Patents by Inventor Eliahu Wurman

Eliahu Wurman 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).

  • Process for the manufacture of flame-resistant boards, a flame-retardant mixture and a flame-retardant bonding composition containing the same
    Patent number: 4012558
    Abstract: Flame resistant boards of bonded wood sheets and/or lignocellulosic material wherein the boards are bonded with a bonding agent, such as a formaldehyde resin, and a flame retardant mixture comprising ammonium bromide, an organic phosphate such as urea phosphate and an amine derivative of a formaldehyde polymer such as hexamethylenetetramine whereby said amine derivative inhibits the rate of gelling of said bonding agent.
    Type: Grant
    Filed: May 22, 1974
    Date of Patent: March 15, 1977
    Assignee: Dead Sea Bromine Company Ltd.
    Inventor: Eliahu Wurman