Patents by Inventor Herbert B. Weisberg

Herbert B. Weisberg 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).

  • 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