Patents by Inventor James M. Serpilio, Jr.

James M. Serpilio, Jr. 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).

  • Purification of silicone containing compounds by supercritical fluid extraction
    Patent number: 7368589
    Abstract: The present invention relates to a process for the purification of silicone containing compounds via supercritical fluid extraction. Specifically, the present invention relates to a process comprising the steps of contacting at least one silicone containing compound with a supercritical fluid having a density of between about 0.2 and about 0.8 g/ml, decreasing said density so that two phases are formed a first phase comprising said at least one silicone containing compound and a second phase comprising at least one impurity and separating said second phase from said first phase.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: May 6, 2008
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Shivkumar Mahadevan, Frank Molock, Robert S. Ward, Yuan Tian, Shanger Wang, James M. Serpilio, Jr.