Patents by Inventor Volkmar Boesch

Volkmar Boesch 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 manufacturing equipment for preparing acetals and ketals
    Patent number: 6806392
    Abstract: A process for the preparation of acetals and ketals by reacting an aldehyde or ketone with an alcohol in the presence of an acidic catalyst and removing water by pervaporation. Manufacturing equipment for the preparation of acetals and ketones is also provided.
    Type: Grant
    Filed: November 7, 2002
    Date of Patent: October 19, 2004
    Assignee: DSM IP Assets B.V.
    Inventors: Volkmar Boesch, Juan Ramon Herguijuela, Thomas Clavey
  • Process and manufacturing equipment for preparing acetals and ketals
    Publication number: 20040106832
    Abstract: A process for the preparation of acetals and ketals by reacting an aldehyde or ketone with an alcohol in the presence of an acidic catalyst and removing water by pervaporation. Manufacturing equipment for the preparation of acetals and ketones is also provided.
    Type: Application
    Filed: November 7, 2002
    Publication date: June 3, 2004
    Applicant: ROCHE VITAMINS INC.
    Inventors: Volkmar Boesch, Juan Ramon Herguijuela
  • Process of manufacturing equipment for preparing acetals and ketals
    Patent number: 6528025
    Abstract: A process for the preparation of acetals and ketals by reacting an aldehyde or Ketone with an alcohol in the presence of solid acid and removing water by pervaporation. Manufacturing equipment for the preparation of acetals and ketones is also provided.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: March 4, 2003
    Assignee: Roche Vitamins Inc.
    Inventors: Volkmar Boesch, Juan Ramon Herguijuela