Patents Represented by Attorney Julie M. Lake

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  • Using amines or amino acids as mobile phase modifiers in chromatography
    Patent number: 7241866
    Abstract: This invention relates to the use of amine, amino acid and amino acid ester mobile modifiers in normal phase chromatography to improve the resolution and or productivity of peptide and lipopeptide purification. This chromatographic method can be sued for either analytical or preparative scale purification.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: July 10, 2007
    Assignee: Merck & Co., Inc.
    Inventors: Kent E. Goklen, Joseph Nti-Gyabaah, Firoz D. Antia, Mary Ellen Dahlgren