Patents by Inventor Esko Karvinen

Esko Karvinen 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).

  • Fuel comprising ketone(s)
    Patent number: 11254884
    Abstract: Provided are fuel components, a method for producing fuel components, use of the fuel components and fuel containing the fuel components based on ketone(s).
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: February 22, 2022
    Assignee: NESTE OYJ
    Inventors: Ulla Kiiski, Maija Rouhiainen, Jukka Myllyoja, Esko Karvinen, Pia Bergström
  • FUEL COMPRISING KETONE(S)
    Publication number: 20200040269
    Abstract: Provided are fuel components, a method for producing fuel components, use of the fuel components and fuel containing the fuel components based on ketone(s).
    Type: Application
    Filed: September 27, 2017
    Publication date: February 6, 2020
    Applicant: Neste Oyj
    Inventors: Ulla KIISKI, Maija ROUHIAINEN, Jukka MYLLYOJA, Esko KARVINEN, Pia BERGSTRÖM
  • Method for catalytic conversion of ketoacids and hydrotreatment to hydrocarbons
    Patent number: 10040747
    Abstract: The present invention relates to catalytic conversion of ketoacids, including methods for increasing the molecular weight of ketoacids, the method can include providing in a reactor a feedstock comprising at least one ketoacid, water and a base. The feedstock is then subjected to base catalysed condensation reactions.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: August 7, 2018
    Assignee: NESTE OYJ
    Inventors: Jukka Myllyoja, Rami Piilola, Maaria Seläntaus, Esko Karvinen
  • METHOD FOR CATALYTIC CONVERSION OF KETOACIDS AND HYDROTREATMENT TO HYDROCARBONS
    Publication number: 20160221914
    Abstract: The present invention relates to catalytic conversion of ketoacids, including methods for increasing the molecular weight of ketoacids, the method can include providing in a reactor a feedstock comprising at least one ketoacid, water and a base. The feedstock is then subjected to base catalysed condensation reactions.
    Type: Application
    Filed: January 29, 2016
    Publication date: August 4, 2016
    Applicant: NESTE OYJ
    Inventors: Jukka MYLLYOJA, Rami PIILOLA, Maaria SELÄNTAUS, Esko KARVINEN
  • 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
  • Method for the preparation of a novel C-ring precursor for taxoids and novel intermediates
    Patent number: 5648505
    Abstract: The present invention relates to a process for the preparation of a compound of the formula (VIII) or (IX) useful as precursor for the C-ring in taxanes ##STR1## wherein R' is a C.sub.1 -C.sub.6 -alkyl. The invention further relates to the novel compounds (VIII) and (IX) and to novel intermediates in said process.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: July 15, 1997
    Inventors: Zhi-Qiang Xia, Esko Karvinen, Ari Koskinen
  • Method for the preparation of a novel a-ring precursor for taxoids and novel intermediates
    Patent number: 5498738
    Abstract: The present invention a process for the preparation of a compound of the formula (X) useful as precursor for the A-ring in taxanes ##STR1## wherein R' is an ##STR2## in which R" is a linear, branched or cyclic alkyl group of 1 to 10 carbon atoms. The invention further relates to the novel compound (X) and to novel intermediates in said process.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: March 12, 1996
    Inventors: Esko Karvinen, Ari Koskinen