Patents by Inventor Angela Kesseler

Angela Kesseler 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).

  • Use of a polyster composition as a hydraulic fluid
    Patent number: 7524798
    Abstract: The present invention relates to the use of polyesters which consist of at least one carbohydrate and at least one carboxylic acid, and mixtures thereof, as a hydraulic fluid.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: April 28, 2009
    Assignee: Sudzucker Aktiengesellschaft Fuchs Petrolub AG
    Inventors: Markwart Kunz, Jörg Kowalczyk, Alireza Haji Begli, Rainer Kohlstrung, Manfred Harperscheid, Angela Kesseler, Rolf Luther, Theo Mang, Christian Puhl, Helena Wagner
  • Carbohydrate esters for using as lubricants
    Patent number: 7220710
    Abstract: The present invention relates to compositions which comprise mixtures of open-chain and cyclic molecules of the sugar alcohols D-sorbitol and D-mannitol which have been esterified with at least one carboxylic acid, processes for preparing these compositions and the use of this composition as lubricant or hydraulic liquid.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: May 22, 2007
    Assignees: Sudzucker Aktiengesellschaft, Fuchs Petrolub AG
    Inventors: Markwart Kunz, Jörg Kowalczyk, Alireza Haji Begli, Rainer Kohlstrung, Manfred Harperscheid, Angela Kesseler, Rolf Luther, Theo Mang, Christian Puhl, Helena Wagner
  • The use of a polyster composition as a hydraulic fluid
    Publication number: 20050032653
    Abstract: The present invention relates to the use of polyesters which consist of at least one carbohydrate and at least one carboxylic acid, and mixtures thereof, as a hydraulic fluid.
    Type: Application
    Filed: July 22, 2002
    Publication date: February 10, 2005
    Inventors: Markwart Kunz, Jorg Kowalczyk, Alireza Begli, Rainer Kohlstrung, Manfred Harperscheid, Angela Kesseler, Rolf Luther, Theo Mang, Christian Puhl, Helena Wagner
  • Carbohydrate esters for using as lubricants
    Publication number: 20040242919
    Abstract: The present invention relates to compositions which comprise mixtures of open-chain and cyclic molecules of the sugar alcohols D-sorbitol and D-mannitol which have been esterified with at least one carboxylic acid, processes for preparing these compositions and the use of this composition as lubricant or hydraulic liquid.
    Type: Application
    Filed: July 22, 2004
    Publication date: December 2, 2004
    Inventors: Markwart Kunz, Jorg Kowalczyk, Alireza Haji Begli, Rainer Kohlstrung, Manfred Harperscheid, Angela Kesseler, Rolf Luther, Theo Mang, Christian Puhl, Helena Wagner