Patents by Inventor Antonio L. Peralta

Antonio L. Peralta 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).

  • Patent number: 4255197
    Abstract: A process for the preparation of lightweight refractory materials comprising shells or cellular structures comprising the steps of: choosing the size of substrates, wetting the surface of plastic or polymer substrates, mixing the wetted substrates with fine refractory material to form a continuous refractory coating and recovering the said pellets, drying them and burning them to obtain a refractory shell product, for use as an ingredient in refractory product batches.
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: March 10, 1981
    Inventors: Antonio L. Peralta, Luis M. C. Eslava