Patents by Inventor Gonglu Tian

Gonglu Tian 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: 11680228
    Abstract: Amides of an aliphatic polyamine with two or three molecules of 12-hydroxyoctadecanoic acid, wherein the polyamine comprises at least one primary amino group for each molecule of 12-hydroxyoctadecanoic acid and additionally at least one secondary and/or tertiary amino group, can be used in a lipase stable thickener composition comprising from 50 to 95% by weight of one or more of the amides, from 5 to 50% by weight of one or more diluents and from 0 to 10% by weight water, and such thickener compositions can be prepared by a step of heating a starting mixture comprising hydrogenated castor oil and one or more aliphatic polyamines and adding one or more diluents before or after the heating step.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: June 20, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Hans-Jürgen Köhle, Michael Klostermann, Gonglu Tian
  • Patent number: 10696935
    Abstract: Liquid detergent compositions can be stably structured using amides of an aliphatic polyamine with two, three or four molecules of fully saturated hydroxyl alkyl acids, even in the presence of hydrolysing detergent ingredients such as lipase enzyme.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: June 30, 2020
    Assignee: The Procter & Gamble
    Inventors: Liesbet Maria Cornelia Detroch, Susana Fernandez-Prieto, Vincenzoi Guida, Michael Klostermann, Hans-Jurgen Kohle, Bruno Jean-Pierre Matthys, Johan Smets, Gonglu Tian
  • Patent number: 10307732
    Abstract: The present invention relates to a fast particulate superabsorbent polymer composition comprising a polymer comprising a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8; and subsequent to subjecting the particulate superabsorbent polymer composition to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99, and a compressibility from 1.30 mm2/N to about 4 mm2/N as measured by the Compression Test, and wherein the particulate superabsorbent polymer composition may have a Vortex time of from 25 to 60 seconds and absorbency under load at 0.9 psi of from 15 to 21 g/g.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: June 4, 2019
    Assignee: Evonik Corporation
    Inventors: Gonglu Tian, Matthew Thomas Ondisco, David L. Bergman, Bernfried Messner, Scott J. Smith, Michael M. Azad, Mark Joy
  • Publication number: 20190161712
    Abstract: Liquid detergent compositions can be stably structured using amides of an aliphatic polyamine with two, three or four molecules of fully saturated hydroxyl alkyl acids, even in the presence of hydrolysing detergent ingredients such as lipase enzyme.
    Type: Application
    Filed: January 31, 2019
    Publication date: May 30, 2019
    Inventors: Liesbet Maria Cornelia Detroch, Susana Fernandez-Prieto, Vincenzoi Guida, Michael Klostermann, Hans-Jurgen Kohle, Bruno Jean-Pierre Matthys, Johan Smets, Gonglu Tian
  • Patent number: 10221379
    Abstract: Liquid detergent compositions can be stably structured using amides of an aliphatic polyamine with two, three or four molecules of fully saturated hydroxyl alkyl acids, even in the presence of hydrolyzing detergent ingredients such as lipase enzyme.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: March 5, 2019
    Assignee: The Procter & Gamble Company
    Inventors: Liesbet Maria Cornelia Detroch, Susana Fernandez-Prieto, Vincenzo Guida, Michael Klostermann, Hans-Jürgen Köhle, Bruno Jean-Pierre Matthys, Johan Smets, Gonglu Tian
  • Publication number: 20190055497
    Abstract: Amides of an aliphatic polyamine with two or three molecules of 12-hydroxyoctadecanoic acid, wherein the polyamine comprises at least one primary amino group for each molecule of 12-hydroxyoctadecanoic acid and additionally at least one secondary and/or tertiary amino group, can be used in a lipase stable thickener composition comprising from 50 to 95% by weight of one or more of the amides, from 5 to 50% by weight of one or more diluents and from 0 to 10% by weight water, and such thickener compositions can be prepared by a step of heating a starting mixture comprising hydrogenated castor oil and one or more aliphatic polyamines and adding one or more diluents before or after the heating step.
    Type: Application
    Filed: February 16, 2017
    Publication date: February 21, 2019
    Inventors: Hans-Jurgen Kohle, Michael KLOSTERMANN, Gonglu TIAN
  • Publication number: 20170247646
    Abstract: Liquid detergent compositions can be stably structured using amides of an aliphatic polyamine with two, three or four molecules of fully saturated hydroxyl alkyl acids, even in the presence of hydrolysing detergent ingredients such as lipase enzyme.
    Type: Application
    Filed: February 23, 2017
    Publication date: August 31, 2017
    Inventors: Liesbet Maria Cornelia DETROCH, Susana FERNANDEZ-PRIETO, Vincenzo GUIDA, Michael KLOSTERMANN, Hans-Jürgen KÖHLE, Bruno Jean-Pierre MATTHYS, Johan SMETS, Gonglu TIAN
  • Patent number: 9375507
    Abstract: The present invention relates to a particulate superabsorbent polymer composition comprising a polymer comprising a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has a mean particle size distribution of from 300 to 400 ?m, an original Free Swell Gel Bed Permeability (FSGBP) of about 20×10?8 cm2 to about 200×10?8 cm2; and subsequent to subjecting the particulate superabsorbent polymer composition to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99 and having particles having a particle diameter of larger than 600 ?m in an amount of less than about 15 wt % of the particulate superabsorbent polymer composition and as specified by standard sieve classification.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: June 28, 2016
    Assignee: Evonik Corporation
    Inventors: Gonglu Tian, Matthew Thomas Ondisco, David L. Bergman, Bernfried Messner, Scott J. Smith, Mark Joy
  • Patent number: 9302248
    Abstract: The present invention relates to a particulate superabsorbent polymer composition having improved stability comprising a polymer comprising from about 0.01 wt % to about 5 wt % of a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has an original Free Swell Gel Bed Permeability (FSGBP) of about 20×10?8 cm2 to about 200×10?8 cm2 and a compressibility of from about 1.30 mm2/N to about 4 mm2/N prior to subjecting the particulate superabsorbent polymer composition to a Processing Test; and subsequent to subjecting the particulate superabsorbent polymer composition to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99.
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: April 5, 2016
    Assignee: Evonik Corporation
    Inventors: Gonglu Tian, Matthew Thomas Ondisco, David L. Bergman, Bernfried Messner, Scott J. Smith
  • Publication number: 20160060418
    Abstract: The present invention relates to a fast particulate superabsorbent polymer composition comprising a polymer comprising a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8; and subsequent to subjecting the particulate superabsorbent polymer composition to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99, and a compressibility from 1.30 mm2/N to about 4 mm2/N as measured by the Compression Test, and wherein the particulate superabsorbent polymer composition may have a Vortex time of from 25 to 60 seconds and absorbency under load at 0.9 psi of from 15 to 21 g/g.
    Type: Application
    Filed: April 7, 2014
    Publication date: March 3, 2016
    Inventors: Gonglu Tian, Matthew Thomas Ondisco, David L. Bergman, Bernfried Messner, Scott J. Smith, Michael M. Azad, Mark Joy
  • Patent number: 9102806
    Abstract: The present invention relates to a particulate superabsorbent polymer composition which absorbs water, aqueous liquids, and blood, and a process to make the superabsorbent polymers, wherein a superabsorbent polymer is surface treated with a neutralized multivalent metal salt solution having a pH value similar as that of human skin. The present invention also relates to particulate superabsorbent polymer composition having high Gel Bed Permeability and high Absorbency Under Load.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: August 11, 2015
    Assignee: Evonik Corporation
    Inventors: Yaru Shi, Gonglu Tian, Mark Joy, Geoff Blake, Scott Smith, Bernfried Messner
  • Publication number: 20140316040
    Abstract: The present invention relates to a particulate superabsorbent polymer composition which absorbs water, aqueous liquids, and blood, and a process to make the superabsorbent polymers, wherein a superabsorbent polymer is surface treated with a neutralized multivalent metal salt solution having a pH value similar as that of human skin. The present invention also relates to particulate superabsorbent polymer composition having high Gel Bed Permeability and high Absorbency Under Load.
    Type: Application
    Filed: July 2, 2014
    Publication date: October 23, 2014
    Applicant: EVONIK CORPORATION
    Inventors: Yaru Shi, Gonglu Tian, Mark Joy, Geoff Blake, Scott Smith, Bernfried Messner
  • Publication number: 20140306156
    Abstract: The present invention relates to a particulate superabsorbent polymer composition comprising a polymer comprising a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has a mean particle size distribution of from 300 to 400 ?m, an original Free Swell Gel Bed Permeability (FSGBP) of about 20×10?8 cm2 to about 200×10?8 cm2; and subsequent to subjecting the particulate superabsorbent polymer composition to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99 and having particles having a particle diameter of larger than 600 ?m in an amount of less than about 15 wt % of the particulate superabsorbent polymer composition and as specified by standard sieve classification.
    Type: Application
    Filed: January 17, 2014
    Publication date: October 16, 2014
    Applicant: EVONIK CORPORATION
    Inventors: Gonglu Tian, Matthew Thomas Ondisco, David L. Bergman, JR., Bernfried Messner, Scott J. Smith
  • Publication number: 20140306155
    Abstract: The present invention relates to a particulate superabsorbent polymer composition having improved stability comprising a polymer comprising from about 0.01 wt % to about 5 wt % of a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has an original Free Swell Gel Bed Permeability (FSGBP) of about 20×10?8 cm2 to about 200×10?8 cm2 and a compressibility of from about 1.30 mm2/N to about 4 mm2/N prior to subjecting the particulate superabsorbent polymer composition to a Processing Test; and subsequent to subjecting the particulate superabsorbent polymer composition to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99.
    Type: Application
    Filed: April 10, 2013
    Publication date: October 16, 2014
    Applicant: EVONIK CORPORATION
    Inventors: Gonglu Tian, Matthew Thomas Ondisco, David L. Bergman, JR., Bernfried Messner, Scott J. Smith
  • Publication number: 20140309606
    Abstract: The present invention relates to an absorbent article containing a topsheet; backsheet; an absorbent core disposed between the topsheet and backsheet, the absorbent core comprising a particulate superabsorbent polymer composition having improved stability comprising a polymer comprising from about 0.01 wt % to about 5 wt % of a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer composition; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has an original Free Swell Gel Bed Permeability (FSGBP) of about 20×10?8 cm2 to about 200×10?8 cm2 and a compressibility of from about 1.30 cm2/N to about 4 cm2/N prior to subjecting the particulate superabsorbent polymer composition to a Processing Test; and subsequent to subjecting to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.
    Type: Application
    Filed: April 10, 2013
    Publication date: October 16, 2014
    Inventors: Sandra Ann Richlen, Aster Ellen Kammrath, Gonglu Tian, Matthew Thomas Ondisco, David L. Bergman, JR., Bernfried Messner, Scott J. Smith
  • Publication number: 20140309607
    Abstract: The present invention relates to an absorbent article containing a particulate superabsorbent polymer composition having improved stability comprising a polymer comprising from about 0.01 wt % to about 5 wt % of a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has a mean particle size distribution of from 300 to 400 ?m, an original Free Swell Gel Bed Permeability (FSGBP) of about 20×10?8 cm2 to about 200×10?8 cm2 and a compressibility of from about 1.30 cm2/N to about 4 cm2/N; and the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99 and having particles having a particle diameter of larger than 600 ?m in an amount of less than about 15 wt % of the particulate superabsorbent polymer composition.
    Type: Application
    Filed: January 17, 2014
    Publication date: October 16, 2014
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventors: Sandra Ann Richlen, Aster Ellen Kammrath, Gonglu Tian, Matthew Thomas Ondisco, David L. Bergman, JR., Bernfried Messner, Scott J. Smith
  • Patent number: 8802786
    Abstract: The present invention relates to a particulate superabsorbent polymer composition which absorbs water, aqueous liquids, and blood, and a process to make the superabsorbent polymers, wherein a superabsorbent polymer is surface treated with a neutralized multivalent metal salt solution having a pH value similar as that of human skin. The present invention also relates to particulate superabsorbent polymer composition having high Gel Bed Permeability and high Absorbency Under Load.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: August 12, 2014
    Assignee: Evonik Corporation
    Inventors: Yaru Shi, Gonglu Tian, Mark Joy, Geoff Blake, Scott Smith, Bernfried Messner
  • Publication number: 20140155259
    Abstract: The present invention relates to a particulate superabsorbent polymer comprising a monomer and an internal crosslinker agent wherein the particulate superabsorbent polymer has a Centrifuge Retention Capacity Increase of 2 g/g or more as set forth herein in the Centrifuge Retention Capacity Increase Test. The present invention further relates to a superabsorbent polymer comprising an internal crosslinker agent comprising a silane compound comprising at least one vinyl group or one allyl group attached to a silicon atom, and at least one Si—O bond. The present invention further relates to an absorbent article that includes such particulate superabsorbent polymers.
    Type: Application
    Filed: January 23, 2014
    Publication date: June 5, 2014
    Applicant: Evonik Stockhausen, LLC
    Inventors: Gonglu Tian, David L. Bergman, JR., Yaru Shi
  • Patent number: 8734948
    Abstract: The present invention relates to absorbent compositions which exhibit swelling, deswelling, and reswelling behavior. More specifically, absorbent compositions of this invention swell and absorb fluids after exposure to aqueous fluids, deswell and release fluids from the swollen absorbent compositions, and may also reswell and absorb fluids. The swelling-deswelling-reswelling behavior allows enhanced liquid distribution in absorbent composites.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: May 27, 2014
    Assignee: Evonik Stockhausen, LLC
    Inventors: Gonglu Tian, Scott J. Smith, Yaru Shi, Richard N. Dodge, Jian Qin
  • Patent number: 8703645
    Abstract: A process for producing a polysaccharide superabsorbent particulate including the process steps of bringing into contact a polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel drying the polysaccharide gel, comminuting the dried polysaccharide gel to form polysaccharide superabsorbent polymer particles, coating the particles with a polyphosphate or polyphosphoric acid, crosslinking the coated particles, and surface treating the particulate with a metal multivalent salt or an acid. The invention further relates to a polysaccharide superabsorbent polymer particulate obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the polysaccharide superabsorbent particulates or of the composites as well as the use of polyphosphates.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: April 22, 2014
    Assignee: Evonik Corporation
    Inventors: Gonglu Tian, Xinyuan Yang, Scott J. Smith