Patents by Inventor Loius Devries

Loius Devries 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).

  • Enhancing the production of aromatics in high temperature, high space velocity catalytic conversion of lower molecular weight hydrocarbons to higher molecular weight hydrocarbons
    Patent number: 4814533
    Abstract: In a continuous catalytic process for the production of higher molecular weight hydrocarbons from lower molecular weight hydrocarbons in which a lower molecular weight hydrocarbon containing gas is contacted in a reaction zone with a higher molecular weight hydrocarbon synthesis catalyst under C.sub.2 + hydrocarbon synthesis conditions, the improvement comprising adding hydrogen to said gas thereby forming a reaction gas wherein said hydrogen comprises 1 to 25 volume percent of the reaction gas, said synthesis conditions including a temperature greater than 1000.degree. C. and a gas hourly space velocity of greater than 3200 hr.sup.-1.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: March 21, 1989
    Assignee: Chevron Research Company
    Inventors: Loius Devries, P. R. Ryason