Patents by Inventor Richard M. DeMarco

Richard M. DeMarco 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).

  • Chitosan-coated hydrophobic glass and method of making
    Patent number: 8852678
    Abstract: Glass surfaces, for example, windshield surfaces, have a durable hydrophobic coating applied thereto. The glass surface is first treated by any suitable method to enhance the ability of a chitosan polymer coating to durably or substantially permanently adhere thereto. Once the chitosan coating has been applied to the glass surface, the normally hydrophilic chitosan coating is rendered hydrophobic by suitable treatment, for example, by a combination of enzymatic and chemical treatments. Alternatively, the chitosan may be rendered hydrophobic prior to coating it on the glass surface, but that is a less preferred technique. The method of the invention provides a glass article having a hydrophobic surface.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: October 7, 2014
    Assignee: Agratech International, Inc.
    Inventors: Joseph Bristow, Richard M. DeMarco
  • CHITOSAN-COATED HYDROPHOBIC GLASS AND METHOD OF MAKING
    Publication number: 20090239084
    Abstract: Glass surfaces, for example, windshield surfaces, have a durable hydrophobic coating applied thereto. The glass surface is first treated by any suitable method to enhance the ability of a chitosan polymer coating to durably or substantially permanently adhere thereto. Once the chitosan coating has been applied to the glass surface, the normally hydrophilic chitosan coating is rendered hydrophobic by suitable treatment, for example, by a combination of enzymatic and chemical treatments. Alternatively, the chitosan may be rendered hydrophobic prior to coating it on the glass surface, but that is a less preferred technique. The method of the invention provides a glass article having a hydrophobic surface.
    Type: Application
    Filed: March 18, 2009
    Publication date: September 24, 2009
    Inventors: Joseph Bristow, Richard M. DeMarco