Patents by Inventor Calvin Hoi Wung Cheng

Calvin Hoi Wung Cheng 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: 20140249498
    Abstract: An absorbent article to be worn the lower torso is provided. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs comprises a web of material. The web of material comprises a first nonwoven component layer, and a second nonwoven component layer. Each of the longitudinal barrier cuffs comprises a longitudinal zone of attachment where each of the longitudinal barrier cuff attaches to the chassis, a longitudinal free edge, and a plurality of mechanical bonds disposed between the longitudinal zone of attachment and the free edge. The plurality of mechanical bonds attach one of a first portion of the web of material to a second portion of the web of material, and the web of material to a portion of the absorbent article.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 4, 2014
    Applicant: The Procter & Gamble Company
    Inventors: Calvin Hoi Wung CHENG, Rajeev CHHABRA, Olaf Erik Alexander ISELE, DeeAnn Ling NELSON
  • Patent number: 8716549
    Abstract: An absorbent article to be worn the lower torso is provided. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs comprises a web of material. The web of material comprises a first nonwoven component layer, and a second nonwoven component layer. Each of the longitudinal barrier cuffs comprises a longitudinal zone of attachment where each of the longitudinal barrier cuff attaches to the chassis, a longitudinal free edge, and a plurality of mechanical bonds disposed between the longitudinal zone of attachment and the free edge. The plurality of mechanical bonds attach one of a first portion of the web of material to a second portion of the web of material, and the web of material to a portion of the absorbent article.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: May 6, 2014
    Assignee: The Procter & Gamble Company
    Inventors: Calvin Hoi Wung Cheng, Rajeev Chhabra, Olaf Erik Alexander Isele, DeeAnn Ling Nelson
  • Publication number: 20140052087
    Abstract: The present disclosure, in part, relates generally to an absorbent article to be worn about the lower torso. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs is formed of a web of material. The web of material comprises a first nonwoven component layer comprising fibers having an average diameter in the range of about 8 microns to about 30 microns, a second nonwoven component layer comprising fibers having an average diameter of less than about 1 micron, and a third nonwoven component layer comprising fibers having an average diameter in the range of about 8 microns to about 30 microns. The second nonwoven component layer is disposed intermediate the first nonwoven component layer and the third nonwoven component layer.
    Type: Application
    Filed: August 28, 2013
    Publication date: February 20, 2014
    Applicant: The Procter & Gamble Company
    Inventors: Rajeev Chhabra, Calvin Hoi Wung Cheng, Olaf Erik Alexander Isele, DeeAnn Ling Nelson
  • Publication number: 20120150135
    Abstract: An absorbent article comprising a chassis comprising a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet, and a pair of longitudinal barrier cuffs attached to the chassis. Each longitudinal cuff is formed of a web of material having first and second opposing surfaces and comprising a nonwoven component layer comprising fibers having a number-average diameter of less than about 1 micron, a mass-average diameter of less than about 1.5 microns, and a ratio of the mass-average diameter to the number-average diameter less than about 2. The absorbent article further comprises a hydrophobic coating disposed on at least one surface of the web of material.
    Type: Application
    Filed: December 15, 2011
    Publication date: June 14, 2012
    Applicant: The Procter & Gamble Company
    Inventors: Johannson Jimmy Tee, JR., Olaf Erik Alexander Olaf, Calvin Hoi Wung Cheng, Rajeev Chhabra, DeeAnn Ling Nelson, Kemal Vatansever Catalan
  • Publication number: 20110268932
    Abstract: A nonwoven material coated with an amine-polyether silicone. The coating composition may include a wetting agent, an acid, and/or a defoamer. The nonwoven may be incorporated into a disposable absorbent article. The disposable absorbent article may include at least trace amounts of a mineral oil. The coating of the nonwoven may be durable even in the presence of mineral oil.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 3, 2011
    Inventors: Kemal Vatansever Catalan, Carolyn Ann Spitzmueller, Jensen Kirziri Buhiru, Calvin Hoi Wung Cheng, Amy Lynn Tally
  • Publication number: 20110196332
    Abstract: An absorbent article to be worn the lower torso is provided. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs comprises a web of material. The web of material comprises a first nonwoven component layer, and a second nonwoven component layer. Each of the longitudinal barrier cuffs comprises a longitudinal zone of attachment where each of the longitudinal barrier cuff attaches to the chassis, a longitudinal free edge, and a plurality of mechanical bonds disposed between the longitudinal zone of attachment and the free edge. The plurality of mechanical bonds attach one of a first portion of the web of material to a second portion of the web of material, and the web of material to a portion of the absorbent article.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 11, 2011
    Inventors: Calvin Hoi Wung Cheng, Rajeev Chhabra, Olaf Erik Alexander Isele, DeeAnn Ling Nelson
  • Publication number: 20110196325
    Abstract: The present disclosure, in part, relates generally to an absorbent article to be worn about the lower torso. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs is comprised of a web of material. The web of material has a low surface tension fluid strikethrough time of at least about 19 seconds, and an air permeability of at least about 20 m3/m2/min.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 11, 2011
    Inventors: Olaf Erik Alexander Isele, Calvin Hoi Wung Cheng, Rajeev Chhabra, DeeAnn Ling Nelson
  • Publication number: 20110196327
    Abstract: The present disclosure, in part, relates generally to an absorbent article to be worn about the lower torso. The absorbent article comprises a chassis comprising a topsheet, a backsheet, an absorbent core disposed between the topsheet and the backsheet, and a pair of longitudinal barrier cuffs attached to the chassis. Each of the longitudinal barrier cuffs is formed of a web of material. The web of material comprises a first nonwoven component layer comprising fibers having an average diameter in the range of about 8 microns to about 30 microns, a second nonwoven component layer comprising fibers having an average diameter of less than about 1 micron, and a third nonwoven component layer comprising fibers having an average diameter in the range of about 8 microns to about 30 microns. The second nonwoven component layer is disposed intermediate the first nonwoven component layer and the third nonwoven component layer.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 11, 2011
    Inventors: Rajeev Chhabra, Calvin Hoi Wung Cheng, Olaf Erik Alexander Isele, DeeAnn Ling Nelson