Patents by Inventor Lubin Luo

Lubin Luo 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).

  • Aluminoxane Catalyst Activators Containing Carbocation Agents, and use thereof in Polyolefin Catalysts
    Publication number: 20130345376
    Abstract: This invention relates to an activator composition comprising (i) an organoaluminum compounds; (ii) a carbocation compound of the formula R1 (X)n; wherein R1 is a hydrocarbyl; n is from 1 to the number of possible substitutions of the hydrocarbyl group and each X is a labile leaving group; and (iii) an aluminoxane. The activator composition may also contain a carrier support. This invention also provides a catalyst composition comprising the activator composition described above and a transition metal component. This invention also provides methods of polymerizing monomer comprising carrying out such polymerization in the presence of one or more catalyst composition according to this invention.
    Type: Application
    Filed: March 8, 2012
    Publication date: December 26, 2013
    Applicant: Albemarle Corporation
    Inventors: Lubin Luo, Xiao Wu, Steven P. Diefenbach
  • Aluminoxane catalyst activators derived from dialkylaluminum cation precursor agents, processes for making same, and use thereof in catalysts and polymerization of olefins
    Patent number: 8575284
    Abstract: Compositions useful for activating catalysts for olefin polymerization, and methods for making same, are provided. Such compositions can be derived from at least: an organoaluminum compound, a carrier, an oxygen source, and, optionally, a Lewis base.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: November 5, 2013
    Assignee: Albemarle Corporation
    Inventors: Lubin Luo, Samuel A. Sangokoya, Xiao Wu, Steven P. Diefenbach, Brian Kneale
  • Activator Compositions, Their Preparation, and Their Use In Catalysis
    Publication number: 20130253155
    Abstract: This invention provides activator precursor compositions and activator compositions. The activator precursor compositions are formed from a support material, an organoaluminum compound, and polyfunctional compounds having at least two aromatic groups in which at least two of said aromatic groups each has at least one polar moiety thereon. The activator compositions are formed from a support material, an organoaluminum compound, an aluminoxane, and a polyfunctional compound having at least two aromatic groups in which at least two of said aromatic groups each has at least one polar moiety thereon. Also provided are catalyst compositions, processes for forming catalyst compositions, and polymerization processes utilizing the catalyst compositions of this invention.
    Type: Application
    Filed: November 14, 2011
    Publication date: September 26, 2013
    Applicant: Albemarie Corporation
    Inventor: Lubin Luo
  • Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins
    Patent number: 8501655
    Abstract: Compositions useful for activating catalysts for olefin polymerization are provided. The compositions are derived from at least carrier having at least two hydrogen bonded hydroxyl groups, organoaluminum compound, Lewis base, and Bronsted acid, wherein the Lewis base and the Bronsted acid form at least one ionic Bronsted acid.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: August 6, 2013
    Assignee: Albemarle Corporation
    Inventors: Lubin Luo, Steven P. Diefenbach
  • Aluminoxane Catalyst Activators Derived From Dialkylalumium Cation Precursor Agents, Processes for Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins
    Publication number: 20130029834
    Abstract: Compositions useful for activating catalysts for olefin polymerization, and methods for making same, are provided. Such compositions can be derived from at least: an organoaluminum compound, a carrier, an oxygen source, and, optionally, a Lewis base.
    Type: Application
    Filed: September 28, 2012
    Publication date: January 31, 2013
    Applicant: ALBEMARLE CORPORATION
    Inventors: Lubin Luo, Samuel A. Sangokoya, Xiao Wu, Steven P. Diefenbach, Brian Kneale
  • Aluminoxane catalyst activators derived from dialkylaluminum cation precursor agents, processes for making same, and use thereof in catalysts and polymerization of olefins
    Patent number: 8354485
    Abstract: Compositions useful for activating catalysts for olefin polymerization, and methods for making same, are provided. Such compositions can be derived from at least: an organoaluminum compound, a carrier, an oxygen source, and, optionally, a Lewis base.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: January 15, 2013
    Assignee: Albemarle Corporation
    Inventors: Lubin Luo, Samuel A. Sangokoya, Xiao Wu, Steven P. Diefenbach, Brian Kneale
  • Ionic bronsted acid
    Patent number: 8088952
    Abstract: A new ionic compound is provided that is derived from N,N-dimethylaniline and pentafluorophenol in amounts such that there are at least 2 equivalents of pentafluorophenol per equivalent of the N,N-dimethylaniline.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: January 3, 2012
    Assignee: Albemarle Corporation
    Inventors: Lubin Luo, Zhike Wang, Steven P. Diefenbach, Xiao Wu
  • Aluminoxane compositions, their preparation, and their use in catalysis
    Patent number: 7960488
    Abstract: Aluminoxane compositions derived from aluminoxane source, halogen source, and Lewis base are provided. Such compositions are useful for activating catalysts for olefin polymerization.
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: June 14, 2011
    Assignee: Albemarle Corporation
    Inventors: Lubin Luo, Samuel A. Sangokoya, Jamie R. Strickler, Steven P. Diefenbach
  • Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins
    Patent number: 7928172
    Abstract: Compositions useful for activating catalysts for olefin polymerization are-provided. The compositions are derived from at least: a) compound derived from at least (i) carrier having at least one pair of hydrogen bonded hydroxyl groups, (ii) organoaluminum compound, and (iii) Lewis base, such that each of a majority of aluminum atoms in the organoaluminum compound forms chemical bonds with at least two oxygen atoms from the at least one pair of hydrogen bonded hydroxyl groups; and b) Bronsted acid, wherein the molar ratio of the Bronsted acid to the organoaluminum compound is less than or equal to about 2:1.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: April 19, 2011
    Assignee: Albemarle Corporation
    Inventors: Lubin Luo, Katherine Wu, Steven P. Diefenbach
  • Single-site catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins
    Patent number: 7923401
    Abstract: Single-site catalyst activator compositions are provided, said activator compositions comprising anion/cation ion pair wherein; (a) the anion comprises a metal atom bonded via hetero atoms to a chelating organic ligand, and (b) the cation comprises a Bronsted acid.
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: April 12, 2011
    Assignee: Albermarle Corporation
    Inventor: Lubin Luo
  • Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins
    Patent number: 7902390
    Abstract: A composition useful for activating catalysts for olefin polymerization Is provided. The composition is derived from at least: carrier; treated organoaluminoxy compound: and ionic compound having at feast one active proton.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: March 8, 2011
    Assignee: Albemarle Corporation
    Inventors: Zhike Wang, Lubin Luo, Steven P. Diefenbach
  • Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins
    Patent number: 7897707
    Abstract: A composition useful for activating catalysts for olefin polymerization is provided. The composition is derived from at least: carrier; organoaluminoxy compound; N,N-dimethylaniline and pentaflurophenol in amounts such that them are at least two equivalents of pentafluorophenol per equivalent of the N,N-dimethylaniline.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: March 1, 2011
    Assignee: Albemarle Corporation
    Inventors: Lubin Luo, Zhike Wang, Steven P. Diefenbach
  • CATALYST ACTIVATORS, PROCESSES FOR MAKING SAME, AND USE THEREOF IN CATALYSTS AND POLYMERIZATION OF OLEFINS
    Publication number: 20100093958
    Abstract: Compositions useful for activating catalysts for olefin polymerization are-provided. The compositions are derived from at least: a) compound derived from at least (i) carrier having at least one pair of hydrogen bonded hydroxyl groups, (ii) organoaluminum compound, and (iii) Lewis base, such that each of a majority of aluminum atoms in the organoaluminum compound forms chemical bonds with at least two oxygen atoms from the at least one pair of hydrogen bonded hydroxyl groups; and b) Bronsted acid, wherein the molar ratio of the Bronsted acid to the organoaluminum compound is less than or equal to about 2:1.
    Type: Application
    Filed: December 4, 2007
    Publication date: April 15, 2010
    Inventors: Lubin Luo, Katherine Wu, Steven P. Diefenbach
  • CATALYST ACTIVATORS, PROCESSES FOR MAKING SAME, AND USE THEREOF IN CATALYSTS AND POLYMERIZATION OF OLEFINS
    Publication number: 20100036072
    Abstract: A composition useful for activating catalysts for olefin polymerization is provided. The composition is derived from at least: carrier; organoaluminoxy compound; N,N-dimethylaniline and pentaflurophenol in amounts such that them are at least two equivalents of pentafluorophenol per equivalent of the N,N-dimefhylaniline.
    Type: Application
    Filed: July 2, 2007
    Publication date: February 11, 2010
    Applicant: Albemarle Corporation
    Inventors: Lubin Luo, Zhike Wang, Steven P. Diefenbach
  • Catalyst Activators, Processes for Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins
    Publication number: 20100029470
    Abstract: Compositions useful for activating catalysts for olefin polymerization are provided. The compositions are derived from at least carrier having at least two hydrogen bonded hydroxyl groups, organoaluminum compound, Lewis base, and Bronsted acid, wherein the Lewis base and the Bronsted acid form at least one ionic Bronsted acid.
    Type: Application
    Filed: September 17, 2007
    Publication date: February 4, 2010
    Applicant: ALBENARLE CORPORATION
    Inventors: Lubin Luo, Steven P. Diefenbach
  • Catalyst Activators, Processes For Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins
    Publication number: 20100010181
    Abstract: A composition useful for activating catalysts for olefin polymerization is provided. The composition is derived from at least; carrier containing water; organoaluminum compound; N,N-dimethylaniline and pentafluorophenol in amounts such that there are at least two equivalents of pentafluorophenol per equivalent of the N,N-dimethylaniline.
    Type: Application
    Filed: September 17, 2007
    Publication date: January 14, 2010
    Applicant: ALBEMARLE CORPORATION
    Inventors: Lubin Luo, Zhike Wang, Steven P. Diefenbach
  • IONIC BRONSTED ACID
    Publication number: 20090326273
    Abstract: A new ionic compound is provided that is derived from N,N-dimethylaniline and pentafluorophenol in amounts such that there are at least 2 equivalents of pentafluorophenol per equivalent of the N,N-dimethylaniline.
    Type: Application
    Filed: July 2, 2007
    Publication date: December 31, 2009
    Applicant: Albemarle Corporation
    Inventors: Lubin Luo, Zhike Wang, Steven P. Diefenbach, Xiao Wu
  • CATALYST ACTIVATORS, PROCESSES FOR MAKING SAME, AND USE THEREOF IN CATALYSTS AND POLYMERIZATION OF OLEFINS
    Publication number: 20090270571
    Abstract: A composition useful for activating catalysts for olefin polymerization Is provided. The composition is derived from at least: carrier; treated organoaluminoxy compound: and ionic compound having at feast one active proton.
    Type: Application
    Filed: July 2, 2007
    Publication date: October 29, 2009
    Applicant: Albemarle Corporation
    Inventors: Zhike Wang, Lubin Luo, Steven P. Diefenbach
  • SINGLE-SITE CATALYST ACTIVATORS, PROCESSES FOR MAKING SAME, AND USE THEREOF IN CATALYSTS AND POLYMERIZATION OF OLEFINS
    Publication number: 20090247398
    Abstract: Single-site catalyst activator compositions are provided, said activator compositions comprising anion/cation ion pair wherein; (a) the anion comprises a metal atom bonded via hetero atoms to a chelating organic ligand, and (b) the cation comprises a Bronsted acid.
    Type: Application
    Filed: May 10, 2007
    Publication date: October 1, 2009
    Applicant: ALBEMARLE CORPORATION
    Inventor: Lubin Luo
  • ALUMINOXANE COMPOSITIONS, THEIR PREPARATION, AND THEIR USE IN CATALYSIS
    Publication number: 20090088541
    Abstract: Aluminoxane compositions derived from aluminoxane source, halogen source, and Lewis base are provided. Such compositions are useful for activating catalysts for olefin polymerization.
    Type: Application
    Filed: May 2, 2007
    Publication date: April 2, 2009
    Applicant: Albemarle Corporation
    Inventors: Lubin Luo, Samuel Sangokoya, Jamie R. Strickler, Steven P. Diefenbach