Patents by Inventor Zia I. Mirza

Zia I. Mirza 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: 4225415
    Abstract: Values are recovered from a hydrocarbon-containing vapor by contacting the vapor with quench liquid consisting essentially of hydrocarbons to form a condensate and a vapor residue, the condensate and quench fluid forming a combined liquid stream. The combined liquid stream is mixed with a viscosity-lowering liquid to form a mixed liquid having a viscosity lower than the viscosity of the combined liquid stream to permit easy handling of the combined liquid stream. The quench liquid is a cooled portion of the mixed liquid. Viscosity-lowering liquid is separated from a portion of the mixed liquid and cycled to form additional mixed liquid.
    Type: Grant
    Filed: August 10, 1979
    Date of Patent: September 30, 1980
    Assignee: Occidental Petroleum Corporation
    Inventors: Zia I. Mirza, Everett W. Knell, Bruce L. Winter
  • Patent number: 4085030
    Abstract: In a continuous process for recovery of values contained in a solid carbonaceous material, the carbonaceous material is comminuted and then subjected to flash pyrolysis in the presence of a particulate heat source to form a pyrolysis product stream containing a carbon containing solid residue and volatilized hydrocarbons. After the carbon containing solid residue is separated from the pyrolysis product stream, values are obtained by condensing volatilized hydrocarbons. The particulate source of heat is formed by oxidizing carbon in the solid residue. Apparatus useful for practicing this process are disclosed.
    Type: Grant
    Filed: June 25, 1976
    Date of Patent: April 18, 1978
    Assignee: Occidental Petroleum Corporation
    Inventors: Norman W. Green, Kandaswamy Duraiswamy, Robert E. Lumpkin, Everett W. Knell, Zia I. Mirza, Bruce L. Winter