Patents by Inventor Carl Lee Demetropoulos

Carl Lee Demetropoulos 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).

  • Hypoallergenic wetsuit and material
    Patent number: 8032944
    Abstract: A hypoallergenic wetsuit and material is described that uses closed cell acrylonitrile butadiene rubber. Polyvinyl chloride (PVC) may also be blended with the acrylonitrile butadiene rubber. The density of the closed cell acrylonitrile butadiene rubber may vary depending on the hypoallergenic wetsuit application. Low densities such as less than 70 kg./m3, and preferably 50 to 61 Kg./m3, are desirable in many applications.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: October 11, 2011
    Inventor: Carl Lee Demetropoulos
  • Hypoallergenic Wetsuit And Material
    Publication number: 20090210987
    Abstract: A hypoallergenic wetsuit and material is described that uses closed cell acrylonitrile butadiene rubber in place of neoprene to eliminate the problems associated with neoprene and rubber allergies. In sonic embodiments of the present invention, polyvinyl chloride (PVC) is blended with the acrylonitrile butadiene rubber. The density of the closed cell acrylonitrile butadiene rubber may vary depending on the hypoallergenic wetsuit application. Low densities such as less than 70 kg./m3, and preferably 50 to 61 Kg./m3, are desirable in many applications.
    Type: Application
    Filed: February 26, 2009
    Publication date: August 27, 2009
    Inventor: Carl Lee Demetropoulos