Patents by Inventor Catharine VanOmmeren

Catharine VanOmmeren 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).

  • Prill for emulsion explosives
    Patent number: 5034071
    Abstract: The invention is directed to a blended explosive composition containing an emulsifier which is a derivative of polyisobutylene succinic anhydride and a prill having an internal additive of a naphthalene sulfonate surfactant and an external coating which makes the prill compatible with the emulsifier.
    Type: Grant
    Filed: June 14, 1990
    Date of Patent: July 23, 1991
    Assignee: Atlas Powder Company
    Inventor: Catharine VanOmmeren