Patents by Inventor Joseph James Lewis

Joseph James Lewis 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).

  • Patent number: 6313290
    Abstract: The invention relates to azolobenzazepine derivatives of the formula I: wherein: X is O or S; R1, R2, R3 and R4 are independently hydrogen, perfluorolower-alkyl, halogen, nitro or cyano; and C together with the carbon atoms to which it is attached forms a 5-membered aromatic heterocycle, to pharmaceutical compositions containing them and to methods for the treatment of neurological disorders utilizing them.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: November 6, 2001
    Assignee: Zeneca Limited
    Inventors: Joseph James Lewis, Kelly Anne Brush, Laura Enid Garcia-Davenport, William Jackson Frazee, Marc Jerome Chapdelaine
  • Patent number: 6124281
    Abstract: The invention relates to azolobenzazepine derivatives of formula (I), wherein: X is O or S; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen, perfluorolower-alkyl, halogen, nitro or cyano; and C together with the carbon atoms to which it is attached forms a 5-membered aromatic heterocycle selected from the group consisting of a pyrazol and triazole, to pharmaceutical compositions containing them and to methods for the treatment of neurological disorders utilizing them.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: September 26, 2000
    Assignee: Zeneca Limited
    Inventors: Joseph James Lewis, Kelly Anne Brush, Laura Enid Garcia-Davenport, William Jackson Frazee, Marc Jerome Chapdelaine
  • Patent number: 4049669
    Abstract: A process for preparing 5-(alkoxy- and aminoethylthio)methylthiazole compounds via displacement of the trisubstituted phosphonium group from 5-(trisubstituted phosphonium)methylthiazole compounds is disclosed.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: September 20, 1977
    Assignee: SmithKline Corporation
    Inventors: Bing Lun Lam, Joseph James Lewis, Robert Lee Webb, George Robert Wellman