Patents Examined by Paul Marcyntoni
  • Pomice containing composition
    Patent number: 5017232
    Abstract: A composition for forming a waterproof, high strength, hard material having good insulation properties, comprising a mixture of crushed pumice, type S mortar and glass fibers, which forms the hard material upon the addition of water and after allowing the mixture to cure. The material has superior insulation properties to conventional compositions formed using portland cement instead of type S mortar.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: May 21, 1991
    Inventor: Joseph J. Miceli