Patents by Inventor Michael Burkstrand

Michael Burkstrand 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: 20080089923
    Abstract: Biodegradable ocular implants are described. The ocular implants include a bioactive agent that can be released within the eye to treat an ocular condition or indication. The implants can be used for the administration of a bioactive agent over prolonged periods of time. In some aspects the implants are formed of a matrix of natural biodegradable polysaccharides.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 17, 2008
    Inventors: Michael Burkstrand, Signe Erickson, Stephen Chudzik, Pamela Reed
  • Publication number: 20070071792
    Abstract: In vivo formed matrices including natural biodegradable polysaccharides are described. The matrix is formed from a plurality of natural biodegradable polysaccharides having pendent coupling groups. The matrix can also include a bioactive agent that can be released to provide a therapeutic effect to a patient. The formed matrices are particularly useful for treatment of the eye.
    Type: Application
    Filed: September 21, 2006
    Publication date: March 29, 2007
    Inventors: Signe Varner, Nathan Beeley, Stephen Chudzik, Michael Burkstrand
  • Publication number: 20070065484
    Abstract: In situ formed biodegradable occlusions including natural biodegradable polysaccharides are described. The matrix is formed from a plurality of natural biodegradable polysaccharides having pendent coupling groups.
    Type: Application
    Filed: September 21, 2006
    Publication date: March 22, 2007
    Inventors: Stephen Chudzik, Joseph Chinn, Dale Swan, Michael Burkstrand, Peter Duquette
  • Publication number: 20070065482
    Abstract: Medical articles having a body member including natural biodegradable polysaccharides are described. The body member is formed from a plurality of natural biodegradable polysaccharides having pendent coupling groups. The body member can also include a bioactive agent which can be released to provide a therapeutic effect to a patient.
    Type: Application
    Filed: November 11, 2005
    Publication date: March 22, 2007
    Inventors: Stephen Chudzik, Dale Swan, Michael Burkstrand
  • Publication number: 20070065483
    Abstract: In vivo formed matrices including natural biodegradable polysaccharides are described. The matrix is formed from a plurality of natural biodegradable polysaccharides having pendent coupling groups. The matrix can also include a bioactive agent which can be released to provide a therapeutic effect to a patient.
    Type: Application
    Filed: November 11, 2005
    Publication date: March 22, 2007
    Inventors: Stephen Chudzik, Dale Swan, Michael Burkstrand
  • Publication number: 20070065481
    Abstract: Biodegradable coatings and articles that include natural biodegradable polysaccharides are described. The coatings and articles are formed from a plurality of natural biodegradable polysaccharides having pendent coupling groups.
    Type: Application
    Filed: November 11, 2005
    Publication date: March 22, 2007
    Inventors: Stephen Chudzik, Joseph Chinn, Dale Swan, Michael Burkstrand
  • Publication number: 20060287410
    Abstract: The invention provides compositions that include macromers and visible light-activated polymerization initiators, and methods for forming a matrix using these compositions in conjunction with a light source that emits light primarily in the visible light spectrum.
    Type: Application
    Filed: June 15, 2006
    Publication date: December 21, 2006
    Inventors: Stephen Chudzik, Michael Burkstrand
  • Publication number: 20050255142
    Abstract: Biodegradable coatings that include natural biodegradable polysaccharides are described. The coating is formed from a plurality of natural biodegradable polysaccharides having pendent coupling groups.
    Type: Application
    Filed: May 12, 2005
    Publication date: November 17, 2005
    Inventors: Stephen Chudzik, Joseph Chinn, Dale Swan, Michael Burkstrand