Patents by Inventor Catharine L. Van Ommeren

Catharine L. Van Ommeren 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).

  • Emulsion explosive composition containing expanded perlite
    Patent number: 4940497
    Abstract: A water-in-oil emulsion explosive composition having a void-providing agent consisting of expanded perlite is provided. The water-in-oil emulsion explosive composition comprising a continuous phase of carbonaceous fuel, an emulsifier, a dispersed phase of an aqueous solution of inorgnaic oxidizer, and expanded perlite having a density of less than 0.60 g/cc and preferably of from about 0.23 g/cc to about 0.45 g/cc.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: July 10, 1990
    Assignee: Atlas Powder Company
    Inventor: Catharine L. Van Ommeren