Patents by Inventor Qichun Wan

Qichun Wan 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: 11820111
    Abstract: A tile comprising the following components: A) a first film formed from a first composition comprising the following: i) a functionalized olefin-based polymer comprising one or more chemical groups selected from the following: a) a carboxylic acid, and/or b) an anhydride, and, optionally, c) an amino or an amine; and ii) a functionalized styrenic block copolymer, comprising, in polymerized form, styrene, and ethylene and/or at least one alpha-olefin, and comprising one or more chemical groups selected from the following: a) a carboxylic acid, and/or b) an anhydride; and B) a substrate comprising at least one layer formed from a second composition comprising a propylene-based polymer; and wherein the first film covers at least one surface of the substrate.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: November 21, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Susan G. Brown, Qichun Wan, Ronald J. Weeks, Mark T. Jablonka, Rennisha R. Wickham, Colin LiPiShan, Miguel Alberto de Jesus Prieto
  • Publication number: 20230094316
    Abstract: Provided is a composition comprising one or more multifunctional isocyanate compounds and one or more polyols having a specified structure. Also provided is a method of adhering a first substrate to a second substrate to form an assembled article, wherein the method comprises the steps of applying a layer of the composition to a first surface of the first substrate and then bringing the layer of the composition into contact with a first surface of the second substrate. Also provided is an assembled article made by that method.
    Type: Application
    Filed: April 23, 2021
    Publication date: March 30, 2023
    Inventors: Yinzhong Guo, Brian Dorvel, Jingwei Fan, Qichun Wan, Tuoqi Li
  • Patent number: 10952936
    Abstract: Provided is a concentrated emulsion and personal care compositions containing the concentrated emulsion. The emulsion comprises: (a) from 60 to 95 wt %, based on the total weight of the emulsion, of an internal phase comprising: (i) a low density polyolefin with a density equal to or below 0.90 g/cm3, and (ii) a cosmetically acceptable solvent; (b) from 0.1 to 30 wt %, based on the total weight of the emulsion, of a surfactant; and (c) balance water as a continuous phase.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: March 23, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Ying O'Connor, David L. Malotky, Qichun Wan, Rosalind Toth, Jodi A. Thomas, Dale C. Schmidt
  • Publication number: 20210002404
    Abstract: The present invention provides resins that can be used as a tie layer in a multilayer structure and to multilayer structures comprising one or more tie layers formed from such resins. In one aspect, a resin for use as a tie layer in a multilayer structure comprises a maleic anhydride grafted polyolefin, and an inorganic Brønsted acid catalyst. In some aspects, the inorganic Brønsted acid catalyst comprises sodium bisulfate, monosodium phosphate, disodium phosphate, phosphoric acid, or combinations thereof.
    Type: Application
    Filed: March 7, 2019
    Publication date: January 7, 2021
    Inventors: Brian W. Walther, Rebecca Putans, Qichun Wan, Yongfu Li, Rachel E. M. Brooner, Matthew T. Bishop, Yong Zheng
  • Publication number: 20200316924
    Abstract: A tile comprising the following components: A) a first film formed from a first composition comprising the following: i) a functionalized olefin-based polymer comprising one or more chemical groups selected from the following: a) a carboxylic acid, and/or b) an anhydride, and, optionally, c) an amino or an amine; and ii) a functionalized styrenic block copolymer, comprising, in polymerized form, styrene, and ethylene and/or at least one alpha-olefin, and comprising one or more chemical groups selected from the following: a) a carboxylic acid, and/or b) an anhydride; and B) a substrate comprising at least one layer formed from a second composition comprising a propylene-based polymer; and wherein the first film covers at least one surface of the substrate.
    Type: Application
    Filed: October 23, 2018
    Publication date: October 8, 2020
    Inventors: Susan G. Brown, Qichun Wan, Ronald J. Weeks, Mark T. Jablonka, Rennisha R. Wickman, Colin LiPiShan, Miguel Alberto de Jesus Prieto
  • Patent number: 10767082
    Abstract: Polymer compositions for UV curable primer formulations, as described herein. The primer formulations contain a modifier selected from the following: at least one modifier selected from a) through d) below: a) R1R2C?CR3-(CO)—Z (Formula A), as described herein, b) an acrylate-containing oligomer that has a Mn?1500 g/mol, and an acid value from 50 to 500 mg KOH/g; c) a random terpolymer comprising, in polymerized form, vinyl chloride, vinyl acetate, and at least one of the following: a hydroxyl-containing alkyl acrylate, a hydroxyl-containing alkyl meth-acrylate, or a combination thereof or d) any combination of a) through c). Such primer formulations are useful for the binding of olefin-based polymer foams.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: September 8, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Haiyang Yu, Qichun Wan, Yongchun Chen, Shaoguang Feng
  • Publication number: 20200149674
    Abstract: The present invention relates to a method of coating a pipeline field joint comprising the steps of (1) applying a layer of a first coating material comprising a substantially linear ethylene polymer, a linear ethylene polymer, or an olefin block copolymer to the uncoated region of the field joint and (2) subsequently applying a layer of a second coating material comprising a polyurethane, an epoxy, or a cross linked polyethylene to the field joint.
    Type: Application
    Filed: April 17, 2018
    Publication date: May 14, 2020
    Inventors: Rujul M. Mehta, Mark W. Brown, II, Amanda M. Goodman, Bhawesh Kumar, Qichun Wan
  • Publication number: 20200087550
    Abstract: The present disclosure provides an article. The article includes an adhesive layer with two opposing surfaces. The adhesive layer includes (i) a functionalized ethylene-based polymer having a melt index from 0.1 g/10 min to 300 g/10 min; (ii) from 0.01 wt % to 45 wt % of a functionalized hydrocarbon; (iii) a tackifier; and (iv) optionally, a crosslinking agent.
    Type: Application
    Filed: April 27, 2018
    Publication date: March 19, 2020
    Inventors: Chun Liu, Qichun Wan, Colin LiPiShan, Lena T. Nguyen, Kyle D. Anderson
  • Publication number: 20200024486
    Abstract: Polymer compositions for UV curable primer formulations, as described herein. The primer formulations contain a modifier selected from the following: at least one modifier selected from a) through d) below: a) R1R2C?CR3-(CO)—Z (Formula A), as described herein, b) an acrylate-containing oligomer that has a Mn?1500 g/mol, and an acid value from 50 to 500 mg KOH/g; c) a random terpolymer comprising, in polymerized form, vinyl chloride, vinyl acetate, and at least one of the following: a hydroxyl-containing alkyl acrylate, a hydroxyl-containing alkyl meth-acrylate, or a combination thereof or d) any combination of a) through c). Such primer formulations are useful for the binding of olefin-based polymer foams.
    Type: Application
    Filed: September 29, 2016
    Publication date: January 23, 2020
    Inventors: Haiyang Yu, Qichun Wan, Yong Chun Chen, Shaoguang Feng
  • Patent number: 10414942
    Abstract: The present disclosure provides a primer composition. In an embodiment, the primer composition includes a functionalized polyolefin, a functionalized styrenic block copolymer containing greater than or equal to 20 wt % polymerized styrene, a solvent composition and an isocyanate component. The primer composition is suitable for use as an adhesive layer between a substrate and a polyolefin layer.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: September 17, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Qichun Wan, Stephanie K. Anderson, Patricia A. Peart, Kyle D. Anderson, Yongfu Li, Colin LiPiShan
  • Publication number: 20190269599
    Abstract: The present invention provides personal care formulations containing silane functionalized polyolefins and having improved sensory feel, as well as being non-tacky and easily spreadable on skin. The present invention also provides a method for treating the body by applying the aforesaid personal care formulations externally to the body. The present invention also provides a method for improving the sensory feel of personal care formulations by including silane functionalized polyolefins in the formulations.
    Type: Application
    Filed: April 15, 2019
    Publication date: September 5, 2019
    Inventors: Thomas P. Clark, Vivek Kalihari, Nahrain E. Kamber, John W. Kramer, Xiaodong Lu, Ying O'Connor, Thomas H. Peterson, Curtis Schwartz, Qichun Wan
  • Publication number: 20190038527
    Abstract: Provided is a concentrated emulsion and personal care compositions containing the concentrated emulsion. The emulsion comprises: (a) from 60 to 95 wt %, based on the total weight of the emulsion, of an internal phase comprising: (i) a low density polyolefin with a density equal to or below 0.90 g/cm3, and (ii) a cosmetically acceptable solvent; (b) from 0.1 to 30 wt %, based on the total weight of the emulsion, of a surfactant; and (c) balance water as a continuous phase.
    Type: Application
    Filed: November 14, 2016
    Publication date: February 7, 2019
    Applicants: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Ying O'CONNOR, David L. MALOTKY, Qichun WAN, Rosalind TOTH, Jodi A. THOMAS, Dale C. SCHMIDT
  • Publication number: 20180187040
    Abstract: The present disclosure provides a primer composition. In an embodiment, the primer composition includes a functionalized polyolefin, a functionalized styrenic block copolymer containing greater than or equal to 20 wt % polymerized styrene, a solvent composition and an isocyanate component. The primer composition is suitable for use as an adhesive layer between a substrate and a polyolefin layer.
    Type: Application
    Filed: May 26, 2016
    Publication date: July 5, 2018
    Inventors: Qichun Wan, Stephanie K. Anderson, Patricia A. Peart, Kyle D. Anderson, Yongfu Li, Colin LiPiShan
  • Patent number: 9999586
    Abstract: The present invention provides personal care formulations containing silicone modified polyolefins and having improved sensory feel, as well as being non-tacky and easily spreadable. The present invention also provides a method for treating body surfaces such as skin, hair, nails, etc., by applying the aforesaid personal care formulations externally to such a surface. The present invention also provides a method for improving the sensory feel of personal care formulations by including one or more silicone modified polyolefins in the formulations.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: June 19, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Thomas P. Clark, Vivek Kalihari, Nahrain E. Kamber, John W. Kramer, Xiaodong Lu, Ying O'connor, Thomas H. Peterson, Curtis Schwartz, Qichun Wan
  • Patent number: 9872820
    Abstract: Described are personal care, preferably skin care compositions, comprising polyolefin blends comprising at least one metallocene catalyzed polyolefin with a density above 0.90 g/cm3, at least one metallocene catalyzed polyolefin with a density equal to or below 0.90 g/cm3, provided that the average melt index for the polyolefin blend is greater than 7; and a cosmetically acceptable hydrocarbon oil, provided that the composition does not contain ethylene acrylic copolymer.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: January 23, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Ying O'Connor, Curtis Schwartz, Qichun Wan, Thomas H. Peterson, Thomas P. Clark, John W. Kramer
  • Publication number: 20170014328
    Abstract: Provided are hair care compositions comprising: (a) a polyolefin oil blend comprising (i) at least one metallocene catalyzed polyolefin with a density above 0.90 g/cm3, (ii) at least one metallocene catalyzed polyolefin with a density equal to or below 0.90 g/cm3, and (iii) a cosmetically acceptable hydrocarbon oil; (b) a thickener; and (c) a humectant; wherein the high and low density polyolefins have an average melt index greater than 7, wherein the polyolefin blend is present in a range of from 0.1 to 1.4 weight % by weight of the composition, and wherein the composition is substantially free of ethylene-acrylic acid copolymer.
    Type: Application
    Filed: March 5, 2015
    Publication date: January 19, 2017
    Inventors: Thomas P. CLARK, Kinjalbahen JOSHI, Kathleen KELLER, John W. KRAMER, Ying O'CONNER, Thomas H. PETERSON, Curtis SCHWARTZ, Qichun WAN
  • Patent number: 9547246
    Abstract: A compound that includes an aqueous dispersion, wherein the dispersion includes a thermoplastic resin and at least one stabilizing agent, and at least one selected from the group consisting of a colorant and a magnetic pigment, wherein the dispersion has an average volume diameter particle size from about 0.05 to about 10 microns is described.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: January 17, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: John Klier, Richard D. Varjian, Alastair S. Hill, Timothy J. Young, Richard A. Lundgard, Michael J. Johnson, Qichun Wan, Matthew J. Kalinowski, Mechelle A. Churchfield, Gary M. Strandburg, David J. Magley
  • Publication number: 20160304676
    Abstract: Disclosed is a process for making stable and consistent polymer formulations with desirable sensorial qualities.
    Type: Application
    Filed: December 15, 2014
    Publication date: October 20, 2016
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Daniel M. TRAUTH, Qichun WAN, Kishore K. KAR, Justin J. WALKER, Anthony NEUBAUER, David L. MALOTKY
  • Publication number: 20160184210
    Abstract: The present invention provides personal care formulations containing silane functionalized polyolefins and having improved sensory feel, as well as being non-tacky and easily spreadable on skin. The present invention also provides a method for treating the body by applying the aforesaid personal care formulations externally to the body. The present invention also provides a method for improving the sensory feel of personal care formulations by including silane functionalized polyolefins in the formulations.
    Type: Application
    Filed: November 22, 2013
    Publication date: June 30, 2016
    Inventors: Thomas P. Clark, Vivek Kalihari, Nahrain E. Kamber, John W. Kramer, Xiaodong Lu, Ying O'connor, Thomas H. Peterson, Curtis Schwartz, Qichun Wan
  • Publication number: 20150306018
    Abstract: The present invention provides personal care formulations containing silicone modified polyolefins and having improved sensory feel, as well as being non-tacky and easily spreadable. The present invention also provides a method for treating body surfaces such as skin, hair, nails, etc., by applying the aforesaid personal care formulations externally to such a surface. The present invention also provides a method for improving the sensory feel of personal care formulations by including one or more silicone modified polyolefins in the formulations.
    Type: Application
    Filed: November 22, 2013
    Publication date: October 29, 2015
    Applicant: Dow Global Technologies LLC
    Inventors: Thomas P. Clark, Vivek Kalihari, Nahrain E. Kamber, John W. Kramer, Xiaodong Lu, Ying O'connor, Thomas H. Peterson, Curtis Schwartz, Qichun Wan