Patents by Inventor Xiang-Qian Liu

Xiang-Qian Liu 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: 11058612
    Abstract: A multistage colored polymer particle is provided, having a core comprising polymerized units of a monoethylenically unsaturated carboxylic acid core monomer and a non-ionic ethylenically unsaturated core monomer; an inner shell comprising polymerized units of a non-ionic ethylenically unsaturated inner shell monomer; a monoethylenically unsaturated carboxylic acid inner shell monomer; optionally, an aliphatic inner shell monomer; and, optionally, a first polymerizable dye monomer; an outer shell comprising polymerized units of a non-ionic ethylenically unsaturated outer shell monomer; a monoethylenically unsaturated non-carboxylic acid outer shell monomer; optionally, a second polymerizable dye monomer; and, optionally, an aliphatic outer shell monomer; wherein the core, when dry, contains at least one void; and wherein the multistage colored polymer particle comprises polymerized units of polymerizable dye monomer.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: July 13, 2021
    Assignee: Rohm and Haas Company
    Inventors: Xiaodong Lu, Xiang Qian Liu, Fanwen Zeng, Junsi Gu, Wen-Shiue Young
  • Publication number: 20210196593
    Abstract: Provided are personal care compositions comprising a polyacrylate oil gel composition comprising (a) hydrophobic ester oil, and (b) one or more polymers comprising polymerized units derived from (i) 85 to 100 weight % of C4-C8 (meth)acrylate monomers, and (ii) 0 to 15 weight % of high Tg monoethylenically unsaturated monomers having a Tg of more than 90° C. after polymer formation.
    Type: Application
    Filed: December 7, 2016
    Publication date: July 1, 2021
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Liang CHEN, Yunshen CHEN, Xiang Qian LIU, Michael T. PETR, Jodi A. THOMAS, Fanwen ZENG
  • Publication number: 20210093489
    Abstract: An absorption rate in an absorbent article including a cell absorber is improved. The above-mentioned problem is solved by an absorbent article including an absorber having a plurality of cells surrounded by bonded portions of an upper sheet and a lower sheet, the upper sheet and the lower sheet not bonded at the cells, and a particulate material including super absorbent polymer particles contained in the cells, in which at least one of the upper sheet and the lower sheet in the cells is formed into concaves depressed to outsides of the cells in a spread state, a middle sheet made of a nonwoven fabric is interposed between the upper sheet and the lower sheet, and the middle sheet is compressed in a thickness direction at the bonded portions and expands to insides of the concaves at portions located inside the cells.
    Type: Application
    Filed: January 18, 2018
    Publication date: April 1, 2021
    Applicant: Daio Paper Corporation
    Inventors: Sadanao Manabe, Ryoichi Ochi, Tomotsugu Matsui, Hong Yan Liu, Xiao Xia Wang, Xiang Qian Liu
  • Patent number: 10864155
    Abstract: Provided are personal care compositions including (a) hydrophobic ester oil, (b) at least one of a nonionic or anionic surfactant, and (c) one or more polymers containing polymerized structural units of (i) 79 to 95.74 weight % of C4-C8 (meth)acrylate monomers, (ii) 0.5 to 5 weight % of (meth)acrylic acid monomer, (iii) 3.75 to 14 weight % of (methoxy) poly(ethylene glycol) methacrylates, and (iv) 0.01 to 2 weight % of at least one crosslinker.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: December 15, 2020
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Lu Bai, Liang Chen, Yunshen Chen, Shannon Golden, Jennifer Koenig, Lyndsay M. Leal, Xiang Qian Liu, Wen-Shiue Young, Fanwen Zeng
  • Publication number: 20200337951
    Abstract: A method for lightening skin tone is provided, comprising topically administering a personal care composition comprising: (A) voided latex particles comprising (i) a core polymer comprising (a) 20 to 60 weight % of monoethylenically unsaturated monomers containing a carboxylic acid group, and (b) 40 to 80 weight % of non-ionic ethylenically unsaturated monomers; and (ii) a shell polymer comprising (a) 55 to 85 weight % of non-ionic ethylenically unsaturated monomers, and (b) 15 to 45 weight % of polyethylenically unsaturated monomers; (B) 0.1 to 10 weight % of pigment grade inorganic metal oxide particles having a particle size of 250 nm to 1,000 nm; (C) a dermatologically acceptable carrier; and (D) an emollient, wherein the voided latex particles are present in at 0.5 to 10 weight %, based on weight of the composition, contain a void and have a particle size of 400 nm to 1500 nm.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 29, 2020
    Inventors: Junsi Gu, Jennifer Koenig, Xiang Qian Liu, Xiaodong Lu, Ying O'Connor, Curtis Schwartz, Xindi Yu, Fanwen Zeng
  • Publication number: 20200315928
    Abstract: A multistage colored polymer particle is provided, having a core comprising polymerized units of a monoethylenically unsaturated carboxylic acid core monomer and a non-ionic ethylenically unsaturated core monomer; an inner shell comprising polymerized units of a non-ionic ethylenically unsaturated inner shell monomer; a monoethylenically unsaturated carboxylic acid inner shell monomer; optionally, an aliphatic inner shell monomer; and, optionally, a first polymerizable dye monomer; an outer shell comprising polymerized units of a non-ionic ethylenically unsaturated outer shell monomer; a monoethylenically unsaturated non-carboxylic acid outer shell monomer; optionally, a second polymerizable dye monomer; and, optionally, an aliphatic outer shell monomer; wherein the core, when dry, contains at least one void; and wherein the multistage colored polymer particle comprises polymerized units of polymerizable dye monomer.
    Type: Application
    Filed: October 3, 2018
    Publication date: October 8, 2020
    Inventors: Xiaodong Lu, Xiang Qian Liu, Fanwen Zeng, Junsi Gu, Wen-Shiue Young
  • Publication number: 20200138689
    Abstract: Provided are personal care compositions including (a) hydrophobic ester oil, (b) at least one of a nonionic or anionic surfactant, and (c) one or more polymers containing polymerized structural units of (i) 79 to 95.74 weight % of C4-C8 (meth)acrylate monomers, (ii) 0.5 to 5 weight % of (meth)acrylic acid monomer, (iii) 3.75 to 14 weight % of (methoxy) poly(ethylene glycol) methacrylates, and (iv) 0.01 to 2 weight % of at least one crosslinker.
    Type: Application
    Filed: June 13, 2018
    Publication date: May 7, 2020
    Inventors: Lu Bai, Liang Chen, Yunshen Chen, Shannon Golden, Jennifer Koenig, Lyndsay M. Leal, Xiang Qian Liu, Wen-Shiue Young, Fanwen Zeng
  • Publication number: 20190105253
    Abstract: Provided are personal care compositions comprising a polyacrylate oil gel composition comprising (a) hydrophobic ester oil, and (b) one or more polymers comprising polymerized units derived from (i) 96 to 99.9 weight % of C4-C8 (meth)acrylate monomers, (ii) 0.1 to 2 weight % of methacrylic acid monomer, and (iii) 0 to 2 weight % of crosslinkers.
    Type: Application
    Filed: June 7, 2016
    Publication date: April 11, 2019
    Inventors: Liang Chen, Yunshen Chen, Jennifer Koenig, Xiang Qian Liu, Fanwen Zeng
  • Publication number: 20180221254
    Abstract: Provided are personal care compositions comprising (A) voided latex particles comprising (i) at least one core polymer comprising polymerized units derived from monoethylenically unsaturated monomers containing at least one carboxylic acid group, and non-ionic ethylenically unsaturated monomers, and (ii) at least one shell polymer comprising polymerized units derived from non-ionic ethylenically unsaturated monomers, and polyethylenically unsaturated monomers, and (B) pigment grade inorganic metal oxide particles, wherein the voided latex particles contain a void and have a particle size of from 400 nm to 800 nm. Also provided are methods for lightening skin tone comprising topically administering such compositions to the skin, and methods for improving visible light scattering of a composition including a pigment grade inorganic metal oxide particle comprising adding to such composition a voided latex particle.
    Type: Application
    Filed: August 3, 2016
    Publication date: August 9, 2018
    Applicant: Rohm and Haas Company
    Inventors: Junsi Gu, Jennifer Koenig, Xiang Qian Liu, Xiaodong Lu, Ying O'Connor, Curtis Schwartz, Xindi Yu, Fanwen Zeng
  • Patent number: 10030165
    Abstract: Arylclobutene-containing multi-functional monomers are useful in the preparation of arylcyclobutene-based polymer coatings. Compositions comprising one or more arylclobutene-containing multi-functional monomers and one or more oligomers comprising as polymerized units one or more arylcyclobutene monomer provide arylcyclobutene-based polymer coatings having reduced stress. Such compositions are useful in the manufacture of electronic devices.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: July 24, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Electronic Materials LLC, Rohm and Haas Company
    Inventors: Duane R. Romer, Matthew M. Yonkey, Michael K. Gallagher, Kevin Y. Wang, Xiang Qian Liu, Raymond J. Thibault, Kim S. Ho, Gregory D. Prokopowicz, Corey O'Connor, Elissei Iagodkine, Robert K. Barr
  • Publication number: 20170081550
    Abstract: Arylclobutene-containing multi-functional monomers are useful in the preparation of arylcyclobutene-based polymer coatings. Compositions comprising one or more arylclobutene-containing multi-functional monomers and one or more oligomers comprising as polymerized units one or more arylcyclobutene monomer provide arylcyclobutene-based polymer coatings having reduced stress. Such compositions are useful in the manufacture of electronic devices.
    Type: Application
    Filed: August 8, 2016
    Publication date: March 23, 2017
    Inventors: Duane R. Romer, Matthew M. Yonkey, Michael K. Gallagher, Kevin Y. Wang, Xiang Qian Liu, Raymond J. Thibault, Kim S. Ho, Gregory D. Prokopowicz, Corey O'Connor, Elissei Iagodkine, Robert K. Barr
  • Patent number: 9441055
    Abstract: Arylclobutene-containing multi-functional monomers are useful in the preparation of arylcyclobutene-based polymer coatings. Compositions comprising one or more arylclobutene-containing multi-functional monomers and one or more oligomers comprising as polymerized units one or more arylcyclobutene monomer provide arylcyclobutene-based polymer coatings having reduced stress. Such compositions are useful in the manufacture of electronic devices.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: September 13, 2016
    Assignees: Dow Global Technologies LLC, Rohm and Haas Electronic Materials LLC, Rohm and Haas Company
    Inventors: Duane R. Romer, Matthew M. Yonkey, Michael K. Gallagher, Kevin Y. Wang, Xiang Qian Liu, Raymond J. Thibault, Kim S. Ho, Gregory D. Prokopowicz, Corey O'Connor, Elissei Iagodkine, Robert K. Barr
  • Publication number: 20160208097
    Abstract: Methods of manufacturing polyimides using a solvent system that is free of N-methylpyrrolidone are provided. Compositions useful in the deposition of polyimide films that are free of N-methylpyrrolidone are also provided.
    Type: Application
    Filed: November 16, 2015
    Publication date: July 21, 2016
    Inventors: Lujia Bu, Fu Zhou, Charles R. Kinzie, Xiang-Qian Liu
  • Patent number: 8455175
    Abstract: Photoresist compositions and methods suitable for depositing a thick photoresist layer in a single coating application are provided. Such photoresist layers are particularly suitable for use in chip scale packaging, for example, in the formation of metal bumps.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: June 4, 2013
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Mark R. Winkle, Jill E. Steeper, Xiang-Qian Liu, Janet Okada-Coakley, Scott A. Ibbitson
  • Patent number: 8434667
    Abstract: A flux composition is provided, comprising, as initial components: a carboxylic acid; and, a polyamine fluxing agent represented by formula I: with the proviso that when the polyamine fluxing agent represented by formula I is according to formula Ia: then zero to three of R1, R2, R3 and R4 is(are) a hydrogen. Also provided is a method of soldering an electrical contact using the flux composition.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: May 7, 2013
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Mark R. Winkle, Avin V. Dhoble, Kim S. Ho, Michael K. Gallagher, Xiang-Qian Liu, David Fleming
  • Patent number: 8434666
    Abstract: A flux composition is provided, comprising, as an initial component: a carboxylic acid; and, a fluxing agent represented by formula I: wherein R1, R2, R3 and R4 are independently selected from a hydrogen, a substituted C1-80 alkyl group, an unsubstituted C1-80 alkyl group, a substituted C7-80 arylalkyl group and an unsubstituted C7-80 arylalkyl group; and wherein zero to three of R1, R2, R3 and R4 is(are) a hydrogen. Also provided is a method of soldering an electrical contact using the flux composition.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: May 7, 2013
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Kim S. Ho, Michael K. Gallagher, Avin V. Dhoble, Mark R. Winkle, Xiang-Qian Liu, David Fleming
  • Patent number: 8430295
    Abstract: A curable flux composition is provided, comprising, as initial components: a resin component having at least two oxirane groups per molecule; a carboxylic acid; a fluxing agent represented by formula I: wherein R1, R2, R3 and R4 are independently selected from a hydrogen, a substituted C1-80 alkyl group, an unsubstituted C1-80 alkyl group, a substituted C7-80 arylalkyl group and an unsubstituted C7-80 arylalkyl group; and wherein zero to three of R1, R2, R3 and R4 is(are) a hydrogen; and, optionally, a curing agent. Also provided is a method of soldering an electrical contact using the curable flux composition.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: April 30, 2013
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Michael K. Gallagher, Kim S. Ho, Avin V. Dhoble, Mark R. Winkle, Xiang-Qian Liu, David Fleming
  • Patent number: 8430293
    Abstract: A curable flux composition is provided, comprising, as initial components: a resin component having at least two oxirane groups per molecule; a carboxylic acid; and, an amine fluxing agent represented by formula I: and, optionally, a curing agent. Also provided is a method of soldering an electrical contact using the curable flux composition.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: April 30, 2013
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Avin V. Dhoble, Mark R. Winkle, Michael K. Gallagher, Kim S. Ho, Xiang-Qian Liu, Asghar A. Peera, Glenn N. Robinson, Ian A. Tomlinson, David Fleming
  • Patent number: 8430294
    Abstract: A flux composition is provided, comprising, as initial components: a carboxylic acid; and, an amine fluxing agent represented by formula I: Also provided is a method of soldering an electrical contact using the flux composition.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: April 30, 2013
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Kim S. Ho, Mark R. Winkle, Avin V. Dhoble, Michael K. Gallagher, Xiang-Qian Liu, Asghar A. Peera, Glenn N. Robinson, Ian A. Tomlinson, David Fleming
  • Publication number: 20130082095
    Abstract: A flux composition is provided, comprising, as an initial component: a carboxylic acid; and, a fluxing agent represented by formula I: wherein R1, R2, R3 and R4 are independently selected from a hydrogen, a substituted C1-80 alkyl group, an unsubstituted C1-80 alkyl group, a substituted C7-80 arylalkyl group and an unsubstituted C7-80 arylalkyl group; and wherein zero to three of R1, R2, R3 and R4 is(are) a hydrogen. Also provided is a method of soldering an electrical contact using the flux composition.
    Type: Application
    Filed: September 30, 2011
    Publication date: April 4, 2013
    Applicant: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: Kim S. Ho, Michael K. Gallagher, Avin V. Dhoble, Mark R. Winkle, Xiang-Qian Liu, David Fleming