Patents by Inventor Kandasmy M. Sundaram

Kandasmy M. Sundaram 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).

  • Inhibition of coke formation during vaporization of heavy hydrocarbons
    Patent number: 5190634
    Abstract: An improved process for vaporizing a crude petroleum feedstock, preferably one boiling in the vacuum gas oil range or higher, prior to thermal cracking to olefins, wherein such feedstock is preheated, in one or more stages, in the convection section of a tubular steam cracking furnace, characterized by conducting the preheating in the presence of a small amount of hydrogen, preferably at a hydrogen/feed ratio of from about 0.01 to about 0.15 wt. %, so as to inhibit coke formation.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: March 2, 1993
    Assignee: Lummus Crest Inc.
    Inventors: Jorge M. Fernandez-Baujin, Kandasmy M. Sundaram, Jo-Lung Chien