Patents by Inventor Ming Qiu

Ming Qiu 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: 10519366
    Abstract: Described is a quantum dot film article comprising a quantum dot of a cured thiol-epoxy matrix. The matrix formulations resist ingress from water and/or oxygen, while also providing acceptable color stability upon aging.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: December 31, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Zai-Ming Qiu, Joseph M. Pieper
  • Publication number: 20190382658
    Abstract: Quantum dot compositions comprise quantum dots dispersed in a curable resin composition comprising hindered phenolic antioxidant, wherein the antioxidant comprises about 0.2 wt % to about 5 wt %, based on the total weight of the quantum dot composition.
    Type: Application
    Filed: March 24, 2017
    Publication date: December 19, 2019
    Inventors: Eric W. NELSON, Joseph M. PIEPER, Zai-Ming QIU, James A. THIELEN
  • Publication number: 20190345379
    Abstract: Article comprising particles in an organic polymer matrix comprising a cured thiol-alkene resin having a Tg>20° C., wherein the particles comprise a composite core and a continuous nonmetallic inorganic coating covering the composite core, wherein the composite core comprises a nonmetallic inorganic matrix, ligands, and quantum dots, wherein the nonmetallic inorganic matrix is present in the composite core in an amount of up to 40 volume percent, and wherein the coating has an average thickness up to 5 micrometers. Exemplary articles described herein can be made for use in display applications such as films, LED caps, LED coatings, LED lenses, and light guides. Exemplary articles described herein can be made for use in nondisplay applications such as security applications where quantum dot phosphors are used to provide fluorescence at selected or tailored wavelengths. In such uses, the organic polymer matrix could be a label or a coating on a label, or other articles such as a card or tag.
    Type: Application
    Filed: December 28, 2016
    Publication date: November 14, 2019
    Inventors: Kenton D. BUDD, Zai-Ming QIU, Mahmut AKSIT, Neeraj SHARMA
  • Patent number: 10442897
    Abstract: Described herein is a fluoroalkyl silicone comprising the following formula (I) wherein R1 and R2 are independently selected from an alkyl group or an aryl group; Rf is a perfluoroalkyl group or a Rf?OCHFCF2 group wherein Rf? is a perfluoroalkyl group, and wherein Rf and Rf? optionally comprise at least one catenary heteroatom; X, Y, and Z are independently selected from an alkyl group, a poly(alkylene oxide) group, or a hydrolysable group, wherein at least one of X, Y, and Z is a hydrolysable group; x is an integer of at least 3; y is an integer of at least 2; and m and n are independently at least 1.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: October 15, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Zai-Ming Qiu, Jitendra S. Rathore
  • Publication number: 20190292447
    Abstract: The present disclosure provides a liquid quantum dots composite that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal or quantum dots); a first polyamine ligand and a second polythiol ligand attached to the core/shell nanoparticle outer surface. At least one of the polythiol and polyamine ligands are silicone ligands.
    Type: Application
    Filed: May 11, 2017
    Publication date: September 26, 2019
    Inventors: Zai-Ming QIU, Joseph M. PIEPER
  • Patent number: 10421899
    Abstract: A composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a thiol-substituted silicone ligand.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: September 24, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Zai-Ming Qiu
  • Publication number: 20190218453
    Abstract: Aminosilicones of the following formula are described, which may be used as stabilizing ligands for fluorescent nanoparticles.
    Type: Application
    Filed: September 14, 2017
    Publication date: July 18, 2019
    Inventors: Zai-Ming QIU, Joseph M. PIEPER
  • Publication number: 20190144370
    Abstract: Methods of converting a fluorinated compound into a fluorinated acyl fluoride or derivative thereof, the method including reacting the fluorinated compound with a catalytic amount of at least one transition metal compound and an oxygen-containing compound to form the fluorinated acyl fluoride or derivative thereof. Compounds formed using such methods are also included, including for example <Insert chemical formulas here as they appear in the electronic copy.> and derivatives thereof, or combinations thereof.
    Type: Application
    Filed: December 12, 2016
    Publication date: May 16, 2019
    Inventors: Markus E. Hirschberg, Klaus Hintzer, Zai-Ming Qiu, Gerd-Volker Röschenthaler, Romana Pajkert, Sergey Tverdomed
  • Patent number: 10233387
    Abstract: Described is a quantum dot film article comprising a quantum dot of a cured thiol-alkene-epoxy matrix. The matrix formulations resist ingress from water and/or oxygen, while also providing acceptable color stability upon aging.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: March 19, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Zai-Ming Qiu, Joseph M. Pieper
  • Publication number: 20190016952
    Abstract: Article comprising composite particles in an organic polymer matrix comprising a cured thiol-alkene resin having a Tg>20° C., the composite particles comprising a hydrophobic nonmetallic inorganic matrix, ligands, and quantum dots, wherein the hydrophobic nonmetallic inorganic matrix is present in the composite particles in an amount of up to 40 volume percent. Exemplary articles described herein can be made for use for display applications such as films, LED caps, LED coatings, LED lenses, and light guides. Exemplary articles described herein can be made for use for non-display applications such as security applications where quantum dot phosphors are used to provide fluorescence at selected or tailored wavelengths. In such uses, the organic polymer matrix could be a label or a coating on a label, or other articles such as a card or tag.
    Type: Application
    Filed: December 20, 2016
    Publication date: January 17, 2019
    Inventors: Zai-Ming QIU, Kenton D. BUDD, Mahmut AKSIT, Neeraj SHARMA, Joseph M. PIEPER
  • Publication number: 20180370888
    Abstract: Methods of converting a fluorinated vinyl ether to a saturated partially fluorinated ether, the method comprising: reacting the fluorinated vinyl ether with an amine, ammonia, or combination thereof to form the saturated partially fluorinated ether.
    Type: Application
    Filed: December 20, 2016
    Publication date: December 27, 2018
    Inventors: Markus E. Hirschberg, Klaus Hintzer, Zai-Ming Qiu, Gerd-Volker Röschenthaler, Romana Pajkert, Sergey N. Tverdomed
  • Publication number: 20180319944
    Abstract: Multilayer constructions are provided, for instance including a barrier layer, a sealing layer, and a polymer layer. The barrier layer has a major surface on which the sealing layer is disposed, and the sealing layer includes crosslinked silsesquioxane. The polymer layer includes a crosslinked polymer, and is disposed adjacent to a major surface of the barrier layer opposite from the sealing layer. The multilayer construction may further include additional layers, such as a substrate. Devices are also provided including the multilayer constructions.
    Type: Application
    Filed: November 8, 2016
    Publication date: November 8, 2018
    Inventors: Xue-hua Chen, Jitendra S. Rathore, Weigang Lin, Yongjie Li, Liya Cao, Sonja S. Mackey, Moses M. David, Christopher S. Lyons, Richard J. Pokorny, Paul B. Armstrong, Zai-Ming Qiu, Zuetao Yu
  • Publication number: 20180291226
    Abstract: Multilayer barrier films and methods of making the films are provided. The films include a smooth layer and a barrier layer directly disposed on the smooth layer. In some cases, the smooth layer includes a thiol-ene material as a polymeric matrix material. In some cases, the films have a sandwich structure of barrier layer/smooth layer/substrate/smooth layer/barrier layer.
    Type: Application
    Filed: September 30, 2015
    Publication date: October 11, 2018
    Inventors: Xue-hua Chen, Moses M. David, Zai-Ming Qiu, Garry W. Lachmansingh, William B. Kolb, Sonja S. Mackey, Xiaohai Sheng, Naiyong Jing, Richard J. Pokorny, Christopher S. Lyons, Yongjie Li
  • Patent number: 10093761
    Abstract: Described herein is a composition having a fluoropolymer derived from the polymerization of a monomer and a sulfinate-containing molecule, wherein the sulfinate-containing molecule is selected from the group consisting of Formula (I), Formula (II); and combinations thereof, wherein X1, X2, and X3 are each independently selected from H, F, Cl, a C1 to C4 alkyl group, and a C1 to C4 fluorinated alkyl group; R is a linking group; Z1 and Z2 are independently selected from F, CF3, and a perfluoroalkyl group; R1 and R2 are end-groups; p is 0 or 1; m is at least 1; and M is a cation. Also disclosed are methods of making and articles thereof.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: October 9, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Gregg D. Dahlke, Denis Duchesne, Tatsuo Fukushi, Werner M. Grootaert, Miguel A. Guerra, Harald Kaspar, Larry A. Last, Peter J. Scott, Zai-Ming Qiu
  • Publication number: 20180282617
    Abstract: A quantum dot film article quantum dot layer comprising quantum dots dispersed in a matrix comprising a cured thiol-alkene resin is described.
    Type: Application
    Filed: November 10, 2015
    Publication date: October 4, 2018
    Inventors: Zai-Ming QIU, Joseph M. PIEPER, Eric W. NELSON
  • Publication number: 20180208835
    Abstract: A composite particle comprising a fluorescent core/shell nanoparticle and a perfluoroether ligand bound the surface thereof is described.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 26, 2018
    Inventors: Paul B. Armstrong, Zai-Ming Qiu, Karissa L. Eckert
  • Patent number: 10006165
    Abstract: Fibers, which can be used for making wipes (e.g., antimicrobial wipes), wherein the fibers include a core comprising an aliphatic polyester; and an epoxidized fatty ester having greater than 4.7 wt-% oxirane oxygen, based on the total weight of the epoxidized fatty ester; wherein the epoxidized fatty ester is disposed on the surface of the fiber core.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: June 26, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Yifan Zhang, Zai-Ming Qiu, Liming Song
  • Patent number: 9994740
    Abstract: Novel fluoroalkyl silicones, and use thereof in release coatings, are described. The fluoroalkyl silicones are of the general formula: (I).
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: June 12, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Zai-Ming Qiu, Jitendra S. Rathore
  • Patent number: 9982128
    Abstract: Fibers, which can be used for making wipes (e.g., antimicrobial wipes), wherein the include: an aliphatic polyester; an unreacted epoxidized fatty ester having greater than 4.7 wt-% oxirane oxygen, based on the total weight of the epoxidized fatty ester; wherein the aliphatic polyester and unreacted epoxidized fatty ester form a mixture.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: May 29, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Yifan Zhang, Zai-Ming Qiu, Liming Song, Cordell M. Hardy
  • Patent number: 9982079
    Abstract: Described herein is polymer melt additive composition for use as a processing aid in the extrusion of a non-fluorinated polymer, the polymer melt additive composition comprising a fluorine-containing polymer derived from the polymerization of a monomer and a sulfinate-containing molecule, wherein the sulfinate-containing molecule is selected from the group consisting of: (a) CX1X3?CX2—(R)p—CZ1Z2—SO2M??Formula (I) (b) ?and (c) combinations thereof, wherein X1, X2, and X3 are each independently selected from H, F, Cl, a C1 to C4 alkyl group, and a C1 to C4 fluorinated alkyl group; R is a linking group; Z1 and Z2 are independently selected from F, CF3, and a perfluoroalkyl group; R1 and R2 are end-groups; p is 0 or 1; m is at least 2; and M is a cation.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: May 29, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Claude Lavallée, Gregg D. Dahlke, Denis Duchesne, Tatsuo Fukushi, Werner M. A. Grootaert, Miguel A. Guerra, Zai-Ming Qiu