Patents by Inventor George F. Carini, II

George F. Carini, II 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).

  • Method of manufacture of phosphate-bonded refractories
    Patent number: 6740299
    Abstract: A method of manufacturing a phosphate-bonded refractory product entirely during the mixing cycle by reacting phosphoric acid and alumina derived from one or more sources of finely divided reactive alumina, for example &bgr;-alumina and/or alumina hydroxide to form a proto aluminum orthophosphate gel or paste binder in the pan of a high-intensity mixer at ambient temperatures.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: May 25, 2004
    Inventors: George F. Carini, George F. Carini, II
  • Method of manufacture of phosphate-bonded refractories
    Patent number: 6258742
    Abstract: A phosphate-bonded refractory composition consists of a size-graded mixture of refractory material, 3 to 5 weight percent based on the total weight of the batch of finely divided aluminium hydroxide, 4.22 to 8.37 percent by weight of the total weight of the batch of 75 to 85 percent phosphoric acid, the ratio of the aluminum in the aluminum hydroxide to phosphorus in phosphoric acid being about 1:1.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: July 10, 2001
    Inventors: George F. Carini, George F. Carini, II