Patents by Inventor Ronald L. Scheman

Ronald L. Scheman 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).

  • Method of treating retinal occlusion with sildenafil
    Publication number: 20030225101
    Abstract: A symptom of an ocular circulatory condition in a human being is treated by administering an effective amount of 1-[4-ethoxy-3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo-[4,3-d]pyrimidin-5-yl)phenylsulphonyl]-4-methylpiperazine or a pharmaceutically acceptable salt thereof to the human being.
    Type: Application
    Filed: May 31, 2002
    Publication date: December 4, 2003
    Inventor: Ronald L. Scheman