Patents by Inventor Dennis E. Chenoweth

Dennis E. Chenoweth 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).

  • Method and useful apparatus for preparing pharmaceutical compositions
    Patent number: 5336760
    Abstract: The invention provides an apparatus and method for the preparation of a pharmaceutical composition comprising a complex of an antigen component and the corresponding antibody component in a pharmacologically acceptable carrier. The apparatus comprises a housing chamber for containing paramagnetic particles and a platform against which the housing chamber is releasably retained. The platform contains one or more magnets located adjacent to the housing chamber when the housing chamber is positioned on the platform. The platform is secured to a support which allows the platform, and thus the housing chamber, to be rotated between a vertical and a horizontal position.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: August 9, 1994
    Assignee: Baxter International Inc.
    Inventors: R. Alan Hardwick, Alan K. Smith, William C. Lake, Dennis E. Chenoweth
  • 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
  • Methods of manufacturing nucleophilic material modified for improved biocompatibility
    Patent number: 4882106
    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: March 11, 1987
    Date of Patent: November 21, 1989
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventors: Richard J. Johnson, Dennis E. Chenoweth, Daniel R. Boggs, Michael J. Lysaght