Patents by Inventor Weiming Qiu

Weiming Qiu 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: 11905495
    Abstract: Treatment compositions, such as fabric care or dish care compositions, that include poly alpha-1,6-glucan ether compounds, which include poly alpha-1,6-glucans substituted with at least one positively charged organic group, the compounds being characterized by, for example, a degree of substitution of about 0.001 to about 3.0, and optionally, where about 3% or more of the backbone glucose monomer units have branches via alpha-1,2- and/or alpha-1,3-glycosidic linkages. Methods related to making and using such compositions.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 20, 2024
    Assignee: The Procter & Gamble Company
    Inventors: Mark Robert Sivik, Carola Barrera, Kristine Lynn Fliter, Karel Jozef Maria Depoot, Wouter Walravens, Cedric Joseph Volont, Claire Rebecca Yates, Julie Ann Menkhaus, David Good, Gang Si, Ruth Chilton, Michael D. Gagnon, Brandon J. Burkhart, Helen Lu, Weiming Qiu, Kathleen Mary McDonough
  • Publication number: 20240012436
    Abstract: A power supply, method for voltage compensation and electronic device are provided. The power supply includes: a plurality of temperature compensation modules, for providing a plurality of reference voltages respectively based on a plurality of temperature curves which are not identical, and each of the temperature curve linearly characterizing a corresponding relationship between the reference voltage and temperature in a plurality of temperature ranges respectively; and a summation module, for providing an output voltage in accordance with the plurality of reference voltages, wherein for at least one temperature curve, at least two temperature ranges correspond to different temperature coefficients, so that an output voltage curve characterizing the output voltage changing with temperature has not identical temperature coefficients at least in two temperature ranges, and a critical temperature between temperature ranges in the output voltage curve corresponds to a stable output voltage.
    Type: Application
    Filed: April 12, 2023
    Publication date: January 11, 2024
    Inventors: Weiming Qiu, Jinyuan Wei, Renlian Qiu, Chuming Shih
  • Publication number: 20230332073
    Abstract: A laundry care or dish care composition can include a poly alpha-1,6-glucan derivative, wherein the poly alpha-1,6-glucan derivative includes: (i) a poly alpha-1,6-glucan backbone of glucose monomer units; and (ii) at least one hydrophobic organic group linked to the poly alpha-1,6-glucan backbone through an ether (—O—) linkage moiety; wherein, the poly alpha-1,6-glucan backbone has a weight average degree of polymerization of at least 5; wherein, the poly alpha-1,6-glucan derivative has a degree of substitution of ether linkage moiety of from 0.20 to 1.00; wherein the poly alpha-1,6-glucan derivative is substantially free from hydrophilic substitution.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Inventors: Mark Robert SIVIK, Kristine Lynn FLITER, Neil Thomas FAIRWEATHER, Gang SI, David GOOD, Helen LU, Weiming QIU
  • Publication number: 20230295350
    Abstract: Compositions are disclosed herein comprising one or more crosslinked dextrans or crosslinked dextran-poly alpha-1,3-glucan graft copolymers. Further disclosed are processes for preparing such crosslinked materials, as well as their use in absorption applications.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 21, 2023
    Inventors: Weiming Qiu, Douglas J. Adelman, Geraldine M. Direnzo
  • Patent number: 11732216
    Abstract: A laundry care or dish care composition can include a poly alpha-1,6-glucan derivative, wherein the poly alpha-1,6-glucan derivative includes: (i) a poly alpha-1,6-glucan backbone of glucose monomer units, wherein greater than or equal to 40% of the glucose monomer units are linked via alpha-1,6 glycosidic linkages, and optionally at least 5% of the backbone glucose monomer units have branches via alpha-1,2 and/or alpha-1,3 glycosidic linkages; and (ii) at least one hydrophobic organic group linked to the poly alpha-1,6-glucan backbone through an ether (—O—) linkage moiety; wherein, the poly alpha-1,6-glucan backbone has a weight average degree of polymerization of at least 5; wherein, the poly alpha-1,6-glucan derivative has a degree of substitution of ether linkage moiety of from 0.20 to 1.00; wherein the poly alpha-1,6-glucan derivative is substantially free from hydrophilic substitution.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: August 22, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Mark Robert Sivik, Kristine Lynn Fliter, Neil Thomas Fairweather, Gang Si, David Good, Helen Lu, Weiming Qiu
  • Publication number: 20230212325
    Abstract: The disclosure relates to poly alpha-1,6-glucan derivatives comprising poly alpha-1,6-glucan substituted with at least one organic group linked to the poly alpha-1,6-glucan through a linkage moiety selected from ether, sulfonyl, carbonate, or carbamoyl/carbamate, and having a degree of substitution of about 0.001 to about 3.0. The poly alpha-1,6-glucan comprises a backbone of glucose monomer units wherein greater than or equal to 40% of the glucose monomer units are linked via alpha-1,6 glycosidic linkages, and optionally at least 5% of the backbone glucose monomer units have branches via alpha-1,2 and/or alpha-1,3 glycosidic linkages. Compositions comprising a poly alpha-1,6-glucan derivative can be useful in various applications.
    Type: Application
    Filed: June 9, 2021
    Publication date: July 6, 2023
    Inventors: ZHENGZHENG HUANG, DOUGLAS J. ADELMAN, NEIL THOMAS FAIRWEATHER, KRISTI LYNN FLITER, DAVID GOOD, HELEN S.M. LU, WEIMING QIU, GANG SI, MARK ROBERT SIVIK
  • Patent number: 11584901
    Abstract: The disclosure relates to compositions comprising a polysaccharide derivative, wherein the polysaccharide derivative comprises a polysaccharide substituted with a) at least one hydrophobic group, and b) at least one hydrophilic group, wherein the polysaccharide is poly alpha-1,3-glucan, poly alpha-1,6-glucan, or poly alpha-1,3-1,6-glucan.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: February 21, 2023
    Assignee: NUTRITION & BIOSCIENCES USA 4, INC.
    Inventors: Zhengzheng Huang, Helen S. M. Lu, Weiming Qiu, Mukesh C. Shah, Steven W. Shuey, Mark Robert Sivik, Kristi Lynn Fliter
  • Publication number: 20230043452
    Abstract: Fabric conditioning compositions that include a poly alpha-1,3-glucan ether compound and depositable actives, where the poly alpha-1,3-glucan ether compound may be characterized by certain molecular weights and degrees of cationic substitution. Related methods of using and making such compositions.
    Type: Application
    Filed: October 3, 2022
    Publication date: February 9, 2023
    Inventors: Carola BARRERA, Mark Robert SIVIK, Kristine Lynn FLITER, Helen S.M. LU, Weiming QIU
  • Patent number: 11332547
    Abstract: Compositions are disclosed herein comprising one or more crosslinked dextrans or crosslinked dextran-poly alpha-1,3-glucan graft copolymers. Further disclosed are processes for preparing such crosslinked materials, as well as their use in absorption applications.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: May 17, 2022
    Assignee: NUTRITION & BIOSCIENCES USA 4, INC.
    Inventors: Weiming Qiu, Douglas J. Adelman, Geraldine M. Direnzo
  • Publication number: 20220056375
    Abstract: The disclosure relates to compositions comprising a polysaccharide derivative, wherein the polysaccharide derivative comprises a polysaccharide substituted with a) at least one hydrophobic group, and b) at least one hydrophilic group, wherein the polysaccharide is poly alpha-1,3-glucan, poly alpha-1,6-glucan, or poly alpha-1,3-1,6-glucan.
    Type: Application
    Filed: July 15, 2021
    Publication date: February 24, 2022
    Inventors: Zhengzheng Huang, Helen S.M. Lu, Weiming Qiu, Mukesh C. Shah, Steven W. Shuey, Mark Robert Sivik, Kristi Lynn Fliter
  • Publication number: 20220041960
    Abstract: The disclosure relates to compositions comprising a polysaccharide derivative, wherein the polysaccharide derivative comprises a polysaccharide substituted with a) at least one hydrophobic group, and b) at least one hydrophilic group, wherein the polysaccharide is poly alpha-1,3-glucan, poly alpha-1,6-glucan, or poly alpha-1,3-1,6-glucan.
    Type: Application
    Filed: July 15, 2021
    Publication date: February 10, 2022
    Inventors: Helen Lu, ZHENGZHENG HUANG, WEIMING QIU, MUKESH C. SHAH, STEVEN W. SHUEY, MARK ROBERT SIVIK, KRISTI LYNN FLITER
  • Publication number: 20210395648
    Abstract: A laundry care or dish care composition can include a poly alpha-1,6-glucan derivative, wherein the poly alpha-1,6-glucan derivative includes: (i) a poly alpha-1,6-glucan backbone of glucose monomer units, wherein greater than or equal to 40% of the glucose monomer units are linked via alpha-1,6 glycosidic linkages, and optionally at least 5% of the backbone glucose monomer units have branches via alpha-1,2 and/or alpha-1,3 glycosidic linkages; and (ii) at least one hydrophobic organic group linked to the poly alpha-1,6-glucan backbone through an ether (—O—) linkage moiety; wherein, the poly alpha-1,6-glucan backbone has a weight average degree of polymerization of at least 5; wherein, the poly alpha-1,6-glucan derivative has a degree of substitution of ether linkage moiety of from 0.20 to 1.00; wherein the poly alpha-1,6-glucan derivative is substantially free from hydrophilic substitution.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 23, 2021
    Inventors: Mark Robert SIVIK, Kristine Lynn FLITER, Neil Thomas FAIRWEATHER, Gang SI, David GOOD, Helen LU, Weiming QIU
  • Publication number: 20210395655
    Abstract: Water-soluble unit dose articles containing polyvinylalcohol films and a cationic poly alpha-1,6-glucan ether compound. Methods of making the water-soluble unit dose articles. Methods of using the water-soluble unit dose articles.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 23, 2021
    Inventors: Karel Jozef Maria DePoot, Wouter Walravens, Cedric Joseph Volont, Kristine Lynn Fliter, Mark Robert Sivik, Michael D. Gagnon, Brandon J. Burkhart, Helen LU, Weiming Qiu
  • Publication number: 20210395649
    Abstract: Treatment compositions, such as fabric care or dish care compositions, that include poly alpha-1,6-glucan ether compounds, which include poly alpha-1,6-glucans substituted with at least one positively charged organic group, the compounds being characterized by, for example, a degree of substitution of about 0.001 to about 3.0, and optionally, where about 3% or more of the backbone glucose monomer units have branches via alpha-1,2- and/or alpha-1,3-glycosidic linkages. Methods related to making and using such compositions.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 23, 2021
    Inventors: Mark Robert SIVIK, Carola BARRERA, Kristine Lynn FLITER, Karel Jozef Maria DEPOOT, Wouter WALRAVENS, Cedric Joseph VOLONT, Claire Rebecca YATES, Julie Ann MENKHAUS, David GOOD, Gang SI, Ruth CHILTON, Michael D. GAGNON, Brandon J. BURKHART, Helen LU, Weiming QIU, Kathleen Mary MCDONOUGH
  • Patent number: 11066626
    Abstract: The disclosure relates to compositions comprising a polysaccharide derivative, wherein the polysaccharide derivative comprises a polysaccharide substituted with a) at least one hydrophobic group, and b) at least one hydrophilic group, wherein the polysaccharide is poly alpha-1,3-glucan, poly alpha-1,6-glucan, or poly alpha-1,3-1,6-glucan.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: July 20, 2021
    Assignee: NUTRITION & BIOSCIENCES USA 4, INC.
    Inventors: Zhengzheng Huang, Helen S M Lu, Weiming Qiu, Mukesh C. Shah, Steven W. Shuey, Mark Robert Sivik, Kristi Lynn Fliter
  • Patent number: 11028187
    Abstract: The disclosure relates to compositions comprising a poly alpha-1,3-glucan derivative. The poly alpha-1,3-glucan derivative is a poly alpha-1,3-glucan polymer wherein the polymer is substituted with at least one polyether group and/or polyamine group. Compositions comprising the poly alpha-1,3-glucan derivative are useful as detergent compositions.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: June 8, 2021
    Assignee: NUTRITION & BIOSCIENCES USA 4, INC.
    Inventors: Helen S M Lu, Weiming Qiu
  • Patent number: 10614964
    Abstract: The present invention relates to a composition comprising one or more perovskite precursors dissolved in a mixture of solvents comprising: i. one or more polar aprotic solvents, each selected in such a way that it can, when used in absence of other components, dissolve said one or more perovskite precursors, ii. one or more linear alcohols of general formula CnH2n+1OH, wherein n is from 1 to 12, and iii. optionally, one or more acids wherein the polar aprotic solvent or mixture of polar aprotic solvents represent between 50 and 95 vol % of the mixture of solvents, wherein the vol % of the mixture of solvents not occupied by polar aprotic solvents is occupied for at least 90 vol %, preferably for 100 vol %, by the one or more linear alcohols, and the one or more acids if present.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: April 7, 2020
    Assignees: IMEC VZW, Katholieke Universiteit Leuven, KU LEUVEN R&D
    Inventors: Jeffrey Gerhart Tait, Kira Gardner, Robert Gehlhaar, Weiming Qiu, Tamara Merckx
  • Publication number: 20200002646
    Abstract: The disclosure relates to compositions comprising a polysaccharide derivative, wherein the polysaccharide derivative comprises a polysaccharide substituted with a) at least one hydrophobic group, and b) at least one hydrophilic group, wherein the polysaccharide is poly alpha-1,3-glucan, poly alpha-1,6-glucan, or poly alpha-1,3-1,6-glucan.
    Type: Application
    Filed: December 14, 2017
    Publication date: January 2, 2020
    Inventors: Zhengzheng Huang, Helen S M Lu, Weiming Qiu, Mukesh C. Shah, Steven W. Shuey, Mark Robert Sivik, Kristi Lynn Fliter
  • Publication number: 20190359734
    Abstract: Compositions are disclosed herein comprising one or more crosslinked dextrans or crosslinked dextran-poly alpha-1,3-glucan graft copolymers. Further disclosed are processes for preparing such crosslinked materials, as well as their use in absorption applications.
    Type: Application
    Filed: February 13, 2018
    Publication date: November 28, 2019
    Inventors: Weiming Qiu, Douglas J. Adelman, Geraldine M. Direnzo
  • Publication number: 20190309096
    Abstract: The disclosure relates to compositions comprising a poly alpha-1,3-glucan derivative. The poly alpha-1,3-glucan derivative is a poly alpha-1,3-glucan polymer wherein the polymer is substituted with at least one polyether group and/or polyamine group. Compositions comprising the poly alpha-1,3-glucan derivative are useful as detergent compositions.
    Type: Application
    Filed: June 12, 2017
    Publication date: October 10, 2019
    Applicant: E I du Pont de Nemours and Company
    Inventors: Helen S M LU, Weiming QIU