Patents by Inventor Karen S. Bronk

Karen S. Bronk 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).

  • VARENICLINE STANDARDS AND IMPURITY CONTROLS
    Publication number: 20070224690
    Abstract: The subject invention provides a varenicline composition that comprises varenicline, or a pharmaceutically acceptable salt thereof, and an amount of a compound selected from one or more of several mononitro, monoamino, mixed aminonitro, diamino or dinitro intermediates, and the concentration of said compound is greater than 0 ppm and not greater than about 500 ppm, not greater than about 100 ppm or not greater than about 10 ppm. Methods for synthesizing and using such varenicline compositions are also provided.
    Type: Application
    Filed: March 26, 2007
    Publication date: September 27, 2007
    Inventors: Frank R. Busch, Gregory J. Withbroe, Terry G. Sinay, Karen S. Bronk
  • Thin film fiber optic sensor array and apparatus for concurrent viewing and chemical sensing of a sample
    Patent number: 5298741
    Abstract: The present invention provides a unique fiber optic sensor which is able to provide a visual examination of a sample and its surrounding environment concurrent with the ability to conduct chemical sensing and detection of at least one ligand of interest. The present invention also provides apparatus for making precise optical determinations and measurements for the ligand of interest which can be correlated with specific parameter or other ligands for specific applications and purposes.
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: March 29, 1994
    Assignee: Trustees of Tufts College
    Inventors: David R. Walt, Karen S. Bronk