Patents by Inventor Lawrence R. Rogers

Lawrence R. Rogers 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).

  • 8-chloro-6,11-dihydro-11-(4-piperidylidine)-5H-benzo[5,6]cyclohepta[1-2-b] pyridine
    Patent number: 6506767
    Abstract: Crystalline polymorphs of 8-chloro-6,11-dihydro-11-(4-piperidylidene)-5H-benzo[5,6]cycloheptic[1,2-b]pyridine represented by the formula pharmaceutical compositions containing such polymorphs, and methods of using such polymorphs to treat allergic reactions in mammals such as man are disclosed.
    Type: Grant
    Filed: July 1, 1998
    Date of Patent: January 14, 2003
    Assignee: Schering Corporation
    Inventors: Doris P. Schumacher, Junning Lee, Lawrence R. Rogers, Charles G. Eckhart, Naneshwar S. Sawant, Michael B. Mitchell