Patents by Inventor Jim Steinmetz

Jim Steinmetz 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).

  • Water-based organopolysiloxane-containing compositions, processes for their preparation and their use
    Patent number: 5629400
    Abstract: The invention relates to water-based organopolysiloxane containing compositions which are essentially free from organic solvents, have a flash point above 70.degree. C. and essentially liberate no alcohols by hydrolysis on dilution with water. The organopolysiloxane-containing compositions according to the invention are obtainable by mixing M mol of water-insoluble organotrialkoxysilanes with Q mol of water-soluble aminoalkylalkoxysilanes in a molar ratio of 0<M/Q.ltoreq.2, adding water to the mixture, adjusting the pH of the reaction mixture to a value of between 1 and 8 and removing alcohol already present and/or formed during the reaction. The process for the preparation of the organopolysiloxane-containing compositions according to the invention and their use are also disclosed.
    Type: Grant
    Filed: December 6, 1995
    Date of Patent: May 13, 1997
    Assignee: Huels Aktiengesellschaft
    Inventors: Burkhard Standke, Albert Frings, Michael Horn, Hans-Joachim Kotzsch, Frank Kropfgans, Jaroslaw Monkiewicz, Claus-Dietrich Seiler, Jim Steinmetz