Patents by Inventor Donna M. Majewski

Donna M. Majewski 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).

  • Disinfectant polymeric coatings for hard surfaces
    Patent number: 5061485
    Abstract: Liquid disinfectant compositions are disclosed which can be used to surface-coat substrates with polymeric films which are adherent, water-resistant and which can impart prolonged germicidal properties to the treated surfaces.
    Type: Grant
    Filed: February 16, 1989
    Date of Patent: October 29, 1991
    Assignee: Ecolab Inc.
    Inventors: Thomas R. Oakes, Daniel E. Pedersen, Donna M. Majewski
  • Disinfectant polymeric coatings from esters of .alpha.,.beta.-unsaturated carboxylic acid and germicide
    Patent number: 4999386
    Abstract: Liquid disinfectant compositions are disclosed which can be used to surface-coat substrates with polymeric films which are adherent, water-resistant and which can impart prolonged germicidal properties to the treated surfaces.
    Type: Grant
    Filed: November 16, 1988
    Date of Patent: March 12, 1991
    Assignee: Ecolab Inc.
    Inventors: Thomas R. Oakes, Daniel E. Pedersen, Donna M. Majewski
  • Disinfectant polymeric coatings for hard surfaces
    Patent number: 4883828
    Abstract: Liquid disinfectant compositions are disclosed which can be used to surface-coat substrates with polymeric films which are adherent, water-resistant and which can impart prolonged germicidal properties to the treated surfaces.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: November 28, 1989
    Assignee: Ecolab Inc.
    Inventors: Thomas R. Oakes, Daniel E. Pedersen, Donna M. Majewski
  • Treatment of fabrics in machine dryers using treating means containing fabric treating composition having resistance to change in viscosity and release rate with temperature change
    Patent number: 4642258
    Abstract: A reusable permeable dispenser for dispensing solid or semi-solid fabric conditioning agent which can be attached to a machine dryer drum or tumbles loosely in the dryer, comprising a flexible permeable container comprising a composition of a quarternary ammonium anti-static agent, a polyalkylene oxide compound, and silicone dioxide which has a substantially constant release rate regardless of dryer operator temperature.
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: February 10, 1987
    Assignee: Economics Laboratory, Inc.
    Inventors: Donna M. Majewski, Stephen A. Morganson