Patents by Inventor Walter Oscar Pillar

Walter Oscar Pillar 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).

  • Styrene polymer foams having reduced flammability containing allyl ether synergists
    Patent number: 4028285
    Abstract: The amount of brominated aliphatic compound required to render styrene polymer foams less flammable is reduced by the addition of 0.25 to 0.75% by weight of either allyl phenyl ether or tetraallyloxy propane as synergists for the decomposition of the bromine compound.
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: June 7, 1977
    Assignee: ARCO Polymers, Inc.
    Inventor: Walter Oscar Pillar