Patents by Inventor Kenneth Edwin Herbert Warren

Kenneth Edwin Herbert Warren 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).

  • Preparation process of some halogeno-substituted monosulfides and their hydroxy-monosulfide or isothiouronium bromide equivalents as intermediates
    Patent number: 7323602
    Abstract: A process for preparing an intermediate compound of formula (II) where n is an integer of from 3 to 14; R1 is haloC1-10alkyl, C1-10alkyl, C2-10alkenyl, C2-10cycloalkyl, carboxyC1-10alkyl, C1-10alkoxycarbonylC1-10alkyl, aryl (such as phenyl), aryl(C1-10)alkyl (such as phenyl(C1-10)alkyl) or di(C1-6alkyl)amino; and R2 is a halo group; the process comprising halogenation of a compound of formula (III) where n and R1 are as defined above. Novel compounds are also described and claimed.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: January 29, 2008
    Assignee: AstraZeneca AB
    Inventors: Kenneth Edwin Herbert Warren, Anne Margaret Lamont Kane