Patents by Inventor Georg Nesch

Georg Nesch 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).

  • Stabilized liquid mixtures for labelling nucleic acids
    Patent number: 5814502
    Abstract: Stable enzyme compositions are provided in a liquid form for the enzymatic radioactive and non-radioactive labelling of nucleic acids and oligonucleotides. The mixtures preferably contain 30-60% (v/v) glycerin. At a storage temperature between -20 .degree. C. and +4 .degree. C. over a period of at least 12 months, the mixtures do not exhibit any loss of activity.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: September 29, 1998
    Assignee: Boehringer Mannheim, GmbH
    Inventors: Hans-Joachim Hoeltke, Irmgard Obermaier, Georg Nesch
  • Restriction endonuclease cleaving palindromic DNA
    Patent number: 4746609
    Abstract: The present invention teaches restriction endonuclease Asp 718 which cleaves DNA in the palindromic recognition sequence at the sites indicated by the arrow: ##STR1## The endonuclease, obtained from Achromobacter species 718, DSM 2969, is useful in obtaining DNA fragments, e.g., for determining nucleotide sequences and other types of analysis of DNA.
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: May 24, 1988
    Assignee: Boehringer Mannheim GmbH
    Inventors: Bryan Bolton, Michael J. Comer, Christoph Kessler, Georg Nesch