Patents by Inventor Roy Cahill

Roy Cahill 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).

  • FLUORIDE-CONTAINING HYDRAULIC CEMENTS AND METHODS OF MAKING THE SAME
    Publication number: 20080041277
    Abstract: Fluoride-containing hydraulic cements, raw mixtures for producing fluoride-containing hydraulic cements and methods of producing the same are provided. The raw mixture comprises a fluoride source, a calcium oxide source and a silicon oxide. The fluoride source may be a fluoride-containing industrial waste, such as spent pot lining, corresponding to a fluoride content of between 0.1 wt % and 15 wt % within the raw mixture. The ratio of producible calcium oxide to silicon oxide within the raw mixture may be at least about 2:1 and the ratio of producible calcium oxide to the sum of silicon oxide and aluminum oxide within the raw mixture may be at least about 1.5:1.
    Type: Application
    Filed: August 7, 2007
    Publication date: February 21, 2008
    Applicant: Alcoa Inc.
    Inventors: Pradip, Beena Rai, Sathish Ponnurangam, Prakash Kapur, Ali Unal, Roy Cahill, Joseph Norton, Judith Stenack, Vivek Sharma