Patents Represented by Attorney Robert R. Barrett

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  • Medical tubing with water-activated lubricating coating
    Patent number: 4835003
    Abstract: Medical tubing carries on at least a portion of its length a water-activated lubricating coating of a hydrophilic thermoplastic resin which is adhesively compatible with the material of the medical tubing and polyvinyl pyrrolidone having a molecular weight of at least 200,000, in the form of a dispersed separate phase in the thermoplastic resin upon hydration. The polyvinyl pyrrolidone provides long-lasting lubrication when wet.
    Type: Grant
    Filed: April 17, 1985
    Date of Patent: May 30, 1989
    Assignee: Baxter International Inc.
    Inventors: Lawrence F. Becker, Dean G. Laurin, Joseph A. Palomo