Patents by Inventor Joni Kunnas

Joni Kunnas 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).

  • Hydroformylation process
    Patent number: 8178729
    Abstract: Disclosed is a process for hydroformylation of ?-olefin wherein said ?-olefin is reached with carbon monoxide or carbon monoxide and hydrogen and/or a reducing agent in presence of a catalyst complex based on a rhodium precursor and a ligand mixture comprising at least 1% by weight of trphenylphosphine and at least 5% by weight of diphenylcyclohexylphosphine, tris-(o-tolyl)phosphine, tris-(p-tolyl)phosphine or (2-methyl-phenyl)diphenylphospine.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: May 15, 2012
    Assignee: Perstorp Specialty Chemicals AB
    Inventors: Esko Karvinen, Juha Lehtonen, Joni Kunnas, Merja Harteva
  • Hydroformylation Process
    Publication number: 20080281128
    Abstract: Disclosed is a process for hydroformylation of ?-olefin wherein said ?-olefin is reached with carbon monoxide or carbon monoxide and hydrogen and/or a reducing agent in presence of a catalyst complex based on a rhodium precursor and a ligand mixture comprising at least 1% by weight of trphenylphosphine and at least 5% by weight of diphenylcyclohexylphosphine, tris-(o-tolyl)phosphine, tris-(p-tolyl)phosphine or (2-methyl-phenyl)diphenylphospine.
    Type: Application
    Filed: March 15, 2006
    Publication date: November 13, 2008
    Inventors: Esko Karvinen, Juha Lehtonen, Joni Kunnas, Merja Harteva