Patents Assigned to Newastecon, Inc.
  • Patent number: 5082500
    Abstract: A sprayable composition and a method of protecting material with the composition is disclosed. The composition comprises a polymer such as hydroxyethyl cellulose, clay, and water to provide a cover layer which, after spraying, is tough, flexible and water-repellent. Other materials such as shredded paper and gypsum can be used in the cover layer. The composition is effective as a cover layer over material such as soil, refuse at a dump site, or grain in a stockpile.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: January 21, 1992
    Assignee: Newastecon, Inc.
    Inventors: Thomas Nachtman, John Hull, Patrick O'Shea