Patents by Inventor Xuan Ye

Xuan Ye 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: 20180234235
    Abstract: A method for generating a terminal key includes calling a terminal key generation instruction through an interface provided by the driver, generating the terminal key in response to the terminal key generation instruction, and deleting the driver from the terminal when the terminal key has been successfully generated.
    Type: Application
    Filed: April 11, 2018
    Publication date: August 16, 2018
    Inventors: Xuan YE, Wenzhu LUO
  • Patent number: 10020562
    Abstract: An antenna structure includes a metal housing, a first feed source, and a first switching circuit. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a first gap and a second gap. The metal housing is divided into at least a first branch and a second branch by the slot, the first gap, and the second gap. The first feed source is electrically connected to the first branch. One end of the first switching circuit is electrically connected to the first branch. Another end of the first switching circuit is grounded.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: July 10, 2018
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cheng-Han Lee, Yi-Wen Hsu, Wei-Xuan Ye
  • Publication number: 20180171040
    Abstract: This invention relates to a catalyst system comprising fluorided silica, alkylalumoxane activator and at least two metallocene catalyst compounds, where the first metallocene is a bridged monocyclopentadienyl group 4 transition metal compound and the second metallocene is a biscyclopentadientyl group 4 transition metal compound, where the fluorided support has not been calcined at a temperature of 400° C. or more, and is preferably produced using a west mixing method, such as an aqueous method.
    Type: Application
    Filed: March 10, 2016
    Publication date: June 21, 2018
    Inventors: Xuan YE, Matthew W. HOLTCAMP, Lubin LUO, Laughlin G. McCULLOUGH, Gregory S. DAY, Francis C. RIX, Jo Ann M. CANICH, David F. SANDERS, Matthew S. BEDOYA
  • Patent number: 10000593
    Abstract: A catalyst system including the reaction product of a fluorided support, an activator, and at least a first transition metal catalyst compound; methods of making such catalyst systems, polymerization processes using such catalyst systems, and polymers made therefrom.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 19, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Xuan Ye, Crisita Carmen H. Atienza, Matthew W. Holtcamp, David F. Sanders, Gregory S. Day, Michelle E. Titone, David A. Cano, Matthew S. Bedoya
  • Publication number: 20180162973
    Abstract: This invention relates to a process to polymerize olefins, particularly to produce ethylene polymers with internal unsaturation structures.
    Type: Application
    Filed: February 12, 2018
    Publication date: June 14, 2018
    Inventors: Matthew W. Holtcamp, Matthew S. Bedoya, Xuan Ye, David F. Sanders, Gregory S. Day, Sarah J. Mattler
  • Patent number: 9994657
    Abstract: This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a bisphenolate compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 12, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, Matthew W. Holtcamp, Xuan Ye, Gregory S. Day, David A. Cano, Michelle E. Titone, Machteld M. W. Mertens, Gerardo J. Majano Sanchez
  • Patent number: 9994658
    Abstract: This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a bisphenolate compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 12, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, Matthew W. Holtcamp, Xuan Ye, Gregory S. Day, David A. Cano, Machteld M. W. Mertens, Gerardo J. Majano Sanchez, Rohan A. Hule
  • Patent number: 9988410
    Abstract: This invention relates to novel bridged bis indenyl metallocene catalyst compounds where the bridge is —((R15*)2Si—Si(R15)2)— wherein, each R15 and R15* is identical or different and is a substituted or unsubstituted, branched or unbranched C1-C20 alkyl group, preferably each R15 together do not form a ring, and/or each R15* together do not form a ring, and/or R15 and R15* together do not form a ring. This invention also relates to polymerization processes to produce polymer and to polymer compositions produced by the methods described.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: June 5, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jian Yang, Matthew W. Holtcamp, Gregory S. Day, Xiongdong Lian, Xuan Ye
  • Patent number: 9982076
    Abstract: A catalyst system including the reaction product of a fluorided support, an activator, and at least a first transition metal catalyst compound; methods of making such catalyst systems, polymerization processes using such catalyst systems, and polymers made therefrom.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: May 29, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Xuan Ye, Crisita Carmen H. Atienza, Matthew W. Holtcamp, David F. Sanders, Gregory S. Day, Michelle E. Titone, David A. Cano, Matthew S. Bedoya
  • Publication number: 20180134828
    Abstract: This invention relates to ethylene polymers obtained using a catalyst system comprising fluorided silica, alkylalumoxane activator and at least two metallocene catalyst compounds (a bridged monocyclopentadienyl group 4 transition metal compound and a biscyclopentadientyl group 4 transition metal compound), where the fluorided support has not been calcined at a temperature of 400° C. or more, and is preferably produced using a wet mixing method, such as an aqueous method. The ethylene polymers have: 1) at least 50 mol % ethylene; 2) a reversed comonomer index, mol %, (RCI,m) of 85 or more; 3) a Comonomer Distribution Ratio-2 (CDR-2,m) of the percent comonomer at the z average molecular weight divided by the percent comonomer at the weight average molecular weight plus the number average molecular weight divided by 2 ([% comonomer at Mz]/[% comonomer at ((Mw+Mn)/2)] as determined by GPC of 2.3 or more; and 4) a density of 0.91 g/cc or more.
    Type: Application
    Filed: April 19, 2016
    Publication date: May 17, 2018
    Inventors: Antonios K. DOUFAS, David F. SANDERS, Matthew W. HOLTCAMP, Xuan YE, Alexander I. NORMAN, Rohan A. HULE, Hasnain RANGWALLA
  • Publication number: 20180118860
    Abstract: This invention relates to a supported catalyst system and process for use thereof. In particular, the catalyst system includes a pyridyldiamido transition metal complex, a metallocene compound, a support material and, optionally, an activator. The catalyst system may be used for preparing multi-modal polyolefins.
    Type: Application
    Filed: March 10, 2016
    Publication date: May 3, 2018
    Inventors: Xuan YE, John R. HAGADORN, Matthew W. HOLTCAMP, Gregory S. DAY, David F. SANDERS, Carlos R. LOPEZ-BARRON
  • Publication number: 20180086859
    Abstract: This invention relates to a supported catalyst system and process for use thereof. In particular, the catalyst system includes a pyridyldiamido transition metal complex, an activator and a support material. The catalyst system may be used for preparing ultrahigh molecular weight polyolefins.
    Type: Application
    Filed: March 10, 2016
    Publication date: March 29, 2018
    Inventors: Xuan Ye, John R. Hagadorn, Matthew W. Holtcamp, Gregory S. Day, David F. Sanders
  • Patent number: 9926396
    Abstract: This invention relates to a process to polymerize olefins, particularly to produce ethylene polymers with internal unsaturation structures.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: March 27, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Matthew S. Bedoya, Xuan Ye, David F. Sanders, Gregory S. Day, Sarah J. Mattler
  • Publication number: 20180072823
    Abstract: This invention relates to a catalyst system including fluorided silica, alkylalumoxane activator and a bridged monocyclopentadienyl group 4 transition metal compound, where the fluorided support has not been calcined at a temperature of 400° C. or more, and is preferably, produced using a wet mix method, particularly an aqueous method.
    Type: Application
    Filed: March 10, 2016
    Publication date: March 15, 2018
    Inventors: Xuan Ye, Matthew W. Holtcamp, Laughlin G. McCullough, Jo Ann M. Canich, David F. Sanders, Gregory S. Day, Michelle E. Titone
  • Publication number: 20180026348
    Abstract: An antenna structure includes a metal housing, a first feed source, a first ground portion, and a first switching circuit. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a first gap and a second gap. The metal housing is divided into at least a first portion by the slot, the first gap, and the second gap. The first feed source is electrically connected to the first portion for supplying current to the first portion. The first ground portion is electrically connected to the first portion for grounding the first portion. One end of the first switching circuit is electrically connected to the first portion. Another end of the first switching circuit is grounded.
    Type: Application
    Filed: July 17, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • Publication number: 20180026347
    Abstract: An antenna structure includes a metal housing, a switching circuit, and a first feed source. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a groove. A first portion of the front frame positioned at a first side of the groove forms a first branch. A second portion of the front frame extending from a second side of the groove to one end of the slot forms a second branch. The first feed source is electrically connected to the first branch and the second branch, and the first branch is grounded through the switching circuit.
    Type: Application
    Filed: July 17, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • Publication number: 20180026343
    Abstract: An antenna structure includes a metal housing, a first feed source, and a second feed source. The metal housing includes a front frame, a backboard, and a side frame. The side frame is positioned between the front frame and the backboard. The side frame defines a slot and the front frame defines a gap. The gap communicates with the slot and extends across the front frame. The metal housing is divided into at least a long portion and a short portion by the slot and the gap. The first feed source is electrically connected to the long portion and the second feed source is electrically connected to the short portion.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • Publication number: 20180026370
    Abstract: An antenna structure includes a metallic member and a first feed source. The metallic member includes a front frame, a backboard, and a side frame. The side frame is positioned between the front frame and the backboard. The first feed source is electrically connected to the front frame. The side frame includes at least a top portion, a first side portion, and a second side portion. The first side portion and the second side portion are respectively connected to two ends of the top portion. The side frame defines a slot and the slot is defined on the top portion. The front frame defines a gap. The gap communicates with the slot and extends across the front frame.
    Type: Application
    Filed: June 18, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • Publication number: 20180026345
    Abstract: An antenna structure includes a metal housing, a first feed source, and a first radiator. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a gap. The metal housing is divided into at least a long portion and a short portion by the slot and the gap. The first radiator is positioned in the housing and includes a first radiating portion and a second radiating portion. One end of the first radiating portion is electrically connected to the first feed source and another end of the first radiating portion is spaced apart from the long portion. One end of the second radiating portion is electrically connected to the first feed source and another end of the second radiating portion is electrically connected to the short portion.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • Publication number: 20180026360
    Abstract: An antenna structure includes a metallic member, a first radiator, and an isolating portion. The metallic member includes a front frame, a backboard, and a side frame. The side frame includes at least a top portion, a first side portion, and a second side portion. The isolating portion is electrically connected to the first radiator. The side frame defines a slot and the slot is defined on the top portion. The front frame defines a gap. The gap communicates with the slot and extends across the front frame. The first portion of the front frame from a first side of the gap to a first end of the slot forms a short portion. The first radiator is positioned adjacent to the short portion and the isolation portion improves isolation between the short portion and the first radiator.
    Type: Application
    Filed: June 18, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE