Patents by Inventor Robert Zamarripa

Robert Zamarripa 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).

  • Method of controlling deposition of foulants in processing equipment used to process products streams produced by the dehydrogenation of aliphatic hydrocarbons
    Patent number: 6165368
    Abstract: A method for controlling the deposition of foulants such as polynuclear aromatic compounds on the internal surfaces of equipment in a processing train used to process a product stream obtained by dehydrogenating an aliphatic compound containing from 2 to 5 carbon atoms wherein there is introduced into the processing train an effective amount of a liquid solvent having at least one hydroxyl group and a minimum boiling point of about 64.7.degree. C., the solvent being passed through at least a portion of the processing train, after which it is removed from the processing train.
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: December 26, 2000
    Assignee: Valero Energy Corporation
    Inventor: Robert Zamarripa