Patents by Inventor Richard R. Willis

Richard R. Willis 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).

  • Publication number: 20020192828
    Abstract: A method of determining a surface property of solids in a plurality by contacting the solids with a fluid, measuring the radiation emitted, absorbed, or altered during adsorption of the fluid using a detector, and then determining at least one surface property of the solids from the radiation measurements has been invented. The invention is particularly useful in combinatorial applications in order to evaluate a plurality of solids or mixtures of solids to determine at least one surface property of each of the solids.
    Type: Application
    Filed: April 27, 2001
    Publication date: December 19, 2002
    Inventors: LaSalle R. Swenson, Timothy A. Brandvold, Michael J. McCall, Richard R. Willis
  • Patent number: 6383967
    Abstract: A zeolitic catalyst useful in the selective disproportionation and transalkylation of toluene comprises a molecular sieve having a pore diameter of about 5 to 8 Å, a refractory inorganic oxide and a reduced weak non-framework metal which is believed to provide Lewis acidity.
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: May 7, 2002
    Assignee: UOP LLC
    Inventors: Jennifer S. Holmgren, Douglas B. Galloway, Leonid B. Galperin, Richard R. Willis
  • Patent number: 6190562
    Abstract: For the removal of trace quantities of iodine-containing contaminants from corrosive liquid feed streams, an alternative with distinct advantages over the prior art is provided. The treatment method involves the use of a crystalline manganese phosphate which has been cation-exchanged with an iodine-reactive metal. This inorganic adsorbent may be used in unbound form, or it can bound with a substantially insoluble porous inorganic refractory metal oxide binder. A reactivation technique for this material is also presented.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: February 20, 2001
    Assignee: UOP LLC
    Inventors: Santi Kulprathipanja, Gregory J. Lewis, Richard R. Willis
  • Patent number: 6008423
    Abstract: An improved process is disclosed for the selective disproportionation and transalkylation of toluene. The process uses a zeolitic catalyst, preferably comprising a binder, containing a weak metal in a defined reduced state which is believed to provide Lewis acidity in the catalyst. The catalyst and process provide improved selectivity for the production of paraxylene.
    Type: Grant
    Filed: December 8, 1997
    Date of Patent: December 28, 1999
    Assignee: UOP LLC
    Inventors: Jennifer S. Holmgren, Douglas B. Galloway, Leonid B. Galperin, Richard R. Willis
  • Patent number: 5962735
    Abstract: A solution is provided to the long sought inorganic alternative to resin based adsorbents for iodide clean-up service for corrosive organic liquid. The solution involves the use of a solid inorganic adsorbent comprising a combination of a silica-rich zeolite molecular sieve, which has been cation-exchanged with an iodide-reactive metal selected from silver, mercury, copper, lead, thallium, palladium or mixtures thereof, with a substantially insoluble, porous refractory inorganic oxide binder. Reactivation and regeneration technique for the spent inorganic adsorbent are also covered.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: October 5, 1999
    Assignee: UOP LLC
    Inventors: Santi Kulprathipanja, Benjamin C. Spehlmann, Richard R. Willis, John D. Sherman, William A. Leet
  • Patent number: 5925284
    Abstract: Applicants have developed a unique process for preparing a shaped article comprising an ion exchange composition and a hydroxy oxide binder. The ion exchange compositions include metallotitanates, metallogermanates, pillared clays and metal phosphonates. The process involves combining the ion exchange composition with a binder precursor and water, forming the mixture into a shaped article and heating the article at a temperature of about 85.degree. C. to about 120.degree. C. These shaped articles are useful for removing metal ions such as cesium from feed streams.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: July 20, 1999
    Assignee: UOP
    Inventors: John D. Sherman, Richard R. Willis, Robert L. Bedard, Albert S. Behan, Philip Connolly
  • Patent number: 5524439
    Abstract: A temperature climate control system comprises a variable temperature seat, at least one heat pump, at least one heat pump temperature sensor, and a controller. Each heat pump comprises a number of Peltier thermoelectric modules for temperature conditioning the air in a main heat exchanger and a main exchanger fan for passing the conditioned air from the main exchanger to the variable temperature seat. The Peltier modules and each main fan may be manually adjusted via a temperature switch and a fan switch, respectively. Additionally, the temperature climate control system may comprise a number of additional temperature sensors to monitor the temperature of the ambient air surrounding the occupant as well as the temperature of the conditioned air directed to the occupant.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: June 11, 1996
    Assignee: Amerigon, Inc.
    Inventors: David F. Gallup, David R. Noles, Richard R. Willis