Patents Assigned to Herbert B. Weisberg
  • Composition and method for de-installing asbestos coatings
    Patent number: 4699666
    Abstract: A debilitant composition of water and a homopolymer of ethylene oxide having a molecular weight of from about 100,000 to about 5,000,000 and having a repeating monomeric unit with a molecular weight of 44 is applied to a body of previously installed asbestos insulation in sufficient quantity to thoroughly wet at least the exposed portion thereof. Thereafter, the pre-wet body is mechanically debrided.
    Type: Grant
    Filed: April 9, 1986
    Date of Patent: October 13, 1987
    Assignee: Herbert B. Weisberg
    Inventors: John C. Tidquist, Herbert B. Weisberg