Patents by Inventor Lars Gierszewski

Lars Gierszewski 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).

  • Method for separating volatile substances from material mixtures and device for producing polyarylene sulfides
    Patent number: 9670323
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: June 6, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Clifford Schaferskupper, Thomas Hille, Theodor Jurgens, Andre Schumann, Lars Gierszewski, Il Hoon Cha, Sung Gi Kim, Yoon Cheol Kim
  • Method for separating volatile substances from material mixtures and device for producing polyarylene sulfides
    Patent number: 9567438
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: February 14, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Clifford Schaferskupper, Thomas Hille, Theodor Jurgens, Andre Schumann, Lars Gierszewski, Il Hoon Cha, Sung Gi Kim, Yoon Cheol Kim
  • Method for separating volatile substances from material mixtures and device for producing polyarylene sulfides
    Patent number: 9562138
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodized aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodized aromatic compounds, can be separated from the polymers.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: February 7, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Clifford Schaferskupper, Thomas Hille, Theodor Jurgens, Andre Schumann, Lars Gierszewski, Il Hoon Cha, Sung Gi Kim, Yoon Cheol Kim
  • METHOD FOR SEPARATING VOLATILE SUBSTANCES FROM MATERIAL MIXTURES AND DEVICE FOR PRODUCING POLYARYLENE SULFIDES
    Publication number: 20160355642
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.
    Type: Application
    Filed: June 13, 2016
    Publication date: December 8, 2016
    Inventors: Clifford SCHAFERSKUPPER, Thomas HILLE, Theodor JURGENS, Andre SCHUMANN, Lars GIERSZEWSKI, Il Hoon Cha, Sung Gi Kim, Yoon Cheol Kim
  • METHOD FOR SEPARATING VOLATILE SUBSTANCES FROM MATERIAL MIXTURES AND DEVICE FOR PRODUCING POLYARYLENE SULFIDES
    Publication number: 20160355640
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.
    Type: Application
    Filed: June 13, 2016
    Publication date: December 8, 2016
    Inventors: Clifford SCHAFERSKUPPER, Thomas HILLE, Theodor JURGENS, Andre SCHUMANN, Lars GIERSZEWSKI, Il Hoon Cha, Sung Gi Kim, Yoon Cheol Kim
  • METHOD FOR SEPARATING VOLATILE SUBSTANCES FROM MATERIAL MIXTURES AND DEVICE FOR PRODUCING POLYARYLENE SULFIDES
    Publication number: 20160096929
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.
    Type: Application
    Filed: September 21, 2015
    Publication date: April 7, 2016
    Inventors: Clifford SCHAFERSKUPPER, Thomas HILLE, Theodor JURGENS, Andre SCHUMANN, Lars GIERSZEWSKI, Il Hoon Cha, Sung Gi Kim, Yoon Cheol Kim
  • METHOD FOR SEPARATING VOLATILE SUBSTANCES FROM MATERIAL MIXTURES AND DEVICE FOR PRODUCING POLYARYLENE SULPHIDES
    Publication number: 20150126705
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.
    Type: Application
    Filed: April 29, 2013
    Publication date: May 7, 2015
    Inventors: Clifford Schaferskupper, Thomas Hille, Theodor Jurgens, Andre Schumann, Lars Gierszewski