Patents by Inventor Yuhong Hu

Yuhong Hu 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: 20240018393
    Abstract: The invention provides hydrophilic hot melt adhesive composition with improved water wetting properties. The hydrophilic hot melt adhesive is particularly suitable in the manufacture of disposable nonwoven articles.
    Type: Application
    Filed: August 17, 2023
    Publication date: January 18, 2024
    Inventors: Jinyu Chen, Gueltekin Erdem, Yuhong Hu, Torsten Lindner
  • Publication number: 20230312998
    Abstract: Hot melt adhesive compositions prepared with a mixture of propylene copolymers are disclosed. The hot melt adhesive compositions require little to no oil content while providing high cohesion and excellent adhesion to nonwoven substrates and polymeric films. The hot melt adhesive compositions are particularly suitable for manufacturing absorbent construction articles.
    Type: Application
    Filed: May 31, 2023
    Publication date: October 5, 2023
    Inventors: Darshak Desai, Yuhong Hu
  • Publication number: 20220265892
    Abstract: Absorbent articles, such as diapers or sanitary napkins, comprising a hydrophilic hot melt adhesive with water wetting properties. The hydrophilic hot melt adhesive comprises an ethylene copolymer selected from the group consisting of ethylene vinyl acetate, ethylene n-butyl acrylate, ethylene octene, ethylene propylene, ethylene butene propylene, and mixtures thereof and a nonionic, fatty alcohol ethoxylate surfactant. The hot melt adhesive is particularly suitable for bonding a nonwoven to another component of the article.
    Type: Application
    Filed: February 22, 2022
    Publication date: August 25, 2022
    Inventors: Torsten LINDNER, Gültekin ERDEM, Jinyu CHEN, Yuhong HU
  • Patent number: 11375771
    Abstract: Disposable insole pads and use thereof are disclosed. The disposable insole pads are multilayer structures comprising a topsheet and a pressure sensitive adhesive, and optionally a backsheet, silicone coating and liner layers. The pressure sensitive adhesive layer allows the disposable insole pads to be positioned, repositioned and removed, making them well suited for daily use and disposal.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: July 5, 2022
    Assignee: HENKEL AG & CO. KGaA
    Inventors: Sun Hee Lehmann, Yuhong Hu, Cynthia Cain, Michael Harwell, Joanne Georgiana
  • Patent number: 11306226
    Abstract: The sprayable olefin-based hot melt adhesive and absorbent articles comprising the adhesive are disclosed. The sprayable olefin-based hot melt adhesive is particularly suitable for spraying at low application temperatures. The sprayable low application temperature hot melt adhesives have high green strength, excellent bond strength and aging performance. Moreover, the sprayable low application temperature hot melt adhesives allows for thin bond lines without bleed-through and burn-through risks for heat-sensitive substrates.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: April 19, 2022
    Assignee: Henkel AG & Co. KGaA
    Inventors: Yuhong Hu, Darshak R. Desai, Jinyu Chen, Matthew L. Sharak
  • Publication number: 20210339296
    Abstract: An electric sanitizing device and method for cleaning an item, the electric sanitizing device comprising: a lid having an ultraviolet lamp disposed above a transparent glass window, a spray nozzle, and a vent housing an activated carbon filter; a body attached below the lid, the body comprising a cleaning chamber having a contact tank, a dispersion stone and a water inlet, a retention plate, a filter plate sitting atop the retention plate, a basket sitting atop the filter plate, and a control panel; and an electronics compartment disposed below the body, the electronics compartment comprising an ozone generator having an air pump, a rotating motor adapted to rotate the basket, a water pump adapted to pump water to the spray nozzle, and a controller adapted to operate the ozone generator, the UV lamp, the rotating motor and the water pump according to a user's commands entered via the control panel.
    Type: Application
    Filed: May 1, 2020
    Publication date: November 4, 2021
    Inventors: Yuhong Hu, Terrance Mulgrew
  • Patent number: 11161158
    Abstract: An electric sanitizing device and method for cleaning an item, the electric sanitizing device comprising: a lid having an ultraviolet lamp disposed above a transparent glass window, a spray nozzle, and a vent housing an activated carbon filter; a body attached below the lid, the body comprising a cleaning chamber having a contact tank, a dispersion stone and a water inlet, a retention plate, a filter plate sitting atop the retention plate, a basket sitting atop the filter plate, and a control panel; and an electronics compartment disposed below the body, the electronics compartment comprising an ozone generator having an air pump, a rotating motor adapted to rotate the basket, a water pump adapted to pump water to the spray nozzle, and a controller adapted to operate the ozone generator, the UV lamp, the rotating motor and the water pump according to a user's commands entered via the control panel.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: November 2, 2021
    Inventors: Yuhong Hu, Terrance Mulgrew
  • Patent number: 10857771
    Abstract: Stretch laminate hot melt adhesives and stretch laminates are described. The stretch laminate hot melt adhesives are suitable for adhering elastic materials with inelastic substrates, and allow permanent deformation of the inelastic substrate and extensions and retractions of the elastic materials. The stretch laminate hot melt adhesive is particularly suitable for back ear lamination for disposable absorbent articles.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: December 8, 2020
    Assignees: HENKEL AG & CO. KGAA, HENKEL IP & HOLDING GMBH
    Inventors: Marc Hamm, Jinyu Chen, Yuhong Hu, Andy Swain, Jennifer Thatcher, Torsten Lindner, Matthias Morand, Robert Haines Turner, Ebrahim Rezai
  • Publication number: 20190343228
    Abstract: Disposable insole pads and use thereof are disclosed. The disposable insole pads are multilayer structures comprising a topsheet and a pressure sensitive adhesive, and optionally a backsheet, silicone coating and liner layers. The pressure sensitive adhesive layer allows the disposable insole pads to be positioned, repositioned and removed, making them well suited for daily use and disposal.
    Type: Application
    Filed: July 24, 2019
    Publication date: November 14, 2019
    Inventors: Sun Hee LEHMANN, Yuhong HU, Cynthia CAIN, Michael HARWELL, Joanne GEORGIANA
  • Patent number: 10364079
    Abstract: Propylene polymer based packaging films for encapsulating hot melt adhesives are disclosed. The packaging films are readily miscible with the various hot melt adhesive chemistries during the melting stage without deleteriously affecting the adhesive properties, making the packaging film particularly well suited for packaging hot melt adhesives in a pillow, cylinder, pouch, block, cartridge and like forms.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: July 30, 2019
    Assignee: HENKEL IP & HOLDING GMBH
    Inventors: Jinyu Chen, Yuhong Hu, Darshak Desai
  • Patent number: 10138398
    Abstract: The invention relates to a low application temperature hot melt adhesive. More specifically, the low application temperature hot melt adhesive comprises olefin copolymers with an average Melt Index greater than 5 but less than about 35 g/10 minutes at 190° C. The adhesive is particularly useful in the construction of nonwoven articles.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: November 27, 2018
    Assignee: HENKEL IP & HOLDING GMBH
    Inventors: Yuhong Hu, Maria Xenidou, Alethea Pollock-Downer, Matthew Sharak, Maria Cristina Barbosa DeJesus
  • Publication number: 20180148615
    Abstract: The invention relates to a low application temperature hot melt adhesive. More specifically, the low application temperature hot melt adhesive comprises olefin copolymers with an average Melt Index greater than 5 but less than about 35 g/10 minutes at 190° C. The adhesive is particularly useful in the construction of nonwoven articles.
    Type: Application
    Filed: January 25, 2018
    Publication date: May 31, 2018
    Inventors: Yuhong Hu, Maria Xenidou, Alethea Pollock-Downer, Matthew Sharak, Maria Cristina Barbosa DeJesus
  • Patent number: 9914857
    Abstract: The invention relates to a low application temperature hot melt adhesive. More specifically, the low application temperature hot melt adhesive comprises olefin copolymers with an average Melt Index greater than 5 but less than about 35 g/10 minutes at 190° C. The adhesive is particularly useful in the construction of nonwoven articles.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: March 13, 2018
    Assignee: HENKEL IP & HOLDING GMBH
    Inventors: Yuhong Hu, Maria Xenidou, Alethea Pollock-Downer, Matthew Sharak, Maria Cristina Barbosa DeJesus
  • Publication number: 20180029344
    Abstract: Stretch laminate hot melt adhesives and stretch laminates are described. The stretch laminate hot melt adhesives are suitable for adhering elastic materials with inelastic substrates, and allow permanent deformation of the inelastic substrate and extensions and retractions of the elastic materials. The stretch laminate hot melt adhesive is particularly suitable for back ear lamination for disposable absorbent articles.
    Type: Application
    Filed: August 30, 2017
    Publication date: February 1, 2018
    Inventors: Marc HAMM, Jinyu Chen, Yuhong Hu, Andy Swain, Jennifer Thatcher, Torsten Lindner, Matthias MORAND, Robert Haines TURNER, Ebrahim REZAI
  • Publication number: 20180002579
    Abstract: The sprayable olefin-based hot melt adhesive and absorbent articles comprising the adhesive are disclosed. The sprayable olefin-based hot melt adhesive is particularly suitable for spraying at low application temperatures. The sprayable low application temperature hot melt adhesives have high green strength, excellent bond strength and aging performance. Moreover, the sprayable low application temperature hot melt adhesives allows for thin bond lines without bleed-through and burn-through risks for heat-sensitive substrates.
    Type: Application
    Filed: September 19, 2017
    Publication date: January 4, 2018
    Inventors: Yuhong HU, Darshak R. DESAI, Jinyu CHEN, Matthew L. Sharak
  • Patent number: 9695341
    Abstract: Adhesives, methods to bond substrates together with the adhesives, and articles of manufacture comprising the adhesives are described. It has been discovered that an adhesive with a polymer content greater than 70 weight percent can be formulated with a blend of (i) a metallocene catalyzed polypropylene polymer that has a density range of about 0.70 to about 0.91 g/cm3 and a melt viscosity less than 50,000 cP at 190° C. and (ii) a Ziegler-Natta catalyzed amorphous polybutene and/or polypropylene copolymer. Such adhesives have high creep resistance making them particularly well suited for disposable personal care garments.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: July 4, 2017
    Assignee: HENKEL IP & HOLDING GMBH
    Inventors: Jennifer Thatcher, Yuhong Hu, Darshak Desai
  • Patent number: 9546304
    Abstract: It has been discovered that amorphous polybutene copolymers that have a softening point of from about 70 to about 105° C. and viscosity of less than about 1,900 cP at 190° C. possesses desirable properties and may be used to make a low application temperature hot melt adhesive for disposable absorbent articles.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: January 17, 2017
    Assignee: HENKEL IP & HOLDING GMBH
    Inventors: Yuhong Hu, Charles W. Paul, Darshak Desai, Salvador Alvarado
  • Publication number: 20160256592
    Abstract: Stretch laminate hot melt adhesives and stretch laminates are described. The stretch laminate hot melt adhesives are suitable for adhering elastic materials with inelastic substrates, and allow permanent deformation of the inelastic substrate and extensions and retractions of the elastic materials. The stretch laminate hot melt adhesive is particularly suitable for back ear lamination for disposable absorbent articles.
    Type: Application
    Filed: March 1, 2016
    Publication date: September 8, 2016
    Inventors: Torsten LINDNER, Matthias MORAND, Robert Haines TURNER, Ebrahim REZAI, Marc HAMM, Jinyu CHEN, Yuhong HU, Andy SWAIN, Jennifer THATCHER
  • Publication number: 20160257028
    Abstract: The present invention relates to a process for producing free-flowing, agglomeration resistant amorphous poly-alpha-olefin based adhesive pellets. The process includes (a) extruding the adhesive through an orifice of a die plate immersed in a cooling fluid; (b) cutting the adhesive into a plurality of pellets in the cooling fluid; (c) solidifying the pellets at a temperature range of about 25° C. to about 40° C. for at least 30 minutes; and (d) separating the pellets from the recrystallization fluid and drying the pellets. The pellets harden at least three folds faster than conventionally formed pellets.
    Type: Application
    Filed: May 16, 2016
    Publication date: September 8, 2016
    Inventors: Darshak DESAI, Yuhong Hu, Ken Gaspar, Ed Hantwerker
  • Patent number: 9364985
    Abstract: The present invention relates to a process for producing free-flowing, agglomeration resistant amorphous poly-alpha-olefin based adhesive pellets. The process includes (a) extruding the adhesive through an orifice of a die plate immersed in a cooling fluid; (b) cutting the adhesive into a plurality of pellets in the cooling fluid; (c) solidifying the pellets at a temperature range of about 25° C. to about 40° C. for at least 30 minutes; and (d) separating the pellets from the recrystallization fluid and drying the pellets. The pellets harden at least three folds faster than conventionally formed pellets.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 14, 2016
    Assignee: HENKEL IP & HOLDING GMBH
    Inventors: Darshak Desai, Yuhong Hu, Ken Gaspar, Ed Hantwerker