Patents by Inventor Robert Rasing

Robert Rasing 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).

  • Epoxy curing agents, compositions and uses thereof
    Patent number: 10465039
    Abstract: The present invention relates to epoxy curing agents which are obtained from the reaction of a polyalkylene polyether modified polyepoxide resin and a polyamine component. They polyamine component is a reaction product of a polyethylene polyamine having 3 to 10 nitrogen atoms, for example, diethylenetriamine (DETA), and at least one aldehyde having 1 to 8 carbon atoms, for example, formaldehyde. The epoxy curing agent may be used as part of a two component coating system in the curing of liquid or pre-dispersed curable epoxy resins.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: November 5, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Shiying Zheng, Sudhir Ananthachar, Robert Rasing, Nergiz Bozok, Shafiq Fazel, Michael Oberlander
  • EPOXY CURING AGENTS, COMPOSITIONS AND USES THEREOF
    Publication number: 20170247501
    Abstract: The present invention relates to epoxy curing agents which are obtained from the reaction of a polyalkylene polyether modified polyepoxide resin and a polyamine component. They polyamine component is a reaction product of a polyethylene polyamine having 3 to 10 nitrogen atoms, for example, diethylenetriamine (DETA), and at least one aldehyde having 1 to 8 carbon atoms, for example, formaldehyde. The epoxy curing agent may be used as part of a two component coating system in the curing of liquid or pre-dispersed curable epoxy resins.
    Type: Application
    Filed: May 16, 2017
    Publication date: August 31, 2017
    Inventors: Shiying Zheng, Sudhir Ananthachar, Robert Rasing, Nergiz Bozok, Shafiq Fazel, Michael Oberlander