Patents by Inventor Ryan D. Alfonso

Ryan D. Alfonso 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).

  • Publication number: 20010036948
    Abstract: The present invention provides methods and compositions for inhibiting the proliferation of smooth muscle cells at a site of vascular injury. The methods include intravascular administration of a reactive compound to the site of injury, without the requirement for activation or sustained release of the compound.
    Type: Application
    Filed: June 11, 2001
    Publication date: November 1, 2001
    Inventors: John E. Hearst, William M. Greenman, Susan Wollowitz, Ryan D. Alfonso
  • Patent number: 6281225
    Abstract: The present invention provides methods for inhibiting restenosis at a site of vascular recanalization. The methods include intravascular administration of a reactive acridine compound to the site of injury, without the requirement for activation or sustained release of the compound.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: August 28, 2001
    Assignee: Cerus Corporation
    Inventors: John E. Hearst, William M. Greenman, Susan Wollowitz, Ryan D. Alfonso