Patents by Inventor Jack J. Wick

Jack J. Wick 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: 6740710
    Abstract: The present invention provides a method and composition for waterproofing explosive materials. The method includes providing a waterproofing composition and subsequently coating an explosive material with the composition to produce a moisture barrier. In one embodiment, the composition comprises a reaction product of from 25 to 40 percent by weight of mixed isomers of diphenylmethane diisocyanate; from 45 to 85 percent by weight of a polymer derived from 1,3-butadiene and containing functional groups that are reactive with an isocyanate group; from 0.005 to 0.05 percent by weight of an aromatic isocyanate; and from 0.005 to 0.05 percent by weight of a catalyst.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: May 25, 2004
    Inventor: Jack J. Wick