Patents by Inventor Farokh Yaghmaie

Farokh Yaghmaie 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).

  • Stable aqueous suspension of partial oxidation ash, slag and char containing polyethoxylated quaternary ammonium salt surfactant
    Patent number: 4861346
    Abstract: A pumpable stable aqueous suspension of ash, slag, and char particulate matter produced by the partial oxidation of a carbonaceous charge fuel comprises 1.0-50.0 wt. % particulate matter selected from the group consisting of ash, slag, and char and mixtures thereof, water, and about 0.1-10.0 wt % of an alkyl substituted amino based surfactant selected from the group consisting of alkyl-substituted aminobutyric acid, alkyl-substituted polyethoxylated amide and alkyl-substituted polyethoxylated quarternary ammonium salt.
    Type: Grant
    Filed: January 7, 1988
    Date of Patent: August 29, 1989
    Assignee: Texaco Inc.
    Inventors: Mitri S. Najjar, Farokh Yaghmaie, Louis S. Sorell