Ralph J. Eschborn, II 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 for treating metal chlorides
    Patent number: 5076850
    Abstract: Process for making aggregate suitable for use as a road base material comprising:(a) mixing metal chlorides with alkaline substance selected from the group consisting essentially of at least one cementitious material and optionally about 0.1-50%, based on the total weight of the alkaline substance, of at least one neutralizing agent, said mixing taking place in the presence of water in the amount of about 70-200 percent, based on the total weight of the alkaline substance,(b) partially curing the product resulting from step (a), and(c) agitating the product resulting from step (b) until aggregate is formed.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: December 31, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Ralph J. Eschborn, II, Peter Hill