Patents by Inventor John W. Nuber

John W. Nuber 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).

  • Polysulfide sealants with reduced moisture vapor transmission
    Patent number: 5430192
    Abstract: The moisture vapor transmission rates of sealants containing liquid polysulfides made from mixtures of a hexylene dihalide and a chloroethyl formal wherein the molar ratio is from about 1.5:1 to about 2.3:1 are extremely low. A preferred ratio is 0.64:0.36. The new liquid polysulfide is useful in conventional sealant formulations for insulated glass window units.
    Type: Grant
    Filed: August 26, 1993
    Date of Patent: July 4, 1995
    Assignee: Morton International, Inc.
    Inventors: Steven J. Hobbs, Keith B. Potts, John W. Nuber, John R. Gilmore