Patents Represented by Attorney Andreas V. Lockenour

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  • Process and intermediates
    Patent number: 6884874
    Abstract: Processes for preparing N-methyl-L-alanine derivatives and novel intermediates of the process. The derivatives and intermediates are useful for preparing cell-binding agent/maytansinoid complexes.
    Type: Grant
    Filed: March 17, 2003
    Date of Patent: April 26, 2005
    Assignee: SmithKline Beecham Corporation
    Inventors: Ann M. Eldridge, Johann Hiebl