Patents by Inventor An-hsiang Wu

An-hsiang Wu 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).

  • Patent number: 11648541
    Abstract: Catalysts and method of preparing the catalysts are disclosed. One of the catalysts includes a zeolite support, a Group VIII metal on the zeolite support, and at least two halides bound to the zeolite support, to the Group VIII metal, or to both, and can have an average crush strength greater than 11.25 lb based on at least two samples of pellets of the catalyst measured in accordance with ASTM D4179.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: May 16, 2023
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: An-Hsiang Wu, Joseph Bergmeister
  • Publication number: 20220134319
    Abstract: Catalysts and method of preparing the catalysts are disclosed. One of the catalysts includes a zeolite support, a Group VIII metal on the zeolite support, and at least two halides bound to the zeolite support, to the Group VIII metal, or to both, and can have an average crush strength greater than 11.25 lb based on at least two samples of pellets of the catalyst measured in accordance with ASTM D4179.
    Type: Application
    Filed: December 16, 2021
    Publication date: May 5, 2022
    Inventors: An-Hsiang WU, Joseph BERGMEISTER
  • Patent number: 11260376
    Abstract: Catalysts and method of preparing the catalysts are disclosed. One of the catalysts includes a zeolite support, a Group VIII metal on the zeolite support, and at least two halides bound to the zeolite support, to the Group VIII metal, or to both, and can have an average crush strength greater than 11.25 lb based on at least two samples of pellets of the catalyst measured in accordance with ASTM D4179.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: March 1, 2022
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: An-Hsiang Wu, Joseph Bergmeister, III
  • Patent number: 10774018
    Abstract: A method of preparing a bound zeolite support comprising: contacting a zeolite powder with a binder and water to form a paste; shaping the paste to form an wet extruded base; removing excess water from the wet extruded base to form an extruded base; contacting the extruded base with a fluorine-containing compound to form a fluorinated extruded base; calcining the extruded base to form a calcined fluorinated extruded base; washing the calcined fluorinated extruded base to form a washed calcined fluorinated extruded base; drying the washed calcined fluorinated extruded base to form a dried washed calcined fluorinated extruded base; and calcining the dried washed calcined fluorinated extruded base to form a bound zeolite support.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: September 15, 2020
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Publication number: 20200055034
    Abstract: Catalysts and method of preparing the catalysts are disclosed. One of the catalysts includes a zeolite support, a Group VIII metal on the zeolite support, and at least two halides bound to the zeolite support, to the Group VIII metal, or to both, and can have an average crush strength greater than 11.25 lb based on at least two samples of pellets of the catalyst measured in accordance with ASTM D4179.
    Type: Application
    Filed: October 22, 2019
    Publication date: February 20, 2020
    Inventors: An-Hsiang WU, Joseph BERGMEISTER, III
  • Publication number: 20200010384
    Abstract: A method of preparing a bound zeolite support comprising: contacting a zeolite powder with a binder and water to form a paste; shaping the paste to form an wet extruded base; removing excess water from the wet extruded base to form an extruded base; contacting the extruded base with a fluorine-containing compound to form a fluorinated extruded base; calcining the extruded base to form a calcined fluorinated extruded base; washing the calcined fluorinated extruded base to form a washed calcined fluorinated extruded base; drying the washed calcined fluorinated extruded base to form a dried washed calcined fluorinated extruded base; and calcining the dried washed calcined fluorinated extruded base to form a bound zeolite support.
    Type: Application
    Filed: September 16, 2019
    Publication date: January 9, 2020
    Inventor: An-Hsiang WU
  • Patent number: 10487025
    Abstract: A method of preparing a bound zeolite support comprising: contacting a zeolite powder with a binder and water to form a paste; shaping the paste to form an wet extruded base; removing excess water from the wet extruded base to form an extruded base; contacting the extruded base with a fluorine-containing compound to form a fluorinated extruded base; calcining the extruded base to form a calcined fluorinated extruded base; washing the calcined fluorinated extruded base to form a washed calcined fluorinated extruded base; drying the washed calcined fluorinated extruded base to form a dried washed calcined fluorinated extruded base; and calcining the dried washed calcined fluorinated extruded base to form a bound zeolite support.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: November 26, 2019
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Patent number: 10150104
    Abstract: A method of preparing an aromatization catalyst comprising contacting a zeolitic support with a metal-containing compound and a boron-containing compound to produce an impregnated support, and contacting the impregnated support with an activating composition to produce an aromatization catalyst, wherein the activating composition comprises a chlorine-containing compound and a fluorine-containing compound, and wherein the impregnated support is heated in the presence of the activating composition to a temperature in the range of from about 100° C. to about 500° C.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: December 11, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Publication number: 20180170837
    Abstract: A method of preparing a bound zeolite support comprising: contacting a zeolite powder with a binder and water to form a paste; shaping the paste to form an wet extruded base; removing excess water from the wet extruded base to form an extruded base; contacting the extruded base with a fluorine-containing compound to form a fluorinated extruded base; calcining the extruded base to form a calcined fluorinated extruded base; washing the calcined fluorinated extruded base to form a washed calcined fluorinated extruded base; drying the washed calcined fluorinated extruded base to form a dried washed calcined fluorinated extruded base; and calcining the dried washed calcined fluorinated extruded base to form a bound zeolite support.
    Type: Application
    Filed: December 21, 2016
    Publication date: June 21, 2018
    Inventor: An-Hsiang WU
  • Patent number: 9943837
    Abstract: Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: April 17, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Publication number: 20170128920
    Abstract: A method of preparing an aromatization catalyst comprising contacting a zeolitic support with a metal-containing compound and a boron-containing compound to produce an impregnated support, and contacting the impregnated support with an activating composition to produce an aromatization catalyst, wherein the activating composition comprises a chlorine-containing compound and a fluorine-containing compound, and wherein the impregnated support is heated in the presence of the activating composition to a temperature in the range of from about 100° C. to about 500° C.
    Type: Application
    Filed: November 9, 2015
    Publication date: May 11, 2017
    Inventor: An-Hsiang WU
  • Patent number: 9421529
    Abstract: A method of reactivating a spent catalyst comprising a metal and a catalyst support, the method comprising redispersing the metal in the spent catalyst to produce a redispersed spent catalyst, contacting the redispersed spent catalyst with a reactivating composition to produce a redispersed, reactivated spent catalyst, and thermally treating the redispersed, reactivated spent catalyst to produce a reactivated catalyst.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: August 23, 2016
    Assignee: Chevron Philips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Patent number: 9421530
    Abstract: Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst. The halogenation step can utilize fluorine and chlorine together, or fluorine and chlorine can be applied sequentially.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: August 23, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Publication number: 20160045904
    Abstract: Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst. The halogenation step can utilize fluorine and chlorine together, or fluorine and chlorine can be applied sequentially.
    Type: Application
    Filed: October 30, 2015
    Publication date: February 18, 2016
    Inventor: An-Hsiang Wu
  • Patent number: 9174895
    Abstract: Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst. The halogenation step can utilize fluorine and chlorine together, or fluorine and chlorine can be applied sequentially.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: November 3, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Publication number: 20150073190
    Abstract: Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst. The halogenation step can utilize fluorine and chlorine together, or fluorine and chlorine can be applied sequentially.
    Type: Application
    Filed: November 17, 2014
    Publication date: March 12, 2015
    Inventor: An-Hsiang Wu
  • Patent number: 8912108
    Abstract: Methods for treating or rejuvenating a spent catalyst are described. These methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst. The halogenation step can utilize fluorine and chlorine together, or fluorine and chlorine can be applied sequentially.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: December 16, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Publication number: 20140213839
    Abstract: Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst.
    Type: Application
    Filed: March 31, 2014
    Publication date: July 31, 2014
    Applicant: Chevron Phillips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Publication number: 20140194275
    Abstract: A method of reactivating a spent catalyst comprising a metal and a catalyst support, the method comprising redispersing the metal in the spent catalyst to produce a redispersed spent catalyst, contacting the redispersed spent catalyst with a reactivating composition to produce a redispersed, reactivated spent catalyst, and thermally treating the redispersed, reactivated spent catalyst to produce a reactivated catalyst.
    Type: Application
    Filed: January 20, 2014
    Publication date: July 10, 2014
    Applicant: Chevron Phillips Chemical Company LP
    Inventor: An-Hsiang Wu
  • Patent number: 8716161
    Abstract: Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: May 6, 2014
    Assignee: Chevron Phillips Chemical Company
    Inventor: An-Hsiang Wu