Patents by Inventor Helen Lu

Helen Lu 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).

  • Publication number: 20240141257
    Abstract: The present invention relates to a process for making a water-soluble unit dose article. The present invention also contemplates a process for making a premix.
    Type: Application
    Filed: May 31, 2023
    Publication date: May 2, 2024
    Inventors: Wouter WALRAVENS, Karel Jozef Maria DEPOOT, Mark Robert SIVIK, Antonio QUINTIERI, Kristine Lynn NIEHAUS, Katrien VAN ROEY, Helen LU, Michael D. GAGNON, Ilkka Ilari KRUUS
  • Patent number: 11965147
    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 wherein from 0% to less than 30% of the glucose monomer units are linked via alpha-1,3 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 organic group linked to the poly alpha-1,6-glucan backbone through a linkage moiety; wherein, the poly alpha-1,6-glucan backbone has a weight average degree of polymerization of at least 5; and wherein, the poly alpha-1,6-glucan derivative has a degree of substitution of linkage moiety of from 0.20 to 1.00.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: April 23, 2024
    Assignee: The Procter & Gamble Company
    Inventors: Mark Robert Sivik, Kristine Lynn Fliter, Neil Thomas Fairweather, Gang Si, David Good, Zheng-Zheng Huang, Helen Lu, Douglas Adelman
  • Publication number: 20240126651
    Abstract: The present technology pertains to restoring a directory to a state prior to a past synchronization event. A content management system can present an interface including history of synchronization events for a directory, and a user can select to restore a directory to a state prior to any one of the past synchronization events.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Inventors: Pranav Vishnu Ramabhadran, Ken Park, Wes O'Haire, Raveesh Nayar, Helen Lu, Grant Mathews, Sam Keller, Niklas Nordlof, Marian Oman, Julia Weingardt
  • Patent number: 11940877
    Abstract: The present technology pertains to restoring a directory to a state prior to a past synchronization event. A content management system can present an interface including history of synchronization events for a directory, and a user can select to restore a directory to a state prior to any one of the past synchronization events.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: March 26, 2024
    Assignee: Dropbox, Inc.
    Inventors: Pranav Vishnu Ramabhadran, Ken Park, Wes O'Haire, Raveesh Nayar, Helen Lu, Grant Mathews, Sam Keller, Niklas Nordlof, Marian Oman, Julia Weingardt
  • 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: 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
  • 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: 20230116339
    Abstract: A laundry detergent composition includes: (i) detersive surfactant; and (ii) polyalpha-1,3-glucan compounds.
    Type: Application
    Filed: December 5, 2022
    Publication date: April 13, 2023
    Inventors: Mark Robert SIVIK, Kristine Lynn FLITER, Kathleen Mary MCDONOUGH, Gang SI, David Good, Michael McDonnell, Zheng-Zheng Huang, Helen LU
  • Publication number: 20230116102
    Abstract: A laundry care or dish care composition including a poly alpha glucan derivative, wherein the poly alpha glucan derivative includes: (i) a poly alpha glucan backbone of glucose monomer units, wherein greater than or equal to 40% of the glucose monomer units are linked via alpha-1,3 glycosidic linkages, or a combination of alpha-1,3 and alpha-1,6 glycosidic linkages, and optionally at least 5% of the backbone glucose monomer units have branches via alpha-1,2 glycosidic linkages; and (ii) at least one organic group linked to the poly alpha glucan backbone through a linkage moiety; wherein, the poly alpha glucan backbone has a weight average degree of polymerization of from 51 to 150; and wherein, the poly alpha glucan derivative has a degree of substitution of linkage moiety of from 0.001 to 3.00.
    Type: Application
    Filed: December 5, 2022
    Publication date: April 13, 2023
    Inventors: Mark Robert SIVIK, Kristine Lynn FLITER, Neil Thomas FAIRWEATHER, Gang SI, Zheng-Zheng Huang, Helen Lu, Douglas Adelman
  • Publication number: 20230106704
    Abstract: The composition relates to a laundry care or dish care composition including 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 organic group linked to the poly alpha-1,6-glucan backbone through a carbonate (—OCOO—) linkage moiety; wherein the poly alpha-1,6-glucan backbone has a weight average degree of polymerization of at least 5; and wherein the poly alpha-1,6-glucan derivative has a degree of substitution of carbonate linkage moiety of from 0.20 to 1.00.
    Type: Application
    Filed: December 5, 2022
    Publication date: April 6, 2023
    Inventors: Gang SI, Mark Robert SIVIK, Helen LU
  • Patent number: 11314774
    Abstract: The present technology pertains to an organization directory hosted by a synchronized content management system. The corporate directory can provide access to user accounts for all members of the organization to all content items in the organization directory on the respective file systems of the members' client devices. Members can reach any content item at the same path as other members relative to the organization directory root on their respective client device. In some embodiments novel access permissions are granted to maintain path consistency.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: April 26, 2022
    Assignee: Dropbox, Inc.
    Inventors: Thomas Kleinpeter, Akos Albert, Helen Lu, Aaron Staley
  • 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: 20220033995
    Abstract: An alginate-based fiber is made of a composition comprising an alginate, a cellulose and a polyol plasticizer, such as glycerol. The fiber is produced through extrusion in a curing bath containing calcium. The fiber provides excellent strength and flexibility in its unhydrated state for textile applications. The fiber can be used to produce textiles as compostable alternatives to petrochemical based polymers.
    Type: Application
    Filed: December 5, 2019
    Publication date: February 3, 2022
    Inventors: Theanna Schiros, Asta Skocir, Aaron Nesser, Tessa Callaghan, Aleksandra Gosiewski, Sebastian Thomas Russell, Dong An, Romare Antrobus, Chris Mosher, Helen Lu
  • 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
  • Publication number: 20210388290
    Abstract: A laundry care or dish care composition can include a poly alpha-1,6-glucan ester compound, where the poly alpha-1,6-glucan ester compound includes: (i) a poly alpha-1,6-glucan backbone wherein 40% or more of the glucose monomer units are linked via alpha-1,6-glycosidic linkages; and from 0 to 50% glucose units of the poly alpha-1,6 glucan backbone further contains glucose branching moiety linked via alpha-1,2- or alpha-1,3-glycosidic linkages; and (ii) one or more ester groups selected from: (a) an aryl ester group; (b) a first acyl group comprising —CO—R?, wherein R? comprises a chain of 1 to 24 carbon atoms, and (c) a second acyl group comprising —CO—Cx-COOH, wherein the -Cx- portion of the second acyl group comprises a chain of 2 to 24 carbon atoms, wherein the poly alpha-1,6-glucan ester compound has a degree of polymerization (DPn) in the range of 5 to 1400, and wherein the degree of substitution of ester groups is from about 0.001 to about 1.50.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 16, 2021
    Inventors: Mark Robert SIVIK, Kristine Lynn FLITER, Jean-Pol BOUTIQUE, Neil Thomas FAIRWEATHER, Gang SI, Ruth CHILTON, David GOOD, Zheng-Zheng HUANG, Helen LU, Douglas ADELMAN
  • Publication number: 20210388289
    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 wherein from 0% to less than 30% of the glucose monomer units are linked via alpha-1,3 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 organic group linked to the poly alpha-1,6-glucan backbone through a linkage moiety; wherein, the poly alpha-1,6-glucan backbone has a weight average degree of polymerization of at least 5; and wherein, the poly alpha-1,6-glucan derivative has a degree of substitution of linkage moiety of from 0.20 to 1.00.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 16, 2021
    Inventors: Mark Robert SIVIK, Kristine Lynn FLITER, Neil Thomas FAIRWEATHER, Gang SI, David GOOD, Zheng-Zheng HUANG, Helen LU, Douglas ADELMAN
  • Patent number: 10866963
    Abstract: The present technology pertains to a organization directory hosted by a synchronized content management system. The corporate directory can provide access to user accounts for all members of the organization to all content items in the organization directory on the respective file systems of the members' client devices. Members can reach any content item at the same path as other members relative to the organization directory root on their respective client device. In some embodiments novel access permissions are granted to maintain path consistency.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: December 15, 2020
    Assignee: Dropbox, Inc.
    Inventors: Thomas Kleinpeter, Akos Albert, Helen Lu, Aaron Staley
  • Publication number: 20200301946
    Abstract: The present technology pertains to an organization directory hosted by a synchronized content management system. The corporate directory can provide access to user accounts for all members of the organization to all content items in the organization directory on the respective file systems of the members' client devices. Members can reach any content item at the same path as other members relative to the organization directory root on their respective client device. In some embodiments novel access permissions are granted to maintain path consistency.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 24, 2020
    Inventors: Thomas Kleinpeter, Akos Albert, Helen Lu, Aaron Staley