Patents by Inventor Gary Heyden

Gary Heyden 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).

  • Stabilisation of particulate material using wool grease
    Publication number: 20050116198
    Abstract: An aqueous composition containing wool grease and a cationic or nonionic surfactant can be used to stabilise a wide range of particulate materials. The composition can be used to stabilise road materials, earth banks, coal piles, loose sand and dams. A binder such as a lignin sulphonate may be added to provide improved properties.
    Type: Application
    Filed: November 8, 2001
    Publication date: June 2, 2005
    Inventors: Douglas Ryan, Gary Heyden, Kenneth MacKenzie