Patents by Inventor Charles Minard Grill

Charles Minard Grill 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).

  • Enantioselective separation method
    Publication number: 20060020022
    Abstract: This invention relates to a method for separating enantiomers of a substituted 2-trifluoromethyl-2H-chromene-3-carboxylic acid or ester, a substituted 2-trifluoromethyl-1,2-dihydro-quinoline-3-carboxylic acid or ester, a substituted 2-trifluoromethyl-2H-thiochromene-3-carboxylic acid or ester, a substituted 3-trifluoromethyl-3,4-dihydro-naphthalene-2-carboxylic acid or ester, or a pharmaceutically acceptable salt of the acids or esters, using enantioselective fractional crystallization, enantioselective high performance liquid chromatography, enantioselective steady state recycling chromatography, or enantioselective multicolumn chromatography.
    Type: Application
    Filed: July 22, 2005
    Publication date: January 26, 2006
    Inventors: Brian Chekal, Ernst Freund, Charles Minard Grill, Elke Huthmann, Markus Juza, Vera Leshchinskaya, Mark Thomas Maloney, Lawrence Marvin Miller, Ying Wang, Ming Zeng