Patents by Inventor Ira M. Herman

Ira M. Herman 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).

  • Enhancing keratinocyte migration
    Patent number: 5851522
    Abstract: This invention relates to the use of a particular form of collagenase substantially free of other proteinases to increase the motility of karatinocytes.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 22, 1998
    Assignee: Trustees of Tufts College
    Inventor: Ira M. Herman
  • Enhancing keratinocyte migration and proliferation
    Patent number: 5718897
    Abstract: A method of enhancing the migration and proliferation of keratinocytes in wound healing or in the growth of artificial skin grown in vitro. The wound is contacted with (a) an effective amount of purified Clostridiopeptidase A collagenase that is substantially free from other proteinases and (b) an amount of a growth factor that increases the effects of said collagenase. The artificial skin is grown upon biomatrices previously synthesized by living cells and digested with Clostridiopeptidase A collagenase while in the presence of (a) an effective concentration of purified Clostridiopeptidase A collagenase substantially free from other proteinases and (b) a growth factor in a concentration effective to increase the effectiveness of said collagenase.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: February 17, 1998
    Assignee: Trustees of Tufts College
    Inventor: Ira M. Herman