Patents by Inventor Michael V. Callahan

Michael V. Callahan 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).

  • PURIFIED EXOSOME PRODUCTS, METHOD OF MAKING, AND METHODS OF USING
    Publication number: 20210169812
    Abstract: A purified exosome product includes spherical or spheroid exosomes with a diameter no greater than 250 nm. In some embodiments, the purified exosome product has a moisture content of no more than 10%. The purified exosome product can be reconstituted to prepare an artificial blood product.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 10, 2021
    Inventors: Atta Behfar, Soulmaz Boroumand, Michael V. Callahan
  • Methods and compositions for treatment of infection by intracellular parasites
    Patent number: 5270052
    Abstract: A method for treating an infection caused by an intracellular parasite in a patient. The method includes administering to the patient liposomes coated with C-reactive protein, wherein the liposomes include phosphatidylcholine or phosphorylcholine.
    Type: Grant
    Filed: April 19, 1991
    Date of Patent: December 14, 1993
    Assignee: New England Medical Center Hospitals, Inc.
    Inventors: Jeffrey A. Gelfand, Michael V. Callahan, Yoshinori Yamada