Patents by Inventor Ralph A. Colafati, III

Ralph A. Colafati, III 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).

  • High resilience polyurethane foam
    Patent number: 4035318
    Abstract: Selected tetrafunctional methylene-bridged aromatic isocyanates and a method for their preparation are disclosed. The utility of these isocyanates as cross-linking agents for polyurethanes is also disclosed.
    Type: Grant
    Filed: February 19, 1976
    Date of Patent: July 12, 1977
    Assignee: Olin Corporation
    Inventors: Wilhelm J. Schnabel, Ralph A. Colafati, III
  • Bis (diisocyanatobenzyl) -chlorobenzene
    Patent number: 3952043
    Abstract: Selected tetrafunctional methylene-bridged aromatic isocyanates and a method for their preparation are disclosed. The utility of these isocyanates as cross-linking agents for polyurethanes is also disclosed.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: April 20, 1976
    Assignee: Olin Corporation
    Inventors: Wilhelm J. Schnabel, Ralph A. Colafati, III
  • High resilience polyurethane foam stabilized with a silicate-based surfactant composition
    Patent number: 3935133
    Abstract: High resilience polyether polyurethane foam is prepared from a reaction mixture comprising a silicate-based surfactant composition.
    Type: Grant
    Filed: December 23, 1974
    Date of Patent: January 27, 1976
    Assignee: Olin Corporation
    Inventors: Bruce G. VAN Leuwen, Ralph A. Colafati, III
  • High resilience polyurethane foam
    Patent number: 3933701
    Abstract: Selected methylene-bridged diaryl polyisocyanates are used as stabilizers in the production of high resilience polyurethane foam.
    Type: Grant
    Filed: January 29, 1975
    Date of Patent: January 20, 1976
    Assignee: Olin Corporation
    Inventors: John E. Puig, Ralph A. Colafati, III