Patents by Inventor Robert A. Kolstad

Robert A. Kolstad 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).

  • Decontamination of medical waste
    Patent number: 5209411
    Abstract: Method for decontaminating medical waste by comminuting it and contacting the comminuted waste with an antimicrobial agent.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: May 11, 1993
    Assignee: Cox Sterile Products, Inc.
    Inventors: Christopher P. Dineley, Robert A. Kolstad
  • Sterilization method
    Patent number: 4973449
    Abstract: Heat-labile articles are sterilized by subjecting them to pulses of sporicidal vapors and maintaining them for a holding period in contact with such vapors.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: November 27, 1990
    Assignee: MDT Corporation
    Inventors: Robert A. Kolstad, Robert R. Runnells, John C. Schmoegner
  • Germicidal iodophor composition
    Patent number: 4867897
    Abstract: A germicidal composition capable of action as an antiseptic or as a disinfectant contains a solvent, iodine and an anionic surfactant, such as nonylphenoxy(ethyleneoxy).sub.4 ethanol sulfate. An admixture with sodium lauryl sulfate is preferred. Said composition, when diluted with water, has a free iodine content greater than that of the iodophors. Methods of making and using the composition are also disclosed.
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: September 19, 1989
    Assignee: MDT Corporation
    Inventor: Robert A. Kolstad