Patents by Inventor Jan Warnqvist

Jan Warnqvist 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).

  • Process for removal of sulphur from raw methanol
    Patent number: 10160706
    Abstract: A method for purifying raw methanol containing sulfur compounds, wherein the method comprises the step of washing raw methanol with a non-polar organic solvent.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: December 25, 2018
    Assignee: ANDRITZ OY
    Inventors: Jan Warnqvist, Johan Olsson Släger, Anders Eliasson
  • Process for obtaining a diesel like fuel
    Patent number: 9487717
    Abstract: Disclosed is an enrichment method for obtaining components for the production of a diesel like fuel additive or a diesel like fuel from crude tall oil. In the method, lipophilic components, being present in said crude tall oil, are extracted with an organic solvent and the resulting extract is washed with sulfuric acid and water.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: November 8, 2016
    Assignee: Invico Tech AB
    Inventor: Jan Warnqvist
  • PROCESS FOR REMOVAL OF SULPHUR FROM RAW METHANOL
    Publication number: 20160237011
    Abstract: A method for purifying raw methanol containing sulfur compounds, wherein the method comprises the step of washing raw methanol with a non-polar organic solvent.
    Type: Application
    Filed: October 13, 2014
    Publication date: August 18, 2016
    Applicant: INVICO METANOL AB
    Inventors: Jan Warnqvist, Johan Olsson Släger, Anders Eliasson
  • Process for Obtaining a Diesel Like Fuel
    Publication number: 20140311018
    Abstract: Disclosed is an enrichment method for obtaining components for the production of a diesel like fuel additive or a diesel like fuel from crude tall oil. In the method, lipophilic components, being present in said crude tall oil, are extracted with an organic solvent and the resulting extract is washed with sulfuric acid and water.
    Type: Application
    Filed: December 7, 2012
    Publication date: October 23, 2014
    Inventor: Jan Warnqvist
  • Process for purification of fatty acid alkyl esters and use of agents to facilitate such purification
    Patent number: 8182553
    Abstract: A method of purifying an organic solution comprising contacting a flocculating and sequestering agent with the organic solution, which organic solution comprises fatty acid alkyl esters. Also provided is a process for purification of the organic solution. The process comprises adding a flocculating and sequestering agent to the organic solution to facilitate the purification, and removing a portion from the organic solution, which portion comprises the flocculating and sequestering agent and impurities.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: May 22, 2012
    Assignee: Alfa Laval Corporate AB
    Inventors: David Frykerås, Jan Warnqvist
  • PROCESS FOR PURIFICATION OF FATTY ACID ALKYL ESTERS AND USE OF AGENTS TO FACILITATE SUCH PURIFICATION
    Publication number: 20090183421
    Abstract: A method of purifying an organic solution comprising contacting a flocculating and sequestering agent with the organic solution, which organic solution comprises fatty acid alkyl esters. Also provided is a process for purification of the organic solution. The process comprises adding a flocculating and sequestering agent to the organic solution to facilitate the purification, and removing a portion from the organic solution, which portion comprises the flocculating and sequestering agent and impurities.
    Type: Application
    Filed: January 11, 2007
    Publication date: July 23, 2009
    Inventors: David Frykeras, Jan Warnqvist