Patents by Inventor David B. Henthorn

David B. Henthorn 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: 20020071869
    Abstract: The invention relates to a cross-linked hydrogel composition in the form of substantially uniform microparticles and a method of preparation therefor. The hydrogel composition comprises a crosslinked polymer formed by free radical polymerization of olefin monomers comprising a C3-C6 unsaturated carboxylic acid and a water dispersible polyolefin crosslinking agent. The olefin monomers may further comprise a polyalkyleneglycol monoacrylate or momomethacrylate.
    Type: Application
    Filed: August 22, 2001
    Publication date: June 13, 2002
    Inventors: Petr Bures, David B. Henthorn, Nicholas A. Peppas