Patents by Inventor David John Pung

David John Pung 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: 20240115104
    Abstract: The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam includes from about 0.1 to about 5 weight % of at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10,000 g/mol. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.
    Type: Application
    Filed: December 7, 2023
    Publication date: April 11, 2024
    Inventors: David John PUNG, Megan Showell ROBERTS, Johann Martin SZEIFERT
  • Patent number: 11896179
    Abstract: Fibrous structures containing filaments and optionally, solid additives, wherein the pre-moistened fibrous structures exhibit wet compressive modulus values that are superior to known pre-moistened fibrous structures as measured according to the Wet Compressive Modulus Test Method described herein and methods for making same are provided.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: February 13, 2024
    Assignee: The Procter & Gamble Company
    Inventors: Fei Wang, Michael Donald Suer, John Daniel Algers, Steven Lee Barnholtz, Douglas Jay Barkey, Christopher Michael Young, Hailing Bao, Cunming Song, Antonius Lambertus DeBeer, David John Pung, Paul Thomas Weisman, Timothy James Klawitter
  • Patent number: 11877710
    Abstract: The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam cleaning implement has a d90/d10 ratio above 1.65 and a compression deflection force above 3.25 psi. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: January 23, 2024
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Megan Showell Roberts, Johann Martin Szeifert
  • Patent number: 11877709
    Abstract: The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam includes from about 0.1 to about 5 weight % of at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10,000 g/mol. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: January 23, 2024
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Megan Showell Roberts, Johann Martin Szeifert
  • Patent number: 11786940
    Abstract: Fibrous structures containing solid additives, and more particularly, fibrous structures containing two or more regions that comprise different average weight % levels of solid additives and methods for making same are provided.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: October 17, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Fei Wang, Michael Donald Suer, John Daniel Algers, Cunming Song, Hailing Bao, Antonius Lambertus DeBeer, David John Pung, Steven Lee Barnholtz, Paul Thomas Weisman
  • Patent number: 11512269
    Abstract: Pre-moistened fibrous structures containing filaments and solid additives, wherein the fibrous structures exhibit capacity values that are superior to known pre-moistened fibrous structures as measured according to the Capacity Test Method described herein and methods for making same are provided.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 29, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Hailing Bao, Cunming Song, Antonius Lambertus DeBeer, David John Pung, Fei Wang, Michael Donald Suer, John Daniel Algers, Steven Lee Barnholtz, Paul Thomas Weisman, Douglas Jay Barkey, Christopher Michael Young, Alexander P. King
  • Publication number: 20220297165
    Abstract: Fibrous structures containing solid additives, and more particularly, fibrous structures containing two or more regions that comprise different average weight % levels of solid additives and methods for making same are provided.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Inventors: Fei Wang, Michael Donald Suer, John Daniel Algers, Cunming Song, Hailing Bao, Antonius Lambertus DeBeer, David John Pung, Steven Lee Barnholtz, Paul Thomas Weisman
  • Patent number: 11358182
    Abstract: Fibrous structures containing solid additives, and more particularly, fibrous structures containing two or more regions that comprise different average weight % levels of solid additives and methods for making same are provided.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: June 14, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Fei Wang, Michael Donald Suer, John Daniel Algers, Cunming Song, Hailing Bao, Antonius Lambertus DeBeer, David John Pung, Steven Lee Barnholtz, Paul Thomas Weisman
  • Publication number: 20220133119
    Abstract: The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam cleaning implement has a d90/d10 ratio above 1.65 and a compression deflection force above 3.25 psi. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.
    Type: Application
    Filed: January 18, 2022
    Publication date: May 5, 2022
    Inventors: David John PUNG, Megan Showell ROBERTS, Johann Martin SZEIFERT
  • Publication number: 20220104679
    Abstract: The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam includes from about 0.1 to about 5 weight % of at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10,000 g/mol. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 7, 2022
    Inventors: David John PUNG, Megan Showell ROBERTS, Johann Martin SZEIFERT
  • Publication number: 20220090325
    Abstract: Fibrous structures containing filaments and solid additives, and more particularly to fibrous structures containing filaments and solid additives wherein the fibrous structure has three or more regions that exhibit different characteristics and/or properties and methods for making same, are provided.
    Type: Application
    Filed: November 30, 2021
    Publication date: March 24, 2022
    Inventors: Fei Wang, Arman Ashraf, Michael Donald Suer, John Daniel Algers, Cunming Song, Hailing Bao, Antonius Lambertus De Beer, David John Pung, Steven Lee Barnholtz, Paul Thomas Weisman, Alexander P. King
  • Publication number: 20220081845
    Abstract: Fibrous structures containing solid additives, and more particularly, fibrous structures containing two regions that exhibit at least one common micro-CT intensive property that differs in value and wherein the common micro-CT intensive property transitions between the two regions and methods for making same are provided.
    Type: Application
    Filed: November 30, 2021
    Publication date: March 17, 2022
    Inventors: Fei Wang, Michael Donald Suer, John Daniel Algers, Cunming Song, Hailing Bao, Antonius Lambertus De Beer, David John Pung, Steven Lee Barnholtz, Paul Thomas Weisman, J. Michael Bills, Alexander P. King
  • Patent number: 11259680
    Abstract: The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam cleaning implement has a d90/d10 ratio above 1.65 and a compression deflection force above 3.25 psi. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: March 1, 2022
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Megan Showell Roberts, Johann Martin Szeifert
  • Patent number: 11254795
    Abstract: A process for producing a melamine-formaldehyde foam by heating and foaming an aqueous mixture M using microwave radiation, said mixture M comprising at least one melamine-formal-dehyde precondensate, at least one curative, at least one surfactant, at least one blowing agent and at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10,000 g/mol and at least two functional groups selected from OH, NH2 or COOH as well as a melamine-formaldehyde foam obtainable by this process and its use.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: February 22, 2022
    Assignee: BASF SE
    Inventors: Johann Martin Szeifert, Bernhard Vath, Tobias Heinz Steinke, Bettina Wester, Cecile Schneider, Sebastian Alexander Weisse, Peter Wolf, Werner Lenz, Axel Kirste, David John Pung, Megan Roberts
  • Patent number: 11224328
    Abstract: The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam includes from about 0.1 to about 5 weight % of at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10,000 g/mol. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: January 18, 2022
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Megan Showell Roberts, Johann Martin Szeifert
  • Publication number: 20210388535
    Abstract: A process for making a spunmelt nonwoven web including the steps of providing a mixture of recycled polypropylene, extruding the recycled polypropylene mixture to form a molten recycled polypropylene mixture, filtering the molten recycled polypropylene mixture through a filter to form recycled polypropylene filtrate, dosing the recycled polypropylene filtrate into the spunmelt production line by an amount of 80% to 100% by weight, passing the recycled polypropylene filtrate through at least one spinneret of the spunmelt production line to form filaments at a spinning speed of greater than 1200 meters per minute, cooling and drawing the filaments, and depositing the filaments on a moving belt to form at least one layer of the spunmelt nonwoven web made up of 80% by 100% by weight of recycled polypropylene fibers.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 16, 2021
    Inventors: Karthik Ramaratnam, John C. Parsons, David John Pung, Anna Elizabeth Macura, Eric Bryan Bond
  • Patent number: 11186954
    Abstract: Fibrous structures containing filaments and solid additives, and more particularly to fibrous structures containing filaments and solid additives wherein the fibrous structure has three or more regions that exhibit different characteristics and/or properties and methods for making same, are provided.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: November 30, 2021
    Assignee: The Procter & Gamble Company
    Inventors: Fei Wang, Arman Ashraf, Michael Donald Suer, John Daniel Algers, Cunming Song, Hailing Bao, Antonius Lambertus DeBeer, David John Pung, Steven Lee Barnholtz, Paul Thomas Weisman, Alexander P. King
  • Patent number: 11186953
    Abstract: Fibrous structures containing solid additives, and more particularly, fibrous structures containing two regions that exhibit at least one common micro-CT intensive property that differs in value and wherein the common micro-CT intensive property transitions between the two regions and methods for making same are provided.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: November 30, 2021
    Assignee: The Procter & Gamble Company
    Inventors: Fei Wang, Michael Donald Suer, John Daniel Algers, Cunming Song, Hailing Bao, Antonius Lambertus DeBeer, David John Pung, Steven Lee Barnholtz, Paul Thomas Weisman, J. Michael Bills, Alexander P. King
  • Patent number: 11046923
    Abstract: The invention relates to a hand dishwashing cleaning article having a hand dishwashing cleaning composition enclosed in a water permeable pouch. The cleaning composition has a first side and a second side and includes: (a) a surfactant system; (b) filaments; and (c) water. The pouch has a first substrate adjacent to the first side of the cleaning composition and a second substrate adjacent to the second side of the cleaning composition. The first substrate preferably includes a film, preferably a multiplanar film preferably having apertures. The second substrate includes a scrim of stretchable thermoplastic material laminated to an elastic polymeric film with openings for releasing the cleaning composition from the cleaning article.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: June 29, 2021
    Assignee: The Procter & Gamble Company
    Inventors: Jennifer Lynn Herzog, David John Pung, Andrew D. Maschino, Randolph Scott McCoskey, Gregory Leo Jervier
  • Patent number: 11045844
    Abstract: The present invention relates to a cleaning article that includes a cleaning article that includes melamine-formaldehyde foam. The melamine-formaldehyde foam includes at least two sheets and has a density above 12 kg/m3. Each sheet is from about 0.5 to about 4 mm in thickness and the static COF between two sheets is greater than 6. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning article according to the present invention.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: June 29, 2021
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Clint Stephen Winter