Patents by Inventor Robert Hibbard Harding

Robert Hibbard Harding 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).

  • MULTIPLE FLUIDIZED BED OR SPOUTED BED REACTORS FOR PLASTICS PYROLYSIS
    Publication number: 20240425769
    Abstract: A system for converting plastic includes a catalyst regenerator, a feeder containing plastic feedstock, a first conical spouted bed reactor stage in fluid communication with the catalyst regenerator and in fluid communication with the feeder, and a second conical spouted bed reactor stage in fluid communication with the first conical spouted bed reactor stage.
    Type: Application
    Filed: October 5, 2022
    Publication date: December 26, 2024
    Applicant: W.R. Grace & Co.-CONN.
    Inventors: Wu-Cheng CHENG, Guang YUAN, Robert Hibbard HARDING, Abubacker SIDDIEQ, Anapagaddi RAVIKIRAN
  • Process for sulfur removal from hydrocarbon liquids
    Patent number: 6558533
    Abstract: The present invention is directed to a method of desulfurization of a sulfur laden hydrocarbon liquids that comprises contacting the liquid with a sponge nickel metal alloy, removing the sulfur free liquid, regeneration of the alloy by contact with an aqueous solution of an oxidant and reusing the alloy for further desulfurization of additional sulfur laden liquid.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: May 6, 2003
    Assignee: W.R. Grace & Co.-Conn
    Inventors: Stephen Raymond Schmidt, Richard Franklin Wormsbecher, Robert Hibbard Harding
  • Process for sulfur removal from hydrocarbon liquids
    Publication number: 20030019794
    Abstract: The present invention is directed to a method of desulfurization of a sulfur laden hydrocarbon liquids that comprises contacting the liquid with a sponge nickel metal alloy, removing the sulfur free liquid, regeneration of the alloy by contact with an aqueous solution of an oxidant and reusing the alloy for further desufurization of additional sulfur laden liquid.
    Type: Application
    Filed: April 13, 2001
    Publication date: January 30, 2003
    Inventors: Stephen Raymond Schmidt, Richard Franklin Wormsbecher, Robert Hibbard Harding