Patents by Inventor Ann Jia-Bao Liang

Ann Jia-Bao Liang 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).

  • USE OF MTW-ZEOLITE IN SUPPORT FOR HYDROCRACKING CATALYSTS WITH IMPROVED SELECTIVITY AND COLD FLOW PROPERTY OF MIDDLE DISTILLATE
    Publication number: 20230191381
    Abstract: The process comprises hydrocracking a hydrocarbon feed in a single stage. The catalyst comprises a base impregnated with metals from Group 6 and Groups 8 through 10 of the Periodic Table. The base of the catalyst used in the present hydrocracking process comprises alumina, an amorphous silica-alumina (ASA) material, a USY zeolite, optionally a beta zeolite, and zeolite ZSM-12.
    Type: Application
    Filed: May 14, 2021
    Publication date: June 22, 2023
    Inventors: Bi-Zeng ZHAN, Ann Jia-Bao LIANG, Theodorus Ludovicus Michael MAESEN
  • Use of SSZ-41X and MTW zeolites for the production of jet and diesel fuels
    Patent number: 11674092
    Abstract: A process is disclosed for producing distillate range hydrocarbons using MTW and/or SSZ-41x catalysts.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: June 13, 2023
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Trenton J. Otto, Ann Jia-Bao Liang, Stacey Ian Zones, Christopher Michael Lew, Jesús C. Pascual, Bi-Zeng Zhan
  • MTW-ZEOLITE AS SUPPORT FOR SECOND STAGE HYDROCRACKING CATALYSTS WITH IMPROVED SELECTIVITY AND COLD FLOW PROPERTY OF DISTILLATE PRODUCTS
    Publication number: 20230174873
    Abstract: The present process comprises hydrocracking a hydrocarbon feed in a first stage. The catalyst in the first stage is a conventional hydrocracking catalyst. The product from the first stage can then be transferred to a second hydrocracking stage. The catalyst used in the second stage of the present hydrocracking process comprises a base impregnated with metals from Group 6 and Groups 8 through 10 of the Periodic Table. The base of the catalyst used in the present second hydrocracking stage comprises alumina, an amorphous silica-alumina (ASA) material, a USY zeolite and zeolite ZSM-12.
    Type: Application
    Filed: May 5, 2021
    Publication date: June 8, 2023
    Inventors: Bi-Zeng ZHAN, Tracy M. DAVIS, Ann Jia-Bao LIANG
  • Processes using molecular sieve SSZ-99
    Patent number: 9475038
    Abstract: This disclosure is directed to uses for a new crystalline molecular sieve designated SSZ-99. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: October 25, 2016
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Stacey Ian Zones, Dan Xie, Cong-Yan Chen, Ann Jia-Bao Liang
  • Processes using molecular sieve SSZ-100
    Patent number: 9468917
    Abstract: This disclosure is directed to uses for a new crystalline molecular sieve designated SSZ-100.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: October 18, 2016
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey Ian Zones, Dan Xie, Cong-Yan Chen, Ann Jia-Bao Liang
  • SYNTHESIS OF BASE OILS AND FUELS FROM FATTY ACIDS
    Publication number: 20160137944
    Abstract: Processes and systems for producing base oils and fuels from fatty acids comprising, in an embodiment, oligomerizing at least one unsaturated fatty acid to provide a mixture of fatty acid oligomers, wherein the mixture of fatty acid oligomers comprises fatty acid trimers and heavier molecules; and hydrotreating the mixture of fatty acid oligomers to provide a product comprising hydrotreated fatty acid oligomers including hydrotreated trimers and heavier molecules, wherein the product has a pour point and other characteristics suitable for use as a base oil, and wherein such processes for base oil production do not require an isomerization step.
    Type: Application
    Filed: November 13, 2014
    Publication date: May 19, 2016
    Applicant: Chevron U.S.A. Inc.
    Inventors: Ann Jia-Bao Liang, Stephen Joseph Miller
  • Molecular sieve SSZ-100
    Patent number: 9272270
    Abstract: A new crystalline molecular sieve designated SSZ-100 is disclosed.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: March 1, 2016
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey Ian Zones, Dan Xie, Cong-Yan Chen, Ann Jia-Bao Liang
  • Method for making molecular sieve SSZ-100
    Patent number: 9259720
    Abstract: A method for making a new crystalline molecular sieve designated SSZ-100 is disclosed.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: February 16, 2016
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey Ian Zones, Dan Xie, Cong-Yan Chen, Ann Jia-Bao Liang
  • MOLECULAR SIEVE SSZ-100
    Publication number: 20150353365
    Abstract: A new crystalline molecular sieve designated SSZ-100 is disclosed.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 10, 2015
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Stacey Ian ZONES, Dan XIE, Cong-Yan CHEN, Ann Jia-Bao LIANG
  • METHOD FOR MAKING MOLECULAR SIEVE SSZ-99
    Publication number: 20150353364
    Abstract: A method for making a new crystalline molecular sieve designated SSZ-99 is disclosed. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 10, 2015
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Stacey Ian ZONES, Dan XIE, Cong-Yan CHEN, Ann Jia-Bao LIANG
  • METHOD FOR MAKING MOLECULAR SIEVE SSZ-100
    Publication number: 20150353366
    Abstract: A method for making a new crystalline molecular sieve designated SSZ-100 is disclosed.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 10, 2015
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Stacey Ian ZONES, Dan XIE, Cong-Yan CHEN, Ann Jia-Bao LIANG
  • PROCESSES USING MOLECULAR SIEVE SSZ-99
    Publication number: 20150353367
    Abstract: This disclosure is directed to uses for a new crystalline molecular sieve designated SSZ-99. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.
    Type: Application
    Filed: February 19, 2015
    Publication date: December 10, 2015
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Stacey Ian ZONES, Dan XIE, Cong-Yan CHEN, Ann Jia-Bao LIANG
  • PROCESSES USING MOLECULAR SIEVE SSZ-100
    Publication number: 20150353368
    Abstract: This disclosure is directed to uses for a new crystalline molecular sieve designated SSZ-100.
    Type: Application
    Filed: February 19, 2015
    Publication date: December 10, 2015
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Stacey Ian ZONES, Dan XIE, Cong-Yan CHEN, Ann Jia-Bao LIANG
  • MOLECULAR SIEVE SSZ-99
    Publication number: 20150352536
    Abstract: A new crystalline molecular sieve designated SSZ-99 is disclosed. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 10, 2015
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Stacey Ian ZONES, Dan XIE, Cong-Yan CHEN, Ann Jia-Bao LIANG
  • Molecular sieve SSZ-99
    Patent number: 9192924
    Abstract: A new crystalline molecular sieve designated SSZ-99 is disclosed. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: November 24, 2015
    Assignee: Chevron U.S.A. Inc.
    Inventors: Stacey Ian Zones, Dan Xie, Cong-Yan Chen, Ann Jia-Bao Liang
  • Method for making molecular sieve SSZ-99
    Patent number: 9193600
    Abstract: A method for making a new crystalline molecular sieve designated SSZ-99 is disclosed. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: November 24, 2015
    Assignee: Chevron U. S. A. Inc.
    Inventors: Stacey Ian Zones, Dan Xie, Cong-Yan Chen, Ann Jia-Bao Liang
  • Process for producing ketones from fatty acids
    Patent number: 9040752
    Abstract: The invention relates to a process for producing ketones or hydrocarbon base oil from fatty acids preferably derived from a biological origin or other renewable source. The process is directed at making an aliphatic ketone or a mixture of aliphatic ketones having 14 to 52 carbon atoms, comprising a ketonization reaction of a fatty acid in a vapor phase with a decarboxylation-coupling catalyst to provide ketones, which can be deoxygenated to give saturated hydrocarbons, unsaturated hydrocarbons, and mixtures thereof. Base oils and transportation fuels may be produced from the process herein.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: May 26, 2015
    Assignee: Chevron U.S.A. Inc.
    Inventors: Sven Ivar Hommeltoft, Ann Jia-Bao Liang
  • PROCESS FOR PRODUCING KETONES FROM FATTYACIDS
    Publication number: 20130324449
    Abstract: The invention relates to a process for producing ketones or hydrocarbon base oil from fatty acids preferably derived from a biological origin or other renewable source. The process is directed at making an aliphatic ketone or a mixture of aliphatic ketones having 14 to 52 carbon atoms, comprising a ketonization reaction of a fatty acid in a vapor phase with a decarboxylation-coupling catalyst to provide ketones, which can be deoxygenated to give saturated hydrocarbons, unsaturated hydrocarbons, and mixtures thereof. Base oils and transportation fuels may be produced from the process herein.
    Type: Application
    Filed: June 1, 2012
    Publication date: December 5, 2013
    Applicant: Chevron U.S.A. Inc.
    Inventors: Sven Ivar Hommeltoft, Ann Jia-Bao Liang
  • Process for the production of para-xylene
    Patent number: 8471083
    Abstract: A reforming process using a medium pore zeolite under conditions to facilitate the conversion of C8 paraffinic compounds to para-xylene is provided. Para-xylene is produced at greater than thermodynamic equilibrium concentrations using the process.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: June 25, 2013
    Assignee: Chevron U.S.A. Inc.
    Inventors: Cong-Yan Chen, Ann Jia-Bao Liang, Stephen Joseph Miller, James Nathan Ziemer
  • PROCESS FOR THE PRODUCTION OF PARA-XYLENE
    Publication number: 20130131413
    Abstract: A reforming process using a medium pore zeolite under conditions to facilitate the conversion of C8 paraffinic compounds to para-xylene is provided. Para-xylene is produced at greater than thermodynamic equilibrium concentrations using the process.
    Type: Application
    Filed: January 11, 2013
    Publication date: May 23, 2013
    Inventors: Cong-Yan Chen, Ann Jia-Bao Liang, Stephen Joseph Miller, James Nathan Ziemer