Patents by Inventor Eike Brundin

Eike Brundin 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 for the preparation of 2-methylene aldehydes
    Patent number: 4346239
    Abstract: A process for the preparation of 2-methylene aldehydes is disclosed wherein formaldehyde is reacted with an aldehyde of the general formula R--CH.sub.2 CHO, where R stands for a substituted or unsubstituted organic radical having from 2 to 12 carbon atoms. The reaction takes place in the presence of a mixture of a secondary amine and an organic carboxylic acid having up to 5 carbon atoms.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: August 24, 1982
    Assignee: Ruhrchemie AG
    Inventors: Hanswilhelm Bach, Eike Brundin, Wilhelm Gick
  • Process for preparing methacrolein
    Patent number: 4283564
    Abstract: A process for preparing methacrolein by catalytic reaction of propionaldehyde with formaldehyde is disclosed wherein the catalyst comprises a mixture of secondary amine and organic carboxylic acid with up to 8 carbon atoms.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: August 11, 1981
    Assignee: Ruhrchemie AG
    Inventors: Wolfgang Bernhagen, Hanswilhelm Bach, Eike Brundin, Wilhelm Gick, Helmut Springer, Adolf Hack