Patents by Inventor Franz HEIDENFELDER

Franz HEIDENFELDER 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 and apparatus to make liquid silicone rubber compositions
    Patent number: 11820895
    Abstract: Provided are an assembly and process for the continuous or semi-continuous preparation of addition-crosslinking liquid silicone rubbers and to liquid silicone rubber compositions made therefrom. Also disclosed are articles made from the liquid silicone rubber compositions.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: November 21, 2023
    Assignee: DOW SILICONES CORPORATION
    Inventors: Jianjun Gao, Rainer Freudenberger, Franz Heidenfelder, Ruediger Siebmann, Kalyn Froeschle, Travis L. Clements
  • PROCESS AND APPARATUS TO MAKE LIQUID SILICONE RUBBER COMPOSITIONS
    Publication number: 20200255663
    Abstract: Provided are an assembly and process for the continuous or semi-continuous preparation of addition-crosslinking liquid silicone rubbers and to liquid silicone rubber compositions made therefrom. Also disclosed are articles made from the liquid silicone rubber compositions.
    Type: Application
    Filed: July 31, 2018
    Publication date: August 13, 2020
    Inventors: Jianjun GAO, Rainer FREUDENBERGER, Franz HEIDENFELDER, Ruediger SIEBMANN, Kalyn FROESCHLE, Travis L. CLEMENTS