Patents by Inventor Mary E. McDonald

Mary E. McDonald 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).

  • Patent number: 7211551
    Abstract: Versatile cleaning composition that has tremendous cleaning power, yet is compatible with many surfaces. For example, the cleaning composition easily cleans oil, grease, tar, and rubber from soiled surfaces, but does not damage metals, vehicle paints, concrete, plastics such as polycarbonate, MYLAR polyester and silicone sealants, wood, ceramic, and the like. The cleaning composition includes an oil solubilizing amount of a degreaser, a rubber solubilizing amount of a rubber solvent, and a polar, organic diluent. In preferred embodiments, the degreaser comprises a glycol ether, the rubber solvent comprises an nonaromatic naphtha, and the diluent comprises an alcohol.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: May 1, 2007
    Inventor: Mary E. McDonald
  • Publication number: 20040121927
    Abstract: Versatile cleaning composition that has tremendous cleaning power, yet is compatible with many surfaces. For example, the cleaning composition easily cleans oil, grease, tar, and rubber from soiled surfaces, but does not damage metals, vehicle paints, concrete, plastics such as polycarbonate, MYLAR polyester and silicone sealants, wood, ceramic, and the like. The cleaning composition includes an oil solubilizing amount of a degreaser, a rubber solubilizing amount of a rubber solvent, and a polar, organic diluent. In preferred embodiments, the degreaser comprises a glycol ether, the rubber solvent comprises an nonaromatic naphtha, and the diluent comprises an alcohol.
    Type: Application
    Filed: October 21, 2003
    Publication date: June 24, 2004
    Inventor: Mary E. McDonald
  • Patent number: 6583097
    Abstract: Versatile cleaning composition that has tremendous cleaning power, yet is compatible with many surfaces. For example, the cleaning composition easily cleans oil, grease, tar, and rubber from soiled surfaces, but does not damage metals, vehicle paints, concrete, plastics such as polycarbonate, MYLAR polyester and silicone sealants, wood, ceramic, and the like. The cleaning composition includes an oil solubilizing amount of a degreaser, a rubber solubilizing amount of a rubber solvent, and a polar, organic diluent. In preferred embodiments, the degreaser comprises a glycol ether, the rubber solvent comprises an nonaromatic naphtha, and the diluent comprises an alcohol, preferably a C2 to C5 alcohol.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: June 24, 2003
    Inventor: Mary E. McDonald
  • Publication number: 20020010117
    Abstract: Versatile cleaning composition that has tremendous cleaning power, yet is compatible with many surfaces. For example, the cleaning composition easily cleans oil, grease, tar, and rubber from soiled surfaces, but does not damage metals, vehicle paints, concrete, plastics such as polycarbonate, MYLAR polyester and silicone sealants, wood, ceramic, and the like. The cleaning composition includes an oil solubilizing amount of a degreaser, a rubber solubilizing amount of a rubber solvent, and a polar, organic diluent. In preferred embodiments, the degreaser comprises a glycol ether, the rubber solvent comprises an nonaromatic naphtha, and the diluent comprises an alcohol, preferably a C2 to C5 alcohol.
    Type: Application
    Filed: January 19, 2001
    Publication date: January 24, 2002
    Inventor: Mary E. McDonald