Patents Represented by Attorney Raymond Wittekind

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  • Stabilized delayed release emulsion
    Patent number: 4874605
    Abstract: A stabilized delayed release emulsion comprising:(a) a lipophilic external phase, and(b) a hydrophilic phase having incorporated therein:(i) a pharmaceutically active ingredient, said pharmaceutically active ingredient being substantially insoluble in said lipophilic phase; and(ii) a gelling agent; anda process for preparing same are disclosed.
    Type: Grant
    Filed: November 27, 1987
    Date of Patent: October 17, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Joseph J. Urban, Jr., Norman Henderson, Anthony J. Behe
  • Ethanobenzazepines
    Patent number: 4833244
    Abstract: Novel ethanobenzazepines, processes for the preparation thereof, and a method of alleviating pain utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: October 1, 1987
    Date of Patent: May 23, 1989
    Assignee: Hoechst-Rouseel Pharmaceuticals Inc.
    Inventors: Raymond W. Kosley, Jr., Bernhard Seuring
  • Piperidine intermediates
    Patent number: 4810792
    Abstract: Novel 3-methylenespiro[benzofuran-2(3H),4'-piperidines, intermediates and processes for the preparation thereof and methods for reducing blood pressure utilizing the compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: March 7, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventor: Raymond W. Kosley, Jr.