Patents by Inventor Yinzhong Guo
Yinzhong Guo 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).
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Publication number: 20240059825Abstract: A polyolefin-based laminating adhesive composition for use in producing a mechanical recyclable material, the adhesive composition including a mixture of: (a) at least one saturated polyolefin polyol; and (b) at least one aliphatic multi-functional isocyanate compound; a process for producing the above adhesive composition; a mechanically recyclable multi-layer laminate including: (A) at least one first film substrate layer; (B) at least one second film substrate layer; and (C) at least one layer of the above polyolefin-based laminating adhesive composition; wherein the at least one first film substrate layer is bonded to the at least one second film substrate layer via the adhesive composition layer; a process for producing the above mechanically recyclable multi-layer laminate; and a packaging article made from the above mechanically recyclable multi-layer laminate.Type: ApplicationFiled: October 1, 2020Publication date: February 22, 2024Inventors: Yinzhong Guo, Tuoqi Li, Sudhanwa Dewasthale, Jian Wang, Thorsten Schmidt
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Publication number: 20240001657Abstract: An article having recyclability properties including a combination of: (a) a polyolefin polymer; and (b) a solvent-borne adhesive composition having a recyclability property, wherein the recyclability property of the solvent-borne adhesive composition is such that when the article with the solvent-borne adhesive composition is reprocessed, the article with the solvent-borne adhesive composition exhibits less than a 40% decreased change in performance compared to a control article without the solvent-borne adhesive composition that is reprocessed the same way as the article with the solvent-borne adhesive composition; a recyclable laminate structure including at least: (a) at least a first polymer film layer; and (b) a layer of the above solvent-borne laminating adhesive composition; and a process for manufacturing the above recyclable laminate structure.Type: ApplicationFiled: November 9, 2021Publication date: January 4, 2024Inventors: James A. Walker, Lawrence J. Effler, JR., Sudhanwa D. Dewasthale, Amira A. Marine, Manesh Nadupparambil Sekharan, Jill M. Martin, Mai Chen, Yinzhong Guo, Christopher I. Gandy
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Publication number: 20240001656Abstract: An article having recyclability properties including a combination of: (a) at least one polyolefin polymer; and (b) a waterborne adhesive composition having a recyclability property, wherein the recyclability property of the waterborne adhesive composition is such that when the article with the waterborne adhesive composition is reprocessed, the article with the waterborne adhesive composition exhibits less than a 40% decreased change in performance compared to a control article without the waterborne adhesive composition that is reprocessed the same way as the article with the waterborne adhesive composition; a recyclable laminate structure including (a) at least one first polymer film layer; and (?) at least one layer of the above waterborne laminating adhesive composition; and a process for manufacturing the above recyclable laminate structure.Type: ApplicationFiled: November 9, 2021Publication date: January 4, 2024Inventors: James A. Walker, Lawrence J. Effler, JR., Sudhanwa D. Dewasthale, Amira A. Marine, Manesh Nadupparambil Sekharan, Jill M. Martin, Mai Chen, Yinzhong Guo, Christopher I. Gandy
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Patent number: 11807705Abstract: Embodiments of the present disclosure are directed towards solvent-based compositions that include a reaction product formed by reacting a polyol and an aminopolycarboxylic compound.Type: GrantFiled: July 8, 2020Date of Patent: November 7, 2023Assignee: Dow Global Technologies LLCInventors: Yinzhong Guo, Tuoqi Li, Xue Chen, Stephen W. King
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Patent number: 11746266Abstract: A two-component solventless polyurethane adhesive composition including (A) at least one isocyanate component and (B) at least one polyol component. The isocyanate component (A) comprises an isocyanate prepolymer that is the reaction product of (Ai) a polyisocyanate and (Aii) an isocyanate-reactive component; wherein the isocyanate-reactive component comprises (Aiia) at least one polyol having a functionality greater than two, (Aiib) at least one aromatic polyester polyol having a functionality of greater than two, and (Aiic) at least one hydrophobic polyol. The polyol component (B) comprises (Bi) at least one polyether polyol having a functionality greater than two, (Bii) at least one aromatic polyester polyol transesterified with a natural oil, and (Biii) at least one phosphate ester polyol.Type: GrantFiled: October 12, 2020Date of Patent: September 5, 2023Assignee: The Dow Chemical CompanyInventors: Yinzhong Guo, Juan Carlos Casarrubias, Kevin K. Miyake, Mateus Batista Torres Cipro, Elkin David Cardona Jimenez
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Patent number: 11702572Abstract: Two-component solventless polyurethane adhesive compositions comprising an isocyanate component and an isocyanate-reactive are disclosed, the compositions comprising an isocyanate component comprising an isocyanate-terminated prepolymer and an isocyanate-reactive component comprising a hydroxy-terminated polyurethane resin, a polyether polyol, a phosphate ester adhesion promoter, and, optionally, a bio-based polyol.Type: GrantFiled: April 4, 2018Date of Patent: July 18, 2023Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Wenwen Li, Yinzhong Guo, Mai Chen
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Publication number: 20230174835Abstract: Provided is a composition comprising one or more epoxy phosphate esters wherein the structure comprises two or more polyester linkages. Also provided is a method of making the epoxy phosphate esters that comprises reacting one or more epoxy-terminated polyesters with one or more phosphoric acids. Further provided is an adhesive composition that comprises one or more epoxy phosphate esters, one or more multifunctional isocyanate prepolymers, and one or more multifunctional isocyanate-reactive compounds.Type: ApplicationFiled: April 23, 2021Publication date: June 8, 2023Inventors: Tuoqi Li, Joseph J. Zupancic, Yinzhong Guo, Jie Wu
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Publication number: 20230094316Abstract: 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: ApplicationFiled: April 23, 2021Publication date: March 30, 2023Inventors: Yinzhong Guo, Brian Dorvel, Jingwei Fan, Qichun Wan, Tuoqi Li
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Patent number: 11608457Abstract: The present disclosure provides a two-component solventless adhesive composition comprising a polyol component and an isocyanate component. The polyol component comprises a phosphate functional compound, and at least one polyol selected from polyester, polyether, and the combination thereof; and the isocyanate component comprises isocyanate prepolymer that is the reaction product of at least one isocyanate monomer and at least one polyol selected from polyester, polyether, and the combination thereof.Type: GrantFiled: September 19, 2016Date of Patent: March 21, 2023Assignees: Dow Global Technologies LLC, ROHM AND HAAS COMPANYInventors: Chenyan Bai, Mai Chen, Yinzhong Guo, Joseph J. Zupancic, Amira A. Marine
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Patent number: 11584829Abstract: Methods for preparing waterborne heat seal coating compositions are disclosed, including (A) melt blending an ethylene vinyl acetate copolymer, a tackifier, and a wax in a first mixing apparatus to form a melt blend, (B) contacting the melt blend with an initial aqueous stream comprising a neutralizing agent, water, and a surfactant in an emulsification zone of the second mixing apparatus to form a dispersion, and (C) diluting the dispersion with water in a dilution zone of the second mixing apparatus to form the waterborne heat seal coating composition.Type: GrantFiled: August 23, 2018Date of Patent: February 21, 2023Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Carlos A. Escobar Marin, Amit K. Chaudhary, Yinzhong Guo, James M. Lipovsky, Ludwik S. Cygan, Liang Chen
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Patent number: 11505715Abstract: Aqueous matte coating compositions and methods for applying aqueous matte coating compositions to substrates are disclosed. The compositions comprise (a) from 10 to 65 wt % of a first acrylic bead having a calculated glass transition temperature (“Tg”) of from ?30 to 10° C. and an average diameter particle of from 0.1 to 2 ?m, (b) from 20 to 80 wt % of a second acrylic bead having a calculated Tg of from ?60 to 0° C. and an average particle diameter of from 0.5 to 30 ?m, optionally (c) from 10 to 30 wt % of a polymer binder having an average particle diameter of 0.03 to 0.5 ?m, and (d) a slip additive. In some embodiments, the slip additive comprises a silicone emulsion and a wax dispersion. In some embodiments, the slip additive comprises a polyurethane dispersion. Methods for applying aqueous matte coating compositions are also disclosed.Type: GrantFiled: August 7, 2017Date of Patent: November 22, 2022Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Yinzhong Guo, Wenwen Li, Kalyan Sehanobish
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Publication number: 20220351980Abstract: Methods and apparatus for etching a high aspect ratio feature in a stack on a substrate are provided. The feature may be formed in the process of forming a 3D NAND device. Typically, the stack includes alternating layers of material such as silicon oxide and silicon nitride or silicon oxide and polysilicon. WF6 is provided in the etch chemistry, which substantially reduces or eliminates problematic sidewall notching. Advantageously, this improvement in sidewall notching does not introduce other tradeoffs such as increased bowing, decreased selectivity, increased capping, or decreased etch rate.Type: ApplicationFiled: March 2, 2020Publication date: November 3, 2022Inventors: Douglas Hasso, Yinzhong Guo, James M. Lipovsky, Ludwik S. Cygan, Carlos A. Escobar Marin, Joseph Jacobs
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Publication number: 20220275145Abstract: Embodiments of the present disclosure are directed towards solventless compositions that include a reaction product formed by reacting a polyol and an aminopolycarboxylic compound.Type: ApplicationFiled: July 7, 2020Publication date: September 1, 2022Applicant: Dow Global Technologies LLCInventors: Yinzhong Guo, Xue Chen, Stephen W. King
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Publication number: 20220275140Abstract: Embodiments of the present disclosure are directed towards water-based compositions that include a reaction product formed by reacting a polyol and an aminopolycarboxylic compound.Type: ApplicationFiled: July 9, 2020Publication date: September 1, 2022Applicant: Dow Global Technologies LLCInventors: Yinzhong Guo, Tuoqi Li, Xue Chen, Stephen W. King
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Publication number: 20220259364Abstract: Embodiments of the present disclosure are directed towards solvent-based compositions that include a reaction product formed by reacting a polyol and an aminopolycarboxylic compound.Type: ApplicationFiled: July 8, 2020Publication date: August 18, 2022Applicant: Dow Global Technologies LLCInventors: Yinzhong Guo, Tuoqi Li, Xue Chen, Stephen W. King
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Publication number: 20220106505Abstract: A two-component solventless polyurethane adhesive composition including (A) at least one isocyanate component and (B) at least one polyol component. The isocyanate component (A) comprises an isocyanate prepolymer that is the reaction product of (Ai) a polyisocyanate and (Aii) an isocyanate-reactive component; wherein the isocyanate-reactive component comprises (Aiia) at least one polyol having a functionality greater than two, (Aiib) at least one aromatic polyester polyol having a functionality of greater than two, and (Aiic) at least one hydrophobic polyol. The polyol component (B) comprises (Bi) at least one polyether polyol having a functionality greater than two, (Bii) at least one aromatic polyester polyol transesterified with a natural oil, and (Biii) at least one phosphate ester polyol.Type: ApplicationFiled: October 12, 2020Publication date: April 7, 2022Inventors: Yinzhong Guo, Juan Carlos Casarrubias, Kevin K. Miyake, Mateus Batista Torres Cipro, Elkin David Cardona Jimenez
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Publication number: 20220056324Abstract: The present disclosure provides a two-component solvent-less adhesive composition. The two-component solvent-less adhesive composition contains the reaction product of (A) an isocyanate component containing the reaction product of (i) an isocyanate monomer and (ii) a first dimer acid polyester polyol; and (B) a polyol component containing (i) a second dimer acid polyester polyol and (ii) optionally, a polyol selected from a polyether polyol, a polyester polyol, and combinations thereof. The two-component solvent-less adhesive composition contains from 15 wt % to 45 wt % units derived from dimer acid, based on the total weight of the two-component solvent-less adhesive composition.Type: ApplicationFiled: December 21, 2018Publication date: February 24, 2022Inventors: Rui Shi, Zhaohui Qu, Yinzhong Guo
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Publication number: 20220017677Abstract: The present disclosure provides a process comprising providing an isocyanate component A comprising a blend of (i) an aromatic isocyanate prepolymer and (ii) an aliphatic isocyanate prepolymer; providing a polyol component B comprising a blend of; (i) a phosphate-functional polyol, (ii) a polyether polyol, and (iii) an element selected from the group consisting of a polyurethane polyol, a polyester polyol and a combination thereof; mixing component A and component B to form a solventless adhesive (SLA) composition, wherein a weight ratio of component A to component B is from 2:1 to 1:1, the SLA composition having a pot life from 30 min to 60 min at 40 C; applying the SLA composition between a first film and a second film to form a raw laminate; and curing the raw laminate to form a laminate product.Type: ApplicationFiled: November 13, 2019Publication date: January 20, 2022Inventors: Yinzhong Guo, Mai Chen
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Publication number: 20210395555Abstract: The present disclosure provides a process. In an embodiment, the process includes forming an aqueous matte coating composition including A1) beads of a first acrylic polymer having an average particle diameter from 0.1 ?m to 2 ?m; A2) beads of a second acrylic polymer having an average particle diameter from 0.5 ?m to 30 ?m; B) an acrylic polymer binder; C) from 0.15 wt % to 2.5 wt % of a slip additive; D) from 0.10 wt % to 0.30 wt % of a defoaming agent; E) from 0.8 wt % to 1.5 wt % of a rheology modifier; and F) from 0.01 wt % to 0.1 wt % of at least one wetting agent. The aqueous matte coating composition is applied to a substrate and then dried to form a coating on the substrate.Type: ApplicationFiled: October 2, 2019Publication date: December 23, 2021Inventors: Yinzhong Guo, Manesh Nadupparambil Sekharan, Yuming Lai
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Patent number: 11198803Abstract: A process comprising a) mixing i) an isocyanate reactive component that contains from 2 to 100 weight percent of an aminobenzoate terminated composition wherein the isocyanate reactive component does not contain a solvent; and ii) an isocyanate terminated component having an isocyanate functionality of from 2 to 6 wherein the isocyanate terminated component does not contain a solvent; at a stoichiometric ratio of NCO to reactive hydrogen in the range of from 0.9 to 2.5; to form an adhesive composition; b) applying the adhesive composition to a primary substrate; and c) laminating the primary substrate with a secondary film to form a laminate structure, is disclosed. The laminate structure can be used as a laminating adhesive.Type: GrantFiled: May 31, 2016Date of Patent: December 14, 2021Assignee: Dow Global Technologies LLCInventors: Woo-Sung Bae, Justin M. Virgili, Mark F. Sonnenschein, Jonathan Barrus, Yinzhong Guo, Rui Xie