Patents Represented by Attorney Charles R. Mattens050737584on

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  • Methods of manufacturing nucleophilic material modified for improved biocompatibility
    Patent number: 5073265
    Abstract: A material is formed into hollow fiber form, and the surface characteristics of the interior bore is selectively modified in a predetermined fashion by a reactive lumen fluid. Nucleophilic materials, such as regenerated cellulose, can be formed into hollow fibers and simultaneously modified to improve their biocompatibility in accordance with the invention.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: December 17, 1991
    Inventors: Richard J. Johnson, Dennis E. Chenoweth, Daniel R. Boggs, Michael J. Lysaght