Patents by Inventor Charles N. Singman

Charles N. Singman 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).

  • Labile anchors for solid phase polynucleotide synthesis
    Patent number: 5112962
    Abstract: This invention discloses a linker arm for solid support synthesis of oligonucleotides and oligonucleotide derivatives that allows the oligomers to be released relatively quickly under mild conditions. The linker arm comprises the following: ##STR1## The linker arm releases the oligomer in about one minute to about thirty minutes in a manner that leaves the oligonucleotide fully protected.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: May 12, 1992
    Assignee: Northwestern University
    Inventors: Robert L. Letsinger, Charles N. Singman