Patents by Inventor Deirdre Ledwith

Deirdre Ledwith 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).

  • SEALANT MATERIAL
    Publication number: 20230220254
    Abstract: A sealant material for sealing joints between male and female mating parts comprising: (a) an elongate flexible thread suitable for wrapping around at least one of the parts, and (b) a joint sealing composition comprising an anaerobically curable composition in solid form, the flexible thread being coated with the anaerobically curable composition. This provides a reactive composition on the thread for sealing joints.
    Type: Application
    Filed: March 22, 2023
    Publication date: July 13, 2023
    Inventors: Deirdre Ledwith, Laura Vaissaud, Michael Doherty, James Houlihan, Brendan Kneafsey
  • Sealant material
    Patent number: 11618841
    Abstract: A sealant material for sealing joints between male and female mating parts comprising: (a) an elongate flexible thread suitable for wrapping around at least one of the parts, and (b) a joint sealing composition comprising an anaerobically curable composition in solid form, the flexible thread being coated with the anaerobically curable composition. This provides a reactive composition on the thread for sealing joints.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: April 4, 2023
    Assignee: Henkel AG & Co. KGaA
    Inventors: Deirdre Ledwith, Laura Vaissaud, Michael Doherty, James Houlihan, Brendan Kneafsey
  • (METH)ACRYLATE-FUNCTIONALIZED WAXES AND CURABLE COMPOSITIONS MADE THEREWITH
    Publication number: 20220089800
    Abstract: The present invention relates to (meth)acrylate-functionalized waxes and curable compositions, such as anaerobic adhesive compositions, made therewith.
    Type: Application
    Filed: June 14, 2021
    Publication date: March 24, 2022
    Inventors: David Dworak, Deirdre Ledwith
  • Anaerobically curable compositions
    Patent number: 10526509
    Abstract: An anaerobically curable composition comprising an anaerobically curable component that is a combination of a solid resin component and a solid anaerobically curable monomer. A curing component for curing the anaerobically curable component is included. The composition is solid and has a melting point in the range from 30° C. to 100° C. The composition is dry to touch and can be used to form articles of manufacture such as a tape, an elongate filament, a gasket, a patch.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: January 7, 2020
    Assignee: Henkel IP & Holding GmbH
    Inventors: Deirdre Ledwith, Aimee Hynes, Ruairi O'Kane, David Mullen, Niamh Bergin, David Dworak, Martin Fitzpatrick, Peter Wrobel, Brendan Kneafsey, Jim Houlihan, Michael Doherty, Mark Loane
  • SEALANT MATERIAL
    Publication number: 20190241781
    Abstract: A sealant material for sealing joints between male and female mating parts comprising: (a) an elongate flexible thread suitable for wrapping around at least one of the parts, and (b) a joint sealing composition comprising an anaerobically curable composition in solid form, the flexible thread being coated with the anaerobically curable composition. This provides a reactive composition on the thread for sealing joints.
    Type: Application
    Filed: April 17, 2019
    Publication date: August 8, 2019
    Inventors: Deirdre Ledwith, Laura Vaissaud, Michael Doherty, James Houlihan, Brendan Kneafsey
  • Anaerobic curable compositions
    Patent number: 10227507
    Abstract: Anaerobic curable compositions are provided, which comprise a (meth)acrylate component, at least a portion which comprises (meth)acrylate-functionalized isosorbide, and methods of their production and use.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: March 12, 2019
    Assignee: Henkel IP & Holding GmbH
    Inventors: Ruairi O'Kane, Deirdre Ledwith, Aimee Hynes, Andrew D. Messana
  • ANAEROBICALLY CURABLE COMPOSITIONS
    Publication number: 20180237661
    Abstract: An anaerobically curable composition comprising an anaerobically curable component that is a combination of a solid resin component and a solid anaerobically curable monomer. A curing component for curing the anaerobically curable component is included. The composition is solid and has a melting point in the range from 30° C. to 100° C. The composition is dry to touch and can be used to form articles of manufacture such as a tape, an elongate filament, a gasket, a patch.
    Type: Application
    Filed: April 23, 2018
    Publication date: August 23, 2018
    Inventors: Deirdre Ledwith, Aimee Hynes, Ruairi O'Kane, David Mullen, Niamh Bergin, David Dworak, Martin Fitzpatrick, Peter Wrobel, Brendan Kneafsey, Jim Houlihan, Michael Doherty, Mark Loane
  • Bonding compositions
    Patent number: 9909039
    Abstract: There is provided a curable composition comprising one or more reactive components that cure upon exposure to suitable conditions, the curable composition comprising: (i) at least one aromatic nitroso or at least one aromatic nitroso precursor compound or combinations thereof; and (ii) a film former component comprising at least one non-halogenated hydroxy group-containing resin together with at least one crosslinking agent.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: March 6, 2018
    Assignee: Henkel IP Holding GmbH
    Inventors: Darren Nolan, Eimear Fleming, Deirdre Ledwith, Brendan Kneafsey, John Walsh, Eimear Finnigan
  • ANAEROBIC CURABLE COMPOSITIONS
    Publication number: 20180057713
    Abstract: Anaerobic curable compositions are provided, which comprise a (meth)acrylate component, at least a portion which comprises (meth)acrylate-functionalized isosorbide, and methods of their production and use.
    Type: Application
    Filed: October 3, 2017
    Publication date: March 1, 2018
    Inventors: Ruairi O'Kane, Deirdre Ledwith, Aimee Hynes, Andrew D. Messana
  • (METH)ACRYLATE-FUNCTIONALIZED EXTENDED ISOSORBIDE
    Publication number: 20180022848
    Abstract: The present invention relates to curable polyurethane polymers made from renewable materials. In particular isosorbide derived from glucose is used. These renewable materials may be formed into curable polyurethane polymer compositions having different chemical functionalities and cure mechanisms.
    Type: Application
    Filed: October 3, 2017
    Publication date: January 25, 2018
    Inventors: David P. Dworak, Darel Gustafson, David Mullen, Andrew D. Messana, Aimee Hynes, Deirdre Ledwith, Ruairi O'Kane
  • Bonding composition comprising a sulfur impregnated particulate solid
    Patent number: 9790348
    Abstract: There is provide a curable composition comprising a) one or more reactive components that cure upon exposure to suitable conditions, and b) a sulfur impregnated particulate solid which acts as a release agent for sulfur during the cure process; and c) optionally a solvent.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: October 17, 2017
    Assignees: Henkel AG & Co. KGaA, Henkel IP & Holding GmbH
    Inventors: Wolfgang Weimar, Rainer Wefringhaus, Eimear Fleming, Darren Nolan, Markus Robler, Deirdre Ledwith
  • BONDING COMPOSITIONS
    Publication number: 20160347974
    Abstract: There is provided a curable composition comprising one or more reactive components that cure upon exposure to suitable conditions, the curable composition comprising: (i) at least one aromatic nitroso or at least one aromatic nitroso precursor compound or combinations thereof; and (ii) a film former component comprising at least one non-halogenated hydroxy group-containing resin together with at least one crosslinking agent.
    Type: Application
    Filed: March 13, 2015
    Publication date: December 1, 2016
    Inventors: Darren Nolan, Eimear Fleming, Deirdre Ledwith, Brendan Kneafsey, John Walsh, Eimear Finnigan
  • BONDING OR VULCANISATION COMPOSITIONS
    Publication number: 20160160093
    Abstract: A particulate material which is a particulate carrier material optionally comprising one or more hydroxyl groups to which a nitroso or nitroso precursor compound is bonded. A desirable particulate carrier material is a silicaceous material, for example, silica. Such materials are useful in bonding of elastomeric materials such as rubber and in vulcanisation.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 9, 2016
    Inventors: Eimear Fleming, Darren Nolan, Brendan Kneafsey, Deirdre Ledwith
  • BONDING COMPOSITION COMPRISING A SULFUR IMPREGNATED PARTICULATE SOLID
    Publication number: 20150183966
    Abstract: There is provide a curable composition comprising a) one or more reactive components that cure upon exposure to suitable conditions, and b) a sulfur impregnated particulate solid which acts as a release agent for sulfur during the cure process; and c) optionally a solvent
    Type: Application
    Filed: March 13, 2015
    Publication date: July 2, 2015
    Inventors: Wolfgang Weimar, Rainer Wefringhaus, Eimear Fleming, Darren Nolan, Markus Robler, Deirdre Ledwith