Patents by Inventor William Rencher

William Rencher 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).

  • Nasal spray compositions
    Patent number: 5854269
    Abstract: An aqueous nasal decongestant composition containing oxymatazoline is disclosed which does not contain mercurial preservatives.
    Type: Grant
    Filed: August 6, 1996
    Date of Patent: December 29, 1998
    Assignee: Schering-Plough Healthcare Products, Inc.
    Inventors: Joseph A. Haslwanter, William Rencher