Patents by Inventor Huynh Dai-Nghia

Huynh Dai-Nghia 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).

  • Process for solvent deasphalting heavy hydrocarbon fractions
    Patent number: 4440633
    Abstract: Heavy hydrocarbon fractions are made free of asphaltenes and/or resins by extraction with a deasphalting solvent in the presence of ultrasonic radiation.
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: April 3, 1984
    Assignee: Institut Francais du Petrole
    Inventors: Yves Jacquin, Manuel Gimenez-Coronado, Huynh Dai-Nghia