Patents by Inventor Margarita Karshan

Margarita Karshan 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).

  • Biodegradable corrosion inhibitor composition
    Patent number: 7297191
    Abstract: A corrosion inhibitor composition includes between about 95 and about 99 percent by weight ammonium benzoate, and between 1 and about 5 percent by weight of silica. The composition may be water soluble for use in solution-based applications.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: November 20, 2007
    Assignee: Cortec Corporation
    Inventors: Boris A. Miksic, Margarita Karshan, Ashish Gandhi
  • Biodegradable corrosion inhibitor composition
    Patent number: 7118615
    Abstract: A corrosion inhibitor composition includes between about 90 and about 99 percent by weight ammonium benzoate, and one or more additive components in an amount of between 1 and about 10 percent by weight of the composition. The one or more additive components are selected from the group consisting of silica, triazoles, and wetting agents.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: October 10, 2006
    Assignee: Cortec Corporation
    Inventors: Boris A. Miksic, Margarita Karshan, Ashish Gandhi