Patents by Inventor William R. Nadler

William R. Nadler 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).

  • Pharmaceutical compositions for piperidinoalkanol-ibuprofen combination
    Patent number: 4999226
    Abstract: The present invention is directed to a multi-layered tablet containing an ibuprofen layer, a piperidino-alkanol antihistamine layer, and a layer or layers containing conventional pharmaceutical excipients which is interspersed between the ibuprofen and piperidino-alkanol layer and serves to physically separate them. This tablet solves the problems associated with the physical and chemical incompatibilities between ibuprofen and the piperidinoalkanol antihistamines.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: March 12, 1991
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Herbert Schock, David F. Long, William R. Nadler