Patents by Inventor Stephen Chudzik

Stephen Chudzik 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).

  • Publication number: 20050136091
    Abstract: A crosslinkable macromer system and related methods of preparing the system and using the system in the form of a crosslinked matrix between a tissue site and an implant article such as a tissue implant or on the porous surface of a prosthetic device. The macromer system includes two or more polymer-pendent polymerizable groups and one or more initiator groups (e.g., polymer-pendent initiator groups). The polymerizable groups and the initiator group(s), when polymer-pendent, can be pendent on the same or different polymeric backbones. The macromer system provides advantages over the use of polymerizable macromers and separate, low molecular weight initiators, including advantages with respect to such properties as nontoxicity, efficiency, and solubility. A macromer system of the invention can be used as an interface between the tissue site and implant article in a manner sufficient to permit tissue growth through the crosslinked matrix and between the tissue site and implant.
    Type: Application
    Filed: November 17, 2004
    Publication date: June 23, 2005
    Inventors: Stephen Chudzik, David Clapper
  • Publication number: 20050112086
    Abstract: The present invention provides method and materials for forming a polymeric matrix having improved biocompatible properties. A polymerization accelerator is provided that includes an N-vinyl group and a biocompatible functional group. The polymerization accelerator is particularly useful for the polymerization of macromers, which can be used to form biocompatible polymeric coatings on the surface of biological materials, such as cells and tissue.
    Type: Application
    Filed: November 26, 2003
    Publication date: May 26, 2005
    Inventors: Dale Swan, Stephen Chudzik, Ronald Ofstead