Patents by Inventor Stephen S. Schwartz

Stephen S. Schwartz 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).

  • Integrated container for lyophilization, rehydration and processing of biological materials
    Patent number: 7422726
    Abstract: An apparatus to lyophilize, store, transport, rehydrate, and process aqueous biological materials in a container which maintains sterility of its contents, allows container shrinkage after lyophilization, and optimally permits filtration or dialysis of the contents in situ, without the need for a second or series of additional containers. These benefits are met by a microporous container constructed of a membrane that is water vapor permeable, yet water impermeable.
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: September 9, 2008
    Assignee: Blood Cell Storage, Inc.
    Inventors: Roy H. Hammerstedt, Stephen S. Schwartz
  • Integrated container for lyophilization, rehydration and processing of biological materials
    Publication number: 20040081588
    Abstract: An apparatus to lyophilize, store, transport, rehydrate, and process aqueous biological materials in a container which maintains sterility of its contents, allows container shrinkage after lyophilization, and optimally permits filtration or dialysis of the contents in situ, without the need for a second or series of additional containers. These benefits are met by a microporous container constructed of a membrane that is water vapor permeable, yet water impermeable.
    Type: Application
    Filed: October 23, 2002
    Publication date: April 29, 2004
    Inventors: Roy H. Hammerstedt, Stephen S. Schwartz