Patents by Inventor Harald Bartels

Harald Bartels 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).

  • Patent number: 4912271
    Abstract: Vinyl chloride is prepared by reacting acetylene with hydrogen chloride in the presence of a palladium compound catalyst in a solvent of an aliphatic and/or cycloaliphatic carboxylic acid amide at temperatures higher than room temperature.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: March 27, 1990
    Assignee: Huels Aktiengesellschaft
    Inventors: Gerhard Thelen, Harald Bartels, Wilhelm Droste, Herbert Deppe