Patents by Inventor Michael Harwell

Michael Harwell 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).

  • Hot melt adhesive composition and use thereof
    Patent number: 11945978
    Abstract: The invention is related to fast setting, bio-based hot melt adhesive compositions and use thereof. The bio-based hot melt adhesive compositions are based on renewable-based feedstock, making them environmentally friendly, and particularly suitable for sealing cardboard case, carton, and cardboards.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: April 2, 2024
    Assignees: Henkel AG & CO. KGaA, Ingevity UK LTD., PURAC Biochem B.V.
    Inventors: Patrick Hayes, Michael Harwell, Jennifer Plummer
  • Disposable insole pads and use thereof
    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
  • HOT MELT ADHESIVE COMPOSITION AND USE THEREOF
    Publication number: 20210292619
    Abstract: The invention is related to fast setting, bio-based hot melt adhesive compositions and use thereof. The bio-based hot melt adhesive compositions are based on renewable-based feedstock, making them environmentally friendly, and particularly suitable for sealing cardboard case, carton, and cardboards.
    Type: Application
    Filed: June 10, 2021
    Publication date: September 23, 2021
    Inventors: Patrick HAYES, Michael Harwell, Jennifer Plummer
  • HIGH PERFORMANCE HOT MELT ADHESIVES AND USES THEREOF
    Publication number: 20190382620
    Abstract: A high performance hot melt adhesive composition with higher heat stress and higher adhesion values at lower temperatures than a conventional hot melt adhesive is provided. Smaller quantities of the high performance hot melt may be used to provide similar performances as conventional hot melt adhesives.
    Type: Application
    Filed: August 30, 2019
    Publication date: December 19, 2019
    Inventors: Chuiwah Alice Cheung, Michael Harwell, Andrea Maria Paredes Torres
  • Disposable Insole Pads and Use Thereof
    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
  • Low application temperature hot melt adhesive
    Publication number: 20070173153
    Abstract: A low application temperature rubber-based hot melt adhesive having properties particularly well suited for use in the construction of disposable articles has been invented. The adhesive comprises a styrene block copolymer and a type of wax in an amount effective to produce a viscosity at 120° C. of below about 10,000 centipoises, a cube flow at 130° F. (54° C.) of less than about 300%, a DSC crystallization temperature of less than about 75° C. and a storage modulus of less than about 1.0×107 dynes/cm2 at 10 rads/sec (25° C.).
    Type: Application
    Filed: March 12, 2007
    Publication date: July 26, 2007
    Inventors: Charles Paul, Matthew Sharak, Leisa Ryan, Maria Xenidou, Michael Harwell, Qiwei He
  • Adhesive containing block copolymers
    Publication number: 20070117934
    Abstract: Hot melt adhesive compositions containing a polystyrene-polyisoprene/polybutadiene-polystyrene block copolymer and its use in the manufacture of disposable absorbent articles. The adhesive comprises a thermoplastic polystyrene-polyisoprene/polybutadiene-polystyrene block copolymer having a styrene content of at least 25 wt % and a diblock percentage of less than 30%, a second thermoplastic block copolymer and a tackifier.
    Type: Application
    Filed: November 21, 2005
    Publication date: May 24, 2007
    Inventors: Qiwei He, Michael Harwell
  • Adhesive containing radial block copolymer
    Publication number: 20050182194
    Abstract: Hot melt adhesive compositions containing radial polystyrene-polyisoprene block copolymer and use as elastic attachment adhesive in the manufacture of disposable absorbent elastic articles.
    Type: Application
    Filed: February 13, 2004
    Publication date: August 18, 2005
    Inventors: Qiwei He, Michael Harwell
  • Elastic attachment adhesive containing radial block copolymer
    Publication number: 20050181207
    Abstract: Hot melt adhesive compositions containing radial polystyrene-polyisoprene/polybutadiene block copolymer and use as elastic attachment adhesive in the manufacture of disposable absorbent elastic articles.
    Type: Application
    Filed: February 13, 2004
    Publication date: August 18, 2005
    Inventors: Qiwei He, Michael Harwell
  • Adhesive containing radial block copolymer
    Publication number: 20050182183
    Abstract: Hot melt adhesive compositions containing radial polystyrene-polyisoprene/polybutadiene block copolymer and use as elastic attachment adhesive in the manufacture of disposable absorbent elastic articles.
    Type: Application
    Filed: February 13, 2004
    Publication date: August 18, 2005
    Inventors: Qiwei He, Michael Harwell
  • Substrates containing adhesion promoting additives and articles prepared therewith
    Publication number: 20050176872
    Abstract: Adhesion of an adhesive to a substrate can be improved by incorporating into the substrate an adhesion-enhancing amount of an adhesion promoter.
    Type: Application
    Filed: January 31, 2005
    Publication date: August 11, 2005
    Applicant: INVISTA North America S.a r.l.
    Inventors: Kenneth Martin, Tahir Iqbal, Qiwei He, Michael Harwell
  • Ionomer-containing hot melt adhesive
    Publication number: 20050176868
    Abstract: Adhesives comprising up to about 40 wt % of an ionomer can be applied at low temperatures and exhibit good bond strength. The adhesives are particularly useful as elastic attachment adhesives.
    Type: Application
    Filed: February 6, 2004
    Publication date: August 11, 2005
    Inventors: Qiwei He, Michael Harwell, Ju-ming Hung, kenneth Martin, Tahir Iqbal, Sam Samuels
  • Low application temperature elastic attachment adhesive
    Publication number: 20050176867
    Abstract: Low application temperature thermoplastic hot melt adhesives are particularly useful as elastic attachment adhesives. The adhesives have a viscosity at 275° F. of less than about 8,000 cp, a yield stress of less than about than 80 psi and a creep performance for a bond made through strand coating of less than about 15%. Preferred are adhesives that have a creep performance for a bond made through spiral coating of less than about 25%.
    Type: Application
    Filed: February 6, 2004
    Publication date: August 11, 2005
    Inventors: Qiwei He, Michael Harwell, Ju-ming Hung, Martin Riswick, Wei Kong, Kenneth Martin, Tahir Iqbal
  • Hot melt adhesive containing a neutralizing additive
    Publication number: 20050032963
    Abstract: Hot melt adhesives comprising an effective amount of a neutralizing additive is useful in the manufacture of absorbent articles, such as diapers/training pants and feminine hygiene products. The added material has a closed cup flash point of greater than 100° F., most preferably a closed cup flash point of greater than 200° F.
    Type: Application
    Filed: August 6, 2003
    Publication date: February 10, 2005
    Inventors: Michael Harwell, Jennifer Thatcher, Robert McCauley
  • Scented hot melt adhesives
    Publication number: 20030195272
    Abstract: Hot melt adhesives comprising an effective amount of a non-encapsulated fragrance is useful in the manufacture of absorbent articles, such as diapers/training pants and feminine hygiene products. The scented material has a closed cup flash point of greater than 100° F., most preferably a closed cup flash point of greater than 200° F.
    Type: Application
    Filed: February 1, 2001
    Publication date: October 16, 2003
    Inventors: Michael Harwell, Diane Montgomery, Leisa Ryan