Patents by Inventor Walid Y. Aziz

Walid Y. Aziz 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: 4176095
    Abstract: High molecular weight, thermoplastic xylene-formaldehyde polymers are reinforced by inclusion therein of certain fibers and other materials such as carbon fibers, cotton flock, wood flour, granulated cork and glass fibers.
    Type: Grant
    Filed: July 19, 1978
    Date of Patent: November 27, 1979
    Assignee: Standard Oil Company
    Inventors: Walid Y. Aziz, Lawrence E. Ball
  • Patent number: 4082728
    Abstract: Light colored, high molecular weight thermoplastic xylene-formaldehyde polymers are prepared by reaction of substantially equimolar amounts of xylene and formaldehyde in the presence of a strong acid catalyst by the exclusion of air from the reactor.
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: April 4, 1978
    Assignee: The Standard Oil Company
    Inventors: Walid Y. Aziz, Lawrence E. Ball, Irving Rosen
  • Patent number: 4020128
    Abstract: Polymeric compositions having good impact resistance, low permeability to gases, and high-softening temperatures which are composed of a conjugated diene monomer, such as butadiene, an olefinically unsaturated nitrile, such as acrylonitrile, an alpha-olefin, such as isobutylene, and indene are described.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: April 26, 1977
    Assignee: Standard Oil Company
    Inventors: Walid Y. Aziz, Lawrence E. Ball, George S. Li
  • Patent number: 3997709
    Abstract: Polymeric resins which are high softening and function as gas and vapor barrier materials are composed of an olefinically unsaturated nitrile, such as acrylonitrile, isobutylene, and indene.
    Type: Grant
    Filed: December 24, 1975
    Date of Patent: December 14, 1976
    Assignee: Standard Oil Company
    Inventors: Walid Y. Aziz, Lawrence E. Ball, George S. Li