Patents by Inventor Yongshang LU

Yongshang LU 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: 20190225834
    Abstract: Provided compositions, films, and methods impart a low-surface energy surface to a polyurethane layer whereby contaminants to bead up on the surface to dramatically facilitate removal. At the same time, the provided articles retain excellent clarity and processibility for use in surface protection applications. Compositions having these advantageous properties derive from reacting a primary polyisocyanate; a monohydroxyl polydimethylsiloxane present in a suitable amount; and a polyol selected from the group consisting of: a caprolactone polyol, polycarbonate polyol, a polyester polyol, acrylic polyol, polyether polyol, polyolefin polyol, and mixtures thereof.
    Type: Application
    Filed: March 29, 2019
    Publication date: July 25, 2019
    Inventors: Charlie C. Ho, Yongshang Lu, Vijay Rajamani
  • Patent number: 10351653
    Abstract: A method of making a silyl-terminated polyurethane in an aqueous dispersion aqueous silyl-terminated polyurethane dispersions are described. In one embodiment, the polyurethane comprises a) urethane moieties derived from the reaction of a (i) a diol; (ii) a neutralized anionic water solubilizing compound; and iii) a diisocyanate. The polyurethane also comprises b) silyl terminal groups derived from an alkoxy silane compound having the formula (R3O)3SiR4—Z, wherein R3 is independently hydrogen or a C1-C4 alkyl; R4 is a divalent group selected from alkylene, alkylarylene, oxyalkylene; and Z is selected from the group consisting of —OH, —SH, —NR, —NH2, wherein R is an aromatic or aliphatic cyclic group. The polyurethane also comprises c) urea moieties derived from the reaction of an isocyanate terminated prepolymer and a difunctional hydrazine or hydrazide compound.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: July 16, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Yongshang Lu, Jon P. Nietfeld, Susan M. Endle, Richard G. Hansen, Suresh Iyer
  • Publication number: 20190194377
    Abstract: Hydrophobic polyurethane polymers which may be useful in making synthetic leathers comprising at least two immediately consecutive repeating units according to Formula I: (—OC(O)N—)nA-NC(O)O-L(M)-??(I) wherein n is 1 or 2, A represents the residue of an organic di- or tri-isocyanate compound, L represents a hydrocarbon group that optionally contains one or more catenary or non-catenary hetero-atoms, and M represents an oligomer comprising 2-12 (meth)acrylate units. The polyurethane polymers may additionally comprise end group(s) according to the formula -L?M wherein L? represents a hydrocarbon group that may contain one or more catenary or non-catenary hetero-atoms. In some embodiments, M is according to Formula III: wherein Q is hydrogen or methyl, p is an integer between 2 and 12 inclusive, and Z is a hydrocarbon group which may optionally be substituted.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Inventors: Walter E. Partlo, Chetan P. Jariwala, Yongshang Lu, Michael T. Hayes
  • Patent number: 10308753
    Abstract: An ionic diol has formula wherein R1 represents an alkyl group having from 6 to 18 carbon atoms; R2 and R3 independently represent alkyl groups having from 1 to 4 carbon atoms; R4 represents an alkylene group having from 2 to 8 carbon atoms; and R5 represents an alkylene group having from 1 to 8 carbon atoms. Antistatic polymers are formed by copolymerization of monomers including a diisocyanate, an ionic diol, a polyether diol, and at least one non-ionic diols. Methods of making the antistatic polyurethanes are also disclosed.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: June 4, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Yu Yang, Jason M. Kehren, Yongshang Lu, Suresh S. Iyer, William M. Lamanna, Thomas P. Klun, Jeffrey A. Peterson
  • Patent number: 10301418
    Abstract: A pressure sensitive adhesive composition includes a polyurethane polymer that includes the reaction product of a polyisocyanate component and a polyol component. The polyol component has a total solubility parameter ranging from 10 to 14 (cal/cm3)1/2.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 28, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yongshang Lu, Zhong Chen, Jingjing Ma, Charlie C. Ho
  • Patent number: 10287453
    Abstract: Provided compositions, films, and methods impart a low-surface energy surface to a polyurethane layer whereby contaminants to bead up on the surface to dramatically facilitate removal. At the same time, the provided articles retain excellent clarity and processibility for use in surface protection applications. Compositions having these advantageous properties derive from reacting a primary polyisocyanate; a monohydroxyl polydimethylsiloxane present in a suitable amount; and a polyol selected from the group consisting of: a caprolactone polyol, polycarbonate polyol, a polyester polyol, acrylic polyol, polyether polyol, polyolefin polyol, and mixtures thereof.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: May 14, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Charlie C. Ho, Yongshang Lu, Vijay Rajamani
  • Patent number: 10241237
    Abstract: An anti-fog coating composition is described comprising an aqueous polymeric dispersion; a crosslinker, and a surfactant. The dried and cured coating composition does not exhibit fogging within 8 seconds after being soaked in 25° C. water for 1 hour. In favored embodiments, the dried and cured coating composition does not exhibit fogging within 60 seconds after being soaked in 50° C. water for 24 hours. Also described are articles comprising the dried and cured coating composition disposed on a substrate as well as a method a providing an anti-fog coating on a substrate.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: March 26, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Yongshang Lu, Dang Xie, Zhigang Yu, John L. Battiste, Alan L. Levin, Caroline M. Ylitalo, Mahfuza B. Ali
  • Patent number: 10213993
    Abstract: Described herein is composite article comprising a substrate; and on at least one face of the substrate a multilayered coating disposed thereon.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: February 26, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Kui Chen-Ho, Caroline M. Ylitalo, Yu Yang, Yongshang Lu, Alan L. Levin, Hyacinth L. Lechuga, Steven H. Kong, Suresh S. Iyer, Ingrid N. Haugan, Mahfuza B. Ali
  • Patent number: 10160864
    Abstract: Provided are one-part, shelf-stable polyurethane aerosol compositions, and related articles and methods. When sprayed onto a substrate and dried, these compositions provide polyurethane films. These polyurethane films display improved moisture resistance, optical clarity, and weatherability compared to known aerosol compositions, particularly in adverse environmental conditions. The compositions generally include an aqueous polyurethane dispersion containing a urethane moiety obtained by reacting (i) a polyol or thiol having isocyanate-reactive functional groups, (ii) a neutralized water-solubilizing compound, and (iii) a diisocyanate and optionally a silane terminal group; a propellant; and optionally one or more additives.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: December 25, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Susan M. Endle, Jon P. Nietfeld, Yongshang Lu, Richard G. Hansen, Suresh S. Iyer
  • Publication number: 20180346774
    Abstract: A pressure sensitive adhesive composition includes a polyurethane polymer that includes the reaction product of an aliphatic polyisocyanate component, a polyol component, and a functional acid containing compound. The polyol component has a total solubility parameter ranging from 10 to 14 (cal/cm3)1/2.
    Type: Application
    Filed: January 14, 2016
    Publication date: December 6, 2018
    Inventors: Zhong Chen, Yongshang Lu, Jingjing Ma, Jonathan J. Anderson
  • Patent number: 10048408
    Abstract: Coating compositions are described comprising an aqueous polymeric dispersion; a crosslinker; and an acid or salt of a polyalkylene oxide. Also described are articles comprising the dried and cured coating composition disposed on a substrate as well as a method a providing an anti-fog coating on a substrate.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: August 14, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Yongshang Lu, Naiyong Jing, Dang Xie, Zhigang Yu, Caroline M. Ylitalo, Mahfuza B. Ali, Alexander J. Kugel, Steven P. Swanson
  • Patent number: 9976065
    Abstract: There is provided an adhesive composition comprising at least 50 wt % of an aqueous dispersion of an amorphous polyurethane having a Tg below 25° C.; and a water dispersible cross-linker, where the adhesive composition has a peel retention of greater than or equal to 5% according to the Water/IPA Exposure Test.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: May 22, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jingjing Ma, Mary M. Caruso Dailey, Dmitri D. Iarikov, Alexander J. Kugel, Yongshang Lu, Christopher B. Walker, Jr.
  • Patent number: 9960389
    Abstract: Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index n1; and particles having a refractive index n2 uniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein n1 is different than n2.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: May 1, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Encai Hao, Zhaohui Yang, Albert I. Everaerts, Yongshang Lu, William Blake Kolb, Keith R. Bruesewitz
  • Publication number: 20180044559
    Abstract: Compositions are provided that include a coating and porous polymeric particles disposed in the coating. Adhesive articles are also provided including a substrate and a composition disposed on a first major surface of the substrate. The composition includes an adhesive and porous polymeric particles disposed in the adhesive. Further, a method of coating a substrate is provided including providing a composition, providing a substrate having a surface, and applying the composition on the surface of the substrate. The compositions and adhesive articles can be applied to wet substrates or dry substrates.
    Type: Application
    Filed: February 22, 2016
    Publication date: February 15, 2018
    Inventors: Mary M. Caruso Dailey, Ying Lin, John C. Hulteen, Ibrahim A. El Hedok, Hassan Sahouani, Yongshang Lu
  • Publication number: 20180010024
    Abstract: A pressure sensitive adhesive composition includes a polyurethane polymer that includes the reaction product of a polyisocyanate component and a polyol component. The polyol component has a total solubility parameter ranging from 10 to 14 (cal/cm3)1/2.
    Type: Application
    Filed: January 14, 2016
    Publication date: January 11, 2018
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yongshang Lu, Zhong Chen, Jingjing Ma, Charlie C. Ho
  • Publication number: 20170362374
    Abstract: A crosslinkable composition is provided including an asymmetric isocyanate, a polyther polyol, and a crosslinker. Polyurethane pressure-sensitive adhesives, articles, and solutions are also provided. The polyurethane pressure-sensitive adhesives have advantageous adhesive properties, low glass transition temperatures, and cohesion following thermal cycling.
    Type: Application
    Filed: December 4, 2015
    Publication date: December 21, 2017
    Applicant: 3M Innovative Properties Company
    Inventors: Yongshang LU, Charlie Chia-Tie HO
  • Publication number: 20170355805
    Abstract: An ionic diol has formula wherein R1 represents an alkyl group having from 6 to 18 carbon atoms; R2 and R3 independently represent alkyl groups having from 1 to 4 carbon atoms; R4 represents an alkylene group having from 2 to 8 carbon atoms; and R5 represents an alkylene group having from 1 to 8 carbon atoms. Antistatic polymers are formed by copolymerization of monomers including a diisocyanate, an ionic diol, a polyether diol, and at least one non-ionic diols. Methods of making the antistatic polyurethanes are also disclosed.
    Type: Application
    Filed: December 8, 2015
    Publication date: December 14, 2017
    Inventors: Yu Yang, Jason M. Kehren, Yongshang Lu, Suresh S. Iyer, William M. Lamanna, Thomas P. Klun, Jeffrey A. Peterson
  • Patent number: 9783699
    Abstract: Intermediate laminates and articles comprising a low adhesion backsize coating are described. The laminate comprises a substrate having a major surface and opposing surface and a coating comprising a block copolymer disposed on a major surface of the substrate wherein the block copolymer comprises a polyorganosiloxane block and a polyolefin block, the polyolefin block having a melt point of at least 110° C. Also described are medical dressings comprising such laminate.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: October 10, 2017
    Assignee: 3M INNOVATIVE PROPERTIES CO.
    Inventors: Shilpi K. Sanghi, Yu Yang, Suresh S. Iyer, Yongshang Lu
  • Publication number: 20170247587
    Abstract: There is provided an adhesive composition comprising at least 50 wt % of an aqueous dispersion of an amorphous polyurethane having a Tg below 25° C.; and a water dispersible cross-linker, where the adhesive composition has a peel retention of greater than or equal to 5% according to the Water/IPA Exposure Test.
    Type: Application
    Filed: June 5, 2015
    Publication date: August 31, 2017
    Inventors: Jingjing Ma, Mary M. Caruso Dailey, Dmitri D. Iarikov, Alexander J. Kugel, Yongshang Lu, Christopher B. Walker, Jr.
  • Publication number: 20170198150
    Abstract: Provided are one-part, shelf-stable polyurethane aerosol compositions, and related articles and methods. When sprayed onto a substrate and dried, these compositions provide polyurethane films. These polyurethane films display improved moisture resistance, optical clarity, and weatherability compared to known aerosol compositions, particularly in adverse environmental conditions. The compositions generally include an aqueous polyurethane dispersion containing a urethane moiety obtained by reacting (i) a polyol or thiol having isocyanate-reactive functional groups, (ii) a neutralized water-solubilizing compound, and (iii) a diisocyanate and optionally a silane terminal group; a propellant; and optionally one or more additives.
    Type: Application
    Filed: June 15, 2015
    Publication date: July 13, 2017
    Inventors: Susan M. ENDLE, Jon P. NIETFELD, Yongshang LU, Richard G. HANSEN, Suresh S. IYER