Patents by Inventor Stephen Charles

Stephen Charles 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).

  • Conjugates formed from polymer derivatives having particular atom arrangements
    Publication number: 20060275252
    Abstract: Polymeric reagents are provided comprising a moiety of atoms arranged in a specific order, wherein the moiety is positioned between a water-soluble polymer and a reactive group. The polymeric reagents are useful for, among other things, forming polymer-active agent conjugates. Related methods, compositions, preparations, and so forth are also provided.
    Type: Application
    Filed: March 23, 2006
    Publication date: December 7, 2006
    Inventors: J. Harris, Antoni Kozlowski, Samuel McManus, Michael Bentley, Stephen Charles
  • Polymer derivatives having particular atom arrangements
    Publication number: 20050009988
    Abstract: Polymeric reagents are provided comprising a moiety of atoms arranged in a specific order, wherein the moiety is positioned between a water-soluble polymer and a reactive group. The polymeric reagents are useful for, among other things, forming polymer-active agent conjugates. Related methods, compositions, preparations, and so forth are also provided.
    Type: Application
    Filed: May 21, 2004
    Publication date: January 13, 2005
    Inventors: J. Harris, Antoni Kozlowski, Samuel McManus, Michael Bentley, Stephen Charles