Patents by Inventor Zbigniew Jack Lobos

Zbigniew Jack Lobos 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).

  • Halo-acetyl high green strength rubbers
    Patent number: 4052542
    Abstract: Synthetic rubber compositions of improved green strength are prepared by reacting a rubbery polymer containing small amounts of tertiary amine groups bound in the polymer chain with a dihalogen compound having halogen groups located in the molecule of the compound in conjugated relationship to a carbonyl group. An example of a suitable rubbery polymer is a terpolymer of butadiene, styrene and dimethylanunoethyl methacrylate. An example of a suitable dihalogen compound is 4,4'-bis (bromoacetyl) diphenyl.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: October 4, 1977
    Assignee: Polysar Limited
    Inventors: Yung-Kang Wei, Zbigniew Jack Lobos