Patents by Inventor Ann Liang

Ann 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).

  • Silica-Alumina Composite Materials for Hydroprocessing Applications
    Publication number: 20230001383
    Abstract: A silica-alumina based composite material for making hydroprocessing catalysts, is disclosed. The silica-alumina composite material generally comprises at least two silica-aluminas, the first being a modified first silica-alumina, and the second being a second silica-alumina that is unmodified or modified. The first silica-alumina is modified to comprise silica and alumina domains and a silica-alumina interphase. The second silica-alumina may also be modified at the same time or separately to comprise silica and alumina domains and a silica-alumina interphase. The first silica-alumina and the second silica-alumina differ in one or more physical and/or chemical characteristics, e.g., the ratio of silica to alumina, surface area, pore size, pore volume, silica domain size, or alumina domain size. The invention can be used for making catalyst base materials and catalysts useful for upgrading hydrocarbon feedstocks to produce fuels, lubricants, chemicals and other hydrocarbonaceous compositions.
    Type: Application
    Filed: November 4, 2020
    Publication date: January 5, 2023
    Inventors: Ann LIANG, Trenton J. OTTO, Jifei JIA, Ling JIAO, Bao Q. LE, Kaustav CHAUDHURI, Bi-Zeng ZHAN
  • PARTIAL OXIDATION USING MOLECULAR SIEVE SSZ-71
    Publication number: 20060142600
    Abstract: The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
    Type: Application
    Filed: November 2, 2005
    Publication date: June 29, 2006
    Inventors: Cong-Yan Chen, Allen Burton, Ann Liang
  • MOLECULAR SIEVE SSZ-71 COMPOSITION OF MATTER AND SYNTHESIS THEREOF
    Publication number: 20060140841
    Abstract: The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
    Type: Application
    Filed: November 2, 2005
    Publication date: June 29, 2006
    Inventors: Cong-Yan Chen, Allen Burton, Ann Liang
  • Hydrocarbon conversion using molecular sieve SSZ-71
    Publication number: 20060138026
    Abstract: The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
    Type: Application
    Filed: November 2, 2005
    Publication date: June 29, 2006
    Inventors: Cong-Yan Chen, Allen Burton, Ann Liang
  • ACYLATION USING MOLECULAR SIEVE SSZ-71
    Publication number: 20060142618
    Abstract: The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
    Type: Application
    Filed: November 2, 2005
    Publication date: June 29, 2006
    Inventors: Cong-Yan Chen, Allen Burton, Ann Liang
  • REDUCTION OF OXIDES OF NITROGEN IN A GAS STREAM USING MOLECULAR SIEVE SSZ-71
    Publication number: 20060140834
    Abstract: The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
    Type: Application
    Filed: November 2, 2005
    Publication date: June 29, 2006
    Inventors: Cong-Yan Chen, Allen Burton, Ann Liang