Patents by Inventor Tomas Nyhammar

Tomas Nyhammar 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).

  • Isolation of DNA molecules
    Patent number: 6916919
    Abstract: The present invention relates to a process for separating nucleic acid molecules, preferably open circular and supercoiled plasmid DNA and RNA molecules from each other, comprising the steps of providing a solution comprising the molecules; adsorbing the molecules to adsorbing groups on a carrier; and optionally washing the column with a suitable solution. The present process is especially suitable for large-scale isolation of supercoiled ccc DNA to be used in gene therapy.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: July 12, 2005
    Assignee: Amersham Biosciences AB
    Inventors: Raf Lemmens, Tomas Nyhammar, Jan Berglof, Joachim Stadler
  • Isolation of dna molecules
    Publication number: 20040126778
    Abstract: The present invention relates to a process for separating nucleic acid molecules, preferably open circular and super-coiled plasmid DNA and RNA molecules from each other, comprising the steps of providing a solution comprising the molecules; adsorbing the molecules to adsorbing groups on a carrier; and optionally washing the column with a suitable solution. The present process is especially suitable for large-scale isolation of supercoiled ccc DNA to be used in gene therapy.
    Type: Application
    Filed: September 25, 2003
    Publication date: July 1, 2004
    Inventors: Raf Lemmens, Tomas Nyhammar, Jan Berglof, Joachim Stadler