Patents by Inventor Fanwen Zeng
Fanwen Zeng 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: 20240122840Abstract: Personal care formulation is provided having multistage polymer, comprising: acrylate rich stage comprising: (a) structural units of monomer selected from C1-22 alkyl (meth)acrylates and structural units of first carbosiloxane monomer of formula (I); and (b) carbosiloxane rich stage, comprising: structural units of second carbosiloxane monomer of formula (I); wherein a is 0 to 3; wherein d is 0 or 1; wherein R1 is selected from hydrogen, C1-10 alkyl group and aryl group; wherein R2 is selected from hydrogen and C1-10 alkyl group; wherein R8 is —O—Si(CH3)3 group; wherein Y is selected from formula (II), (III) and (IV); wherein R4 and R6 are selected from hydrogen and methyl group; wherein R3 and R5 are C1-10 alkylene group; wherein R7 is C1-10 alkyl group; wherein b is 0 to 4 and wherein c is 0 or 1; and wherein the first and second carbosiloxane monomer of formula (I) are same or different.Type: ApplicationFiled: November 18, 2020Publication date: April 18, 2024Inventors: Tian Lan, Fanwen Zeng, Xiaodong Lu, Inna Shulman, Michaeleen Pacholski, Isabelle Van Reeth, Helene Dihang, Tanvi S. Ratani, Jason Fisk, Tzu-Chi Kuo, Rachael M. Smith
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Publication number: 20240124630Abstract: A multistage polymer is provided, having: acrylate rich stage comprising: (a) structural units of monomer selected from C1-22 alkyl (meth)acrylates and structural units of first carbosiloxane monomer of formula (I); and (b) carbosiloxane rich stage, comprising: structural units of second carbosiloxane monomer of formula (I); wherein a is 0 to 3; wherein d is 0 or 1; wherein R1 is selected from hydrogen, C1-10 alkyl group and aryl group; wherein R2 is selected from hydrogen and C1-10 alkyl group; wherein R8 is —O—Si(CH3)3 group; wherein Y is selected from formula (II), (III) and (IV); wherein R4 and R6 are selected from hydrogen and methyl group; wherein R3 and R5 are a C1-10 alkylene group; wherein R7 is C1-10 alkyl group; wherein b is 0 to 4 and wherein c is 0 or 1; and wherein the first and second carbosiloxane monomer of formula (I) are same or different.Type: ApplicationFiled: November 18, 2020Publication date: April 18, 2024Inventors: Tian Lan, Fanwen Zeng, Xiaodong Lu, Inna Shulman, Tanvi S. Ratani, Jason Fisk, Tzu-Chi Kuo
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Patent number: 11931447Abstract: A polymer/hydrophilic silica blend is provided comprising (a) a thickening polymer powder, comprising (i) structural units of C4-8 alkyl (meth)acrylate monomer; (ii) structural units of (meth)acrylic acid monomer, and (iii) structural units of a specialized associative monomer of formula (I) wherein R1 is a linear saturated C10-20 alkyl group; and n is an average of 20 to 28; and (b) a hydrophilic silica powder; wherein the weight ratio of hydrophilic silica powder to thickening polymer powder in the polymer/hydrophilic silica blend is 1:9 to 9:1. Also provided are personal care compositions containing same and methods of using same.Type: GrantFiled: April 16, 2020Date of Patent: March 19, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Luqing Qi, Liang Chen, Lu Bai, Lyndsay M. Leal, David M. Meunier, Yunshen Chen, Fanwen Zeng
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Publication number: 20240034957Abstract: A fabric care formulation is provided, comprising: a liquid carrier; and a plurality of composite opacifier particles, wherein the composite opacifier particles comprise metal oxide particles that are partially or completely encapsulated by a wax; wherein the metal oxide particles are selected from the group consisting of zinc oxide, titanium oxide and mixtures thereof; wherein the metal oxide particles have a z average particle size of >100 nm as measured by dynamic light scattering; wherein the wax has a melting point temperature of 45 to 110° C.; and wherein the composite opacifier particles have a z average particle size of >100 nm to 2,000 nm as measured by dynamic light scattering.Type: ApplicationFiled: December 2, 2021Publication date: February 1, 2024Inventors: Luqing Qi, Aslin Izmitli, Ying O'Connor, Michael Gysin, Yuanqiao Rao, David L. Malotky, Eric Wasserman, Fanwen Zeng, Junsi Gu, Stephanie A. Bloxom
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Publication number: 20230404875Abstract: An aqueous personal care rinse off composition is provided, comprising: a dermatologically acceptable aqueous vehicle; a dermatologically acceptable cleaning surfactant; and a plurality of composite opacifier particles, wherein the composite opacifier particles comprise metal oxide particles that are partially or completely encapsulated by a wax; wherein the metal oxide particles are selected from the group consisting of zinc oxide, titanium oxide and mixtures thereof; wherein the metal oxide particles have a z average particle size of >100 nm as measured by dynamic light scattering; wherein the wax has a melting point temperature of 50 to 110° C.; and wherein the composite opacifier particles have a z average particle size of >100 nm to 2,000 nm as measured by dynamic light scattering.Type: ApplicationFiled: December 2, 2021Publication date: December 21, 2023Inventors: Luqing Qi, Ying O'Connor, Yuanqiao Rao, David L. Malotky, Eric Wasserman, Fanwen Zeng, Junsi Gu, Stephanie A. Bloxom
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Publication number: 20230398044Abstract: Described herein are aspherical hollow silica particles, processes for making aspherical hollow silica particles, and uses of aspherical hollow silica particles in sun care compositions. To form the aspherical hollow silica particles, deposition of a silica shell on a calcium carbonate template using a sol-gel chemistry is employed. Subsequent dissolution of the calcium carbonate template forms voids (e.g., a hollow interior) in the aspherical hollow silica particles.Type: ApplicationFiled: October 28, 2021Publication date: December 14, 2023Applicants: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Jie XIONG, Fanwen ZENG, Wenjun XU, Dean M. MILLAR
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Publication number: 20230372224Abstract: A fixative polymer is provided, comprising: structural units of monoethylenically unsaturated C1-12 alkyl (meth)acrylate monomer; structural units of monoethylenically unsaturated carboxylic acid containing monomer; structural units of monoethylenically unsaturated hydroxy functionalized C1-16 alkyl (meth)acrylate monomer; and structural units of carbosiloxane monomer of formula (I) wherein a is 0 to 3; wherein d is 0 or 1; wherein R1 is hydrogen, C1-10 alkyl, aryl, —OSi(R9)3 or —X—SiOSi(R9)3; wherein R2 and R9 are hydrogen or C1-10 alkyl; wherein R8 is —OSi(CH3)2OSi(CH3)3; wherein Y is formula (II), (III), (IV) or (V) wherein R4, R6 and R10 are hydrogen or C1-4 alkyl; wherein X, R3 and R5 are a divalent linking group; wherein R7 is a C1-10 alkyl group; wherein b is 0 to 4 and wherein c is 0 or 1.Type: ApplicationFiled: November 15, 2021Publication date: November 23, 2023Inventors: Lu Bai, Ligeng Yin, Fanwen Zeng, Rosalind Toth, Jennifer Koenig, Michaeleen Pacholski, Nanguo Liu, Michael Telgenhoff, Tian Lan, Meng Jing, Binghe Gu
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Publication number: 20230285268Abstract: An aqueous antiperspirant composition is provided, comprising: (A) water; (B) a sweat repellent polymer, comprising a multistage polymer comprising: an acrylate rich stage comprising: structural units of a monoethylenically unsaturated nonionic acrylate rich stage monomer; and structural units of a first carbosiloxane monomer of formula (I); and a carbosiloxane rich stage, comprising: structural units of a vinyl monomer; and structural units of a second carbosiloxane monomer of formula (I); wherein the first carbosiloxane monomer of formula (I) and the second carbosiloxane monomer of formula (I) are the same or different; and (C) an antiperspirant aluminum salt; wherein the aqueous antiperspirant composition is an emulsion. Also provided are methods of using the same.Type: ApplicationFiled: September 2, 2021Publication date: September 14, 2023Inventors: Tian Lan, Fanwen Zeng, Xiaodong Lu, Inna Shulman, Isabelle Van Reeth, Fabienne Bizeray, Gregoire Cardoen, Michaeleen Pacholski, Peilin Yang, Helene Dihang, Marc Eeman, Tanvi S. Ratani, Jason Fisk, Tzu-Chi Kuo
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Publication number: 20230240971Abstract: A silicone-(meth) acrylate copolymer and methods for the preparation and use of the copolymer are provided. The copolymer is soluble in ethanol under ambient conditions. The copolymer, or homogeneous ethanol solution thereof, may be used as a film forming agent in a personal care composition, such as a foundation.Type: ApplicationFiled: October 5, 2021Publication date: August 3, 2023Inventors: Tian Lan, Ligeng Yin, Lu Bai, Fanwen Zeng, Jennifer Koenig, Rosalind Toth, Meng Jing, Michaeleen L. Pacholski, Nanguo Liu
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Publication number: 20230105671Abstract: The present invention is a method for preparing a aqueous dispersion of copolymer particles comprising structural units of a) an acrylate monomer; b) an acid monomer; and c) a siloxane acrylate monomer of formula I: where R, R1, R2, Y and x are defined herein. The method also requires the use of special classes on anionic and nonionic surfactants as described herein. The aqueous dispersion prepared by the method of the present invention is useful in a variety of applications ranging from architectural coatings to personal care products.Type: ApplicationFiled: February 10, 2021Publication date: April 6, 2023Inventors: Hilda G. Buss, Matthew Carter, Ralph C. Even, Jason S. Fisk, Tzu-Chi Kuo, Tian Lan, Bryan L. McCulloch, Jodi Mecca, Arash R. Nowbahar, Tanvi S. Ratani, Richard P. Woodworth, Fanwen Zeng
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Publication number: 20230096043Abstract: The present invention is a composition comprising an aqueous dispersion of copolymer particles comprising structural units of a) an acrylate monomer; b) an acid monomer; and c) a siloxane-acrylate monomer of formula I: where R, R1, R2, Y and x are defined herein. The composition, which also comprises a nonionic and anionic surfactant as described herein, is useful in a variety of applications ranging from architectural coatings to personal care products.Type: ApplicationFiled: February 10, 2021Publication date: March 30, 2023Inventors: Hilda G. Buss, Matthew Carter, Ralph C. Even, Jason S. Fisk, Matthew Jeletic, Tzu-Chi Kuo, Tian Lan, Nanguo Liu, Bryan L. McCulloch, Jodi Mecca, Arash R. Nowbahar, Tanvi S. Ratani, Muhunthan Sathiosatham, Richard P. Woodworth, Fanwen Zeng
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Publication number: 20230082890Abstract: A method for styling hair comprises placing the hair in a desired configuration and applying a hair styling composition to the hair. The hair styling composition comprises a powder of a multistage polymer of a soft polymer of Tg<40° C.; and a hard polymer having a Tg>40° C., and at least 10° C. higher than the Tg of the soft polymer wherein the hard polymer forms a complete or partial shell around the soft polymer the weight ratio of hard polymer to soft polymer being 1.01:1 to 2:1. After exposure to liquid water and drying at temperatures below 100° C., a maximum thermal transition temperature of the multistage polymer in an atmosphere of 0% relative humidity that differs by 20° C. or less from the maximum thermal transition temperature in an atmosphere of 75% relative humidity.Type: ApplicationFiled: November 16, 2022Publication date: March 16, 2023Inventors: Kathleen Keller, Kimberly B. Kosto, Alan Isamu Nakatani, Miao Wang, Fanwen Zeng
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Publication number: 20220395440Abstract: Described herein are sun care compositions comprising at least one sunscreen active and hollow mesoporous silica nanospheres, and methods of making and using the sun care compositions. The presently described sun care compositions further comprise at least one of a cosmetically acceptable emollient, humectant, vitamin, moisturizer, conditioner, oil, silicone, suspending agent, surfactant, emulsifier, preservative, rheology modifier, pH adjustor, reducing agent, anti-oxidant, and/or foaming or de-foaming agent.Type: ApplicationFiled: October 30, 2019Publication date: December 15, 2022Applicants: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Jinxiu WANG, Shiling ZHANG, XiaoYi PANG, Hongyu CHEN, Fanwen ZENG
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Publication number: 20220275124Abstract: The present invention relates to a method for preparing an aqueous dispersion of acrylate-siloxane copolymer particles as described herein. The polymer particles comprise structural units of an acrylate monomer; an acid monomer; and a siloxane acrylate monomer of formula I: where R, R1, R2, Y and x are as defined herein. The method provides an efficient way to prepare a high solids content aqueous dispersion of siloxane-acrylate hybrid copolymers with efficient incorporation of siloxane acrylate monomers, low residual monomer, and low generation of unwanted coagulum. The dispersion is useful for forming coatings with improved hydrophobicity, stain resistance, and aesthetic/haptic properties compared with conventional all-acrylic compositions.Type: ApplicationFiled: August 10, 2020Publication date: September 1, 2022Inventors: Hilda G. Buss, Matthew Carter, Ralph C. Even, Bryan L. McCulloch, Jodi Mecca, Richard P. Woodworth, Fanwen Zeng
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Publication number: 20220275123Abstract: The present invention relates to a composition comprising an aqueous dispersion of acrylate-siloxane copolymer particles comprising structural units of an acrylate monomer; an acid monomer; and a siloxane acrylate monomer of formula I: where R, R1, R2, Y and x are as defined herein. The composition has a high solids content, a low concentration of siloxane acrylate monomer and low coagulum levels. The composition is useful for forming coatings with improved hydrophobicity, stain resistance, and aesthetic/haptic properties compared with conventional all-acrylic compositions.Type: ApplicationFiled: August 5, 2020Publication date: September 1, 2022Inventors: Hilda G. Buss, Matthew Carter, Ralph C. Even, Matthew Jeletic, Nanguo Liu, Bryan L. McCulloch, Jodi Mecca, Muhunthan Sathiosatham, Richard P. Woodworth, Fanwen Zeng
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Patent number: 11382844Abstract: An acidic aqueous shampoo composition, which comprises: (I) a cleansing surfactant selected from the group consisting of anionic surfactant, zwitterionic or amphoteric surfactant and nonionic surfactant; (II) an emulsified silicone, (III) an anti-settling, thickening polymer, wherein the anti-settling, thickening polymer, comprises: (a) 40 to 74.5 wt % of structural units of C1-4 alkyl acrylate; (b) 20 to 50 wt % of structural units of methacrylic acid; (c) 0.Type: GrantFiled: October 19, 2018Date of Patent: July 12, 2022Assignee: Conopco, Inc.Inventors: Nicholas John Ainger, Wei Gao, Adam Peter Jarvis, Kinjalbahen Joshi, Curtis Schwartz, Neil Scott Shaw, Inna Shulman, Pierre Starck, Sally Elizabeth Wood, Fanwen Zeng
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Patent number: 11376209Abstract: An aqueous anti-dandruff shampoo composition which comprises: (I) a cleansing surfactant selected from the group consisting of anionic surfactant, zwitterionic or amphoteric surfactant and nonionic surfactant; (II) suspended particles of an anti-dandruff agent, (III) an anti-settling, thickening polymer, wherein the anti-settling, thickening polymer, comprises: (a) 40 to 74.5 wt % of structural units of C1-4 alkyl acrylate; (b) 20 to 50 wt % of structural units of methacrylic acid; (c) 0.Type: GrantFiled: October 19, 2018Date of Patent: July 5, 2022Assignee: Conopco, Inc.Inventors: Nicholas John Ainger, Joanna Susan Dawson, Wei Gao, Adam Peter Jarvis, Kinjalbahen Joshi, Curtis Schwartz, Neil Scott Shaw, Inna Shulman, Pierre Starck, Sally Elizabeth Wood, Fanwen Zeng
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Publication number: 20220160596Abstract: A hydrophilic silica/polymer blend is provided comprising (a) a hydrophilic silica powder; and (b) a thickening polymer powder, comprising (i) structural units of C4-8 alkyl (meth)acrylate monomer; (ii) structural units of (meth)acrylic acid monomer; (iii) structural units of (methoxy) poly(ethylene glycol) (meth)acrylate monomer; and (iv) structural units of multiethylenically unsaturated monomer; wherein the weight ratio of hydrophilic silica powder to thickening polymer powder in the hydrophilic silica/polymer blend is 1:9 to 9:1. Also provided are personal care compositions containing same and methods of using same.Type: ApplicationFiled: April 16, 2020Publication date: May 26, 2022Inventors: Luqing Qi, Liang Chen, Lu Bai, Lyndsay M. Leal, David M. Meunier, Yunshen Chen, Fanwen Zeng
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Publication number: 20220151908Abstract: A polymer oil blend is provided comprising (a) a cosmetically acceptable long chain hydrophobic ester oil, wherein the cosmetically acceptable long chain hydrophobic ester oil comprises aliphatic C>12-24 alkyl triglycerides; (b) a thickening polymer powder, wherein the thickening polymer powder comprises: (i) 96 to 99.9 wt %, based on weight of the thickening polymer powder, of structural units of C4-8 alkyl (meth)acrylate monomer; (ii) 0.1 to 2 wt %, based on weight of the thickening polymer powder, of structural units of (meth)acrylic acid monomer; (iii) 0 to 2 wt %, based on weight of the thickening polymer powder, of structural units of multi-ethylenically unsaturated crosslinking monomer; and (c) a silica powder; and wherein the weight ratio of silica powder/thickening polymer powder is ?0.25. Also provided are personal care compositions containing same and methods of using same.Type: ApplicationFiled: April 16, 2020Publication date: May 19, 2022Inventors: Luqing Qi, Liang Chen, Lu Bai, Lyndsay M. Leal, David M. Meunier, Yunshen Chen, Fanwen Zeng
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Publication number: 20220142903Abstract: A polymer/hydrophilic silica blend is provided comprising (a) a thickening polymer powder, comprising (i) structural units of C4-8 alkyl (meth)acrylate monomer; (ii) structural units of (meth)acrylic acid monomer, and (iii) structural units of a specialized associative monomer of formula (I) wherein R1 is a linear saturated C10-20 alkyl group; and n is an average of 20 to 28; and (b) a hydrophilic silica powder; wherein the weight ratio of hydrophilic silica powder to thickening polymer powder in the polymer/hydrophilic silica blend is 1:9 to 9:1. Also provided are personal care compositions containing same and methods of using same.Type: ApplicationFiled: April 16, 2020Publication date: May 12, 2022Inventors: Luqing Qi, Liang Chen, Lu Bai, Lyndsay M. Leal, David M. Meunier, Yunshen Chen, Fanwen Zeng