Patents by Inventor Harald Armbruster

Harald Armbruster 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).

  • Fine-particle crosslinked polyvinylpyrrolidone as tablet disintegrant
    Patent number: 8597679
    Abstract: Use of crosslinked polyvinylpyrrolidone with an average particle size of 5-60 ?m and a hydration capacity of greater than 7 g/g as tablet disintegrant.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: December 3, 2013
    Assignee: BASF SE
    Inventors: Karl Kolter, Bernhard Fussnegger, Michael Kerber, Harald Armbruster, Hubertus Folttmann, Ralf Widmaier, Marianna Pierobon
  • Fine-Particle Crosslinked Polyvinylpyrrolidone as Tablet Disintegrant
    Publication number: 20080299191
    Abstract: Use of crosslinked polyvinylpyrrolidone with an average particle size of 5-60 ?m and a hydration capacity of greater than 7 g/g as tablet disintegrant
    Type: Application
    Filed: December 11, 2006
    Publication date: December 4, 2008
    Applicant: BASF SE
    Inventors: Karl Kolter, Bernhard Fussnegger, Michael Kerber, Harald Armbruster, Hubertus Folttmann, Ralf Widmaier, Marianna Pierobon
  • Method for producing pure trioxane
    Publication number: 20050176973
    Abstract: A process for preparing trioxane by trimerization of formaldehyde in aqueous acidic solution and subsequently removing trioxane from a mixture substantially comprising trioxane, water and formaldehyde (crude trioxane product), which comprises a) distilling the crude trioxane product from the trimerization, b) crystallizing the trioxane out and c) removing it from the mother liquor and d) subsequently melting it and e) distilling off further by-products.
    Type: Application
    Filed: May 13, 2003
    Publication date: August 11, 2005
    Inventors: Katrin Friese, Matthias Rauls, Reinhard Freyhof, Thorsten Friese, Harald Armbruster, Hartmut Zeiner, Gitta Egbers, Eckhard Strofer, Ludwig Heck, Peter Hildenbrand