Patents by Inventor Andrew James Allen

Andrew James Allen 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).

  • Publication number: 20130165543
    Abstract: A concrete substitute material (30) which is environmentally friendly in its manufacture and use. The material (30) comprises a mix of petrochemical based polyols (11), renewable polyols (12), isocyanate (20) and filler material (21). Products (34) formed by curing of the material (30) can be recycled, and are lightweight, strong and durable.
    Type: Application
    Filed: July 21, 2010
    Publication date: June 27, 2013
    Inventor: Andrew James Allen