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Qichun Wan

from Midland, MI
Age ~60

Qichun Wan Phones & Addresses

  • 206 Wanetah Dr, Midland, MI 48640 (989) 837-9729
  • 2514 Abbott Rd, Midland, MI 48642 (989) 837-9729
  • Columbus, OH

Work

Position: Service Occupations

Education

Degree: Graduate or professional degree

Publications

Us Patents

Aqueous Dispersions For Use As Toners

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US Patent:
20100143837, Jun 10, 2010
Filed:
Feb 25, 2010
Appl. No.:
12/635565
Inventors:
John Klier - Midland MI, US
Richard D. Varjian - Kirkland WA, US
Alastair S. Hill - Schonenberg, CH
Timothy J. Young - Bay City MI, US
Richard A. Lundgard - Midland MI, US
Michael J. Johnson - Midland MI, US
Qichun Wan - Midland MI, US
Matthew J. Kalinowski - Freeland MI, US
Mechelle Ann Churchfield - Midland MI, US
Gary M. Strandburg - Mount Pleasant MI, US
David J. Magley - Midland MI, US
International Classification:
G03G 9/12
G03G 5/00
US Classification:
430114, 43013722
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.

Compounds And Methods Of Forming Compounds Useful As A Toner

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US Patent:
20100248119, Sep 30, 2010
Filed:
Nov 26, 2008
Appl. No.:
12/744407
Inventors:
Timothy J. Young - Bay City MI, US
Richard A. Lundgard - Midland MI, US
Michael J. Johnson - Midland MI, US
Qichun Wan - Midland MI, US
Matthew J. Kalinowski - Freeland MI, US
Mechelle A. Churchfield - Midland MI, US
Gary M. Strandburg - Mount Pleasant MI, US
Assignee:
DOW GLOBAL TECHNOLOGIES INC. - Midland MI
International Classification:
G03G 9/08
G03G 9/09
G03G 9/097
US Classification:
4301082, 4301081, 4301084, 4301101, 4301371, 43013714
Abstract:
Compounds and methods of forming compounds useful as a toner or toner precursor are disclosed. The compounds may include an aqueous dispersion, the dispersion including: (A) at least one thermoplastic resin; and (B) 0 to 5 weight percent of a stabilizing agent, based on the total weight of (A) and (B). The dispersion may have an average volume diameter particle size from about 0.05 to about 10 microns. A combined amount of the thermoplastic resin and the stabilizing agent may have an acid number of less than 25 mg KOH/g.

Polymers For High-Surfactant Formulations

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US Patent:
20120165242, Jun 28, 2012
Filed:
Dec 19, 2011
Appl. No.:
13/329490
Inventors:
Qichun Wan - Midland MI, US
Christopher J. Tucker - Midland MI, US
Eric C. Greyson - Blue Bell PA, US
Marianne Creamer - Warrington PA, US
Joseph Manna - Quakertown PA, US
Jan Edward Shulman - Newtown PA, US
International Classification:
C11D 3/37
US Classification:
510476
Abstract:
A detergent composition having at least two components. The first component is from 14 to 50 wt % surfactants. The second component is from 0.05 to 4 wt % of a polymer which has polymerized residues of 40 to 65 wt % C-Calkyl (meth)acrylates and 25 to 55 wt % C-Ccarboxylic acid monomers.

Composition Having Polyol And Isocyanate

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US Patent:
20230094316, Mar 30, 2023
Filed:
Apr 23, 2021
Appl. No.:
17/997685
Inventors:
- Midland MI, US
Brian Dorvel - Missouri City TX, US
Jingwei Fan - Pearland TX, US
Qichun Wan - Midland MI, US
International Classification:
C09D 175/14
C08G 18/42
C08G 18/71
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.

Resins For Use As Tie Layer In Multilayer Structure And Multilayer Structures Comprising The Same

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US Patent:
20210002404, Jan 7, 2021
Filed:
Mar 7, 2019
Appl. No.:
16/970497
Inventors:
- Midland MI, US
Rebecca Putans - Midland MI, US
Qichun Wan - Midland MI, US
Yongfu Li - Midland MI, US
Rachel E. M. Brooner - Midland MI, US
Matthew T. Bishop - Midland MI, US
Yong Zheng - Manvel TX, US
International Classification:
C08F 255/02
C08K 5/09
B32B 27/08
B32B 27/32
B32B 15/085
B32B 23/08
B32B 27/30
B32B 27/34
B32B 27/36
B32B 7/12
B65D 65/40
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.

Tile Containing Primer Coated Substrates With Good Adhesion

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US Patent:
20200316924, Oct 8, 2020
Filed:
Oct 23, 2018
Appl. No.:
16/758328
Inventors:
- Midland MI, US
Qichun Wan - Midland MI, US
Ronald J. Weeks - Lake Jackson TX, US
Mark T. Jablonka - Lake Jackson TX, US
Rennisha R. Wickman - Lake Jackson TX, US
Colin LiPiShan - Lake Jackson TX, US
Miguel Alberto de Jesus Prieto - Richterswil, CH
International Classification:
B32B 27/08
B32B 27/30
B32B 27/32
B32B 27/40
B32B 7/12
C09D 5/00
C09D 123/08
C09D 123/26
C09D 125/08
C09D 153/00
C09J 151/06
C09J 153/00
C08F 22/06
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.

Articles With An Adhesive Layer

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US Patent:
20200087550, Mar 19, 2020
Filed:
Apr 27, 2018
Appl. No.:
16/608543
Inventors:
- Midland MI, US
Qichun Wan - Midland MI, US
Colin LiPiShan - Lake Jackson TX, US
Lena T. Nguyen - Lake Jackson TX, US
Kyle D. Anderson - Freeport TX, US
International Classification:
C09J 123/06
C09J 109/00
C09J 151/06
C09J 151/04
C08K 5/14
F16H 7/02
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.

Polymer Compositions For Uv Curable Primers

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US Patent:
20200024486, Jan 23, 2020
Filed:
Sep 29, 2016
Appl. No.:
16/337983
Inventors:
- Midland MI, US
Qichun Wan - Midland MI, US
Yong Chun Chen - Shanghai, CN
Shaoguang Feng - Shanghai, CN
International Classification:
C09J 4/06
C09J 151/06
C09J 133/16
C09J 127/06
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.
Qichun Wan from Midland, MI, age ~60 Get Report