Patents by Inventor K. Abraham Vaynberg

K. Abraham Vaynberg 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).

  • Inversion of inverse emulsion polymers
    Patent number: 7429625
    Abstract: A method to invert an inverse emulsion water compatible polymer product using a combination of surfactants that have specific chemical structures is disclosed. A combination, or blend, of two or more surfactants provides for an effective breaker system. The blend of surfactants is more effective than the individual surfactants.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: September 30, 2008
    Assignee: Hercules Incorporated
    Inventors: John C. Harrington, Robert A. Gelman, K. Abraham Vaynberg