Patents by Inventor Rudolf J. Danis

Rudolf J. Danis 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).

  • Making foamed plastic containing perfluorinated heterocyclic blowing agent
    Patent number: 5162384
    Abstract: A blowing agent emulsion comprising at least one low boiling, perfluorinated, N-aliphatic, cyclic 1,3-, or 1,4-aminoether blowing agent, a foamable polymerizable reaction mixture, and a fluorochemical surfactant, optionally, a silicone surfactant, and optionally, a catalyst; a foamed plastic, and a process for making thereof.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: November 10, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John G. Owens, Koen Focquet, Richard M. Flynn, Rudolf J. Danis