Patents by Inventor John Gregory Maresh

John Gregory Maresh 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).

  • Chemically defined cell culture media and system and methods for use, particularly for culturing epithelial cells
    Patent number: 5712163
    Abstract: The present invention provides systems, methods and chemically defined media for the cultivation of cells, particularly epithelial cells. Cells may be cultured with a varied calcium concentration. Furthermore, a calcium concentation in excess of 1.00 mM may be used in the practice of the present invention without loss of a proliferative cell population and maintianing high colony forming efficiencies. Population doubling times range from about 16 to about 33 hours. Cells may serially cultivated to achieve from about 20 to about 50 population doublings.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: January 27, 1998
    Assignee: Organogenesis, Inc.
    Inventors: Nancy Louise Parenteau, Eric William Johnson, Susan Frances Meunier, John Gregory Maresh