Patents by Inventor Ari Mikkinen

Ari Mikkinen 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: 5157200
    Abstract: A process for the fractionation of a gaseous mixture containing hydrogen, light aliphatic hydrocarbons and light aromatic hydrocarbons wherein following compression of the mixture and separation of one or more light fractions, a gas is contacted with light aliphatic hydrocarbons and then hydrogen is separated by permeation. A series of distillation steps makes it possible to isolate the aliphatic hydrocarbons and the aromatic hydrocarbons subsequent to the separations.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: October 20, 1992
    Assignee: Institut Francais Du Petrole
    Inventors: Ari Mikkinen, Serge Mouratoff, Larry Mank