Patents by Inventor Klaus Kalbermatter

Klaus Kalbermatter 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: 9284243
    Abstract: Subject of the invention is a process for the production of methylbutynol, wherein the process comprises at least one pervaporation step. In a preferred embodiment, the process comprises the steps of (a) providing a feed composition comprising methylbutynol and water, (b) subjecting the feed composition to distillation in a distillation device, (c) removing a sidestream from the distillation device, the sidestream having a higher water content than the feed composition, and (d) subjecting said sidestream to pervaporation, thereby reducing the water content. The invention also relates to uses and devices relating to the inventive process.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: March 15, 2016
    Assignee: LONZA LTD
    Inventors: Stefan Ottiger, Thomas Scholl, Stefan Stoffel, Klaus Kalbermatter, Andreas Klein, Kishore Nedungadi
  • Publication number: 20150141709
    Abstract: Subject of the invention is a process for the production of methylbutynol, wherein the process comprises at least one pervaporation step. In a preferred embodiment, the process comprises the steps of (a) providing a feed composition comprising methylbutynol and water, (b) subjecting the feed composition to distillation in a distillation device, (c) removing a sidestream from the distillation device, the sidestream having a higher water content than the feed composition, and (d) subjecting said sidestream to pervaporation, thereby reducing the water content. The invention also relates to uses and devices relating to the inventive process.
    Type: Application
    Filed: July 11, 2013
    Publication date: May 21, 2015
    Inventors: Stefan Ottiger, Thomas Scholl, Stefan Stoffel, Klaus Kalbermatter, Andreas Klein, Kishore Nedungadi