Patents by Inventor Paul C. Landrum

Paul C. Landrum 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).

  • Patent number: 11396200
    Abstract: The present disclosure is drawn to leveling compositions, embossed print media, and methods of preparing embossed print media. The embossed print media can include a media substrate, an image-receiving layer applied to the media substrate at a coating weight of 3 gsm to 50 gsm, and a leveling composition layer. The image-receiving layer can include a pigment filler having an average particle size ranging from 0.1 ?m to 20 ?m and a polymeric binder, and in examples herein, is embossed. The leveling composition layer can be applied at a coating weight of 0.2 gsm to 3 gsm to the image-receiving layer, and can include a cationic ionene polymer.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: July 26, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Paul C. Landrum, Xiaoqi Zhou, Xulong Fu, Francois K. Pirayesh
  • Patent number: 10906342
    Abstract: A printable media comprising a supporting substrate, including fibers, having an image side and a non-image side, which contains an image receiving layer coated on the image side of the supporting substrate. The image receiving layer comprises pigment fillers, polymeric binders and ink optical density enhancement agents. Also disclosed is a method for producing the textured media.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: February 2, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Paul C. Landrum, Xulong Fu, Francois K. Pirayesh
  • Publication number: 20200290389
    Abstract: The present disclosure is drawn to leveling compositions, embossed print media, and methods of preparing embossed print media. The embossed print media can include a media substrate, an image-receiving layer applied to the media substrate at a coating weight of 3 gsm to 50 gsm, and a leveling composition layer. The image-receiving layer can include a pigment filler having an average particle size ranging from 0.1 ?m to 20 ?m and a polymeric binder, and in examples herein, is embossed. The leveling composition layer can be applied at a coating weight of 0.2 gsm to 3 gsm to the image-receiving layer, and can include a cationic ionene polymer.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Paul C. Landrum, Xiaoqi ZHOU, Xulong FU, Francois K. PIRAYESH
  • Patent number: 10723161
    Abstract: The present disclosure is drawn to leveling compositions, which can include from 80 wt % to 95 wt % water, from 0.5 wt % to 15 wt % organic solvent, and from 0.2 wt % to 6 wt % surfactant. The leveling compositions can further include from 1 wt % to 10 wt % cationic ionene polymer having a weight average molecular weight from 100 Mw to 8000 Mw, and from 1 wt % to 10 wt % polymeric binder.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: July 28, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Paul C. Landrum, Xiaoqi Zhou, Xulong Fu, Francois K. Pirayesh
  • Publication number: 20190351659
    Abstract: A printable media comprising a supporting substrate, including fibers, having an image side and a non-image side, which contains an image receiving layer coated on the image side of the supporting substrate. The image receiving layer comprises pigment fillers, polymeric binders and ink optical density enhancement agents. Also disclosed is a method for producing the textured media.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 21, 2019
    Applicant: Hewlett-Packard Development Company, LP.
    Inventors: Xiaoqi Zhou, Paul C. Landrum, Xulong Fu, Francois K. Pirayesh
  • Patent number: 10471691
    Abstract: A printable media comprising a supporting substrate, including fibers, having an image side and a non-image side, which contains an image receiving layer coated on the image side of the supporting substrate. The image receiving layer comprises pigment fillers, polymeric binders and ink optical density enhancement agents. Also disclosed is a method for producing the textured media.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: November 12, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Paul C. Landrum, Xulong Fu, Francois K. Pirayesh
  • Patent number: 10464363
    Abstract: A printable media comprising a composite supporting substrate, having an image side and a non-image side, that contains a first and a second constituent material layers wherein, at least, one of the constituent material layer is a fiber layer and wherein the first and the second materials layers are laminated together with a flame resistant adhesion layer. The printable media further comprises an image receiving layer that is coated on the second layer on the image side of the composite supporting substrate. In the printable media described herein, at least, the image side of the composite supporting substrate and the image receiving layer are textured surfaces. Also disclosed is a method for producing the textured media.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: November 5, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xulong Fu, Xiaoqi Zhou, Francois K. Pirayesh, Paul C. Landrum
  • Publication number: 20190070834
    Abstract: A printable media comprising a supporting substrate, including fibers, having an image side and a non-image side, which contains an image receiving layer coated on the image side of the supporting substrate. The image receiving layer comprises pigment fillers, polymeric binders and ink optical density enhancement agents. Also disclosed is a method for producing the textured media.
    Type: Application
    Filed: September 29, 2015
    Publication date: March 7, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Paul C. Landrum, Xulong Fu, Francois K. Pirayesh
  • Publication number: 20180186160
    Abstract: The present disclosure is drawn to leveling compositions, which can include from 80 wt % to 95 wt % water, from 0.5 wt % to 15 wt % organic solvent, and from 0.2 wt % to 6 wt % surfactant. The leveling compositions can further include from 1 wt % to 10 wt % cationic ionene polymer having a weight average molecular weight from 100 Mw to 8000 Mw, and from 1 wt % to 10 wt % polymeric binder.
    Type: Application
    Filed: September 18, 2015
    Publication date: July 5, 2018
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Paul C. Landrum, Xiaoqi Zhou, Xulong Fu, Francois K. Pirayesh
  • Patent number: 9983116
    Abstract: Testing a peel force of an adhesive medium includes an elevator assembly slidably connected to a column, the elevator assembly includes a connection to a gripper plate, and the gripper plate includes a first slot sized to accommodate a free portion of an adhesive medium and a jammer sized to secure the free portion of the adhesive medium in the first slot.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: May 29, 2018
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Paul C. Landrum, Xiaoqi Zhou, Stephen Ledak
  • Publication number: 20180079246
    Abstract: A printable media comprising a composite supporting substrate, having an image side and a non-image side, that contains a first and a second constituent material layers wherein, at least, one of the constituent material layer is a fiber layer and wherein the first and the second materials layers are laminated together with a flame resistant adhesion layer. The printable media further comprises an image receiving layer that is coated on the second layer on the image side of the composite supporting substrate. In the printable media described herein, at least, the image side of the composite supporting substrate and the image receiving layer are textured surfaces. Also disclosed is a method for producing the textured media.
    Type: Application
    Filed: June 10, 2015
    Publication date: March 22, 2018
    Inventors: Xulong Fu, Xiaoqi Zhou, Francois K. Pirayesh, Paul C. Landrum
  • Patent number: 9855781
    Abstract: A printable medium with a supporting base substrate that has, on its image side, a substrate sizing layer and an image receiving layer, and having, on its back-side a fabric backing and barrel layer with flame retardancy. Also disclosed are the method for making such printable medium and the method for producing printed images.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: January 2, 2018
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Paul C. Landrum, Xulong Fu, Francois K. Pirayesh
  • Patent number: 9777435
    Abstract: A printing substrate comprising fibers from wooded resource that have more than 5% of fines fibers with an average length that is less than 0.1 mm; more than about 10 wt % of, at least, a polymeric substance; and between 0.1 wt % and 40 wt % of particulate inorganic substances having an average particle size between 0.1 and 2.0 m. Also disclosed herein a method for making such printing substrate and a method for producing printed images using said printing substrate.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: October 3, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Xulong Fu, Paul C. Landrum, Francois K. Pirayesh
  • Patent number: 9770931
    Abstract: A fabric print medium containing a fabric base substrate and a primer layer composition applied to the fabric base substrate. Said primer layer composition includes at least three types of polymeric particles, at least two different fire retardant agents and a water-soluble high-valence metal complex. Also disclosed are the method for making such fabric print medium and the method for producing printed images using said material.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: September 26, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiaoqi Zhou, Paul C. Landrum, Ana Belen de la Rosa Gimenez
  • Patent number: 9707790
    Abstract: A printable recording media including a composite base substrate that contains, at least, two constituent material layers that are laminated together with a flame resistant adhesion layer containing an adhesive compound and up to 50% of a flame retardant agent by total weight of the flame resistant adhesion layer, wherein, at least, one of the constituent material layer is a fiber layer; and an image receiving layer that is coated on one side of the composite supporting substrate. Also disclosed are the method for making such printable recording media and the method for producing printed images on such printable recording media.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: July 18, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xulong Fu, Jr., Xiaoqi Zhou, Paul C. Landrum, Francois K. Pirayesh
  • Publication number: 20170145636
    Abstract: A printing substrate comprising fibers from wooded resource that have more than 5% of fines fibers with an average length that is less than 0.1 mm; more than about 10 wt % of, at least, a polymeric substance; and between 0.1 wt % and 40 wt % of particulate inorganic substances having an average particle size between 0.1 and 2.0 m. Also disclosed herein a method for making such printing substrate and a method for producing printed images using said printing substrate.
    Type: Application
    Filed: July 31, 2014
    Publication date: May 25, 2017
    Inventors: Xiaoqi Zhou, Xulong Fu, Paul C. Landrum, Francois K. Pirayesh
  • Publication number: 20170057269
    Abstract: A printable recording media including a composite base substrate that contains, at least, two constituent material layers that are laminated together with a flame resistant adhesion layer containing an adhesive compound and up to 50% of a flame retardant agent by total weight of the flame resistant adhesion layer, wherein, at least, one of the constituent material layer is a fiber layer; and an image receiving layer that is coated on one side of the composite supporting substrate. Also disclosed are the method for making such printable recording media and the method for producing printed images on such printable recording media.
    Type: Application
    Filed: March 17, 2014
    Publication date: March 2, 2017
    Inventors: Xulong Fu, Xiaoqi Zhou, Paul C. Landrum, Francois K. Pirayesh
  • Patent number: 9370958
    Abstract: An inkjet printable medium includes an opaque substrate having I(x)/I0 equal to or less than 0.05, wherein I(x) is an intensity of light remaining at a distance x, where x is the distance that light travels through the substrate, and wherein I0 is an initial intensity of light at x=0. The substrate includes at least two non-woven paper layers; and an adhesive, opacity enhancing layer disposed between the at least two non-woven paper layers, the adhesive layer including a visible light-blocking dye or pigment. An image receiving layer is coated on the substrate. The substrate has a basis weight ranging from about 100 gsm to about 500 gsm.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: June 21, 2016
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xulong Fu, Xiaoqi Zhou, Paul C Landrum
  • Publication number: 20160152060
    Abstract: A printable medium with a supporting base substrate that has, on its image side, a substrate sizing layer and an image receiving layer, and having, on its back-side a fabric backing and barrel layer with flame retardancy. Also disclosed are the method for making such printable medium and the method for producing printed images.
    Type: Application
    Filed: July 15, 2013
    Publication date: June 2, 2016
    Inventors: Xiaoqi Zhou, Paul C. Landrum, Xulong Fu, Francois K. Pirayesh
  • Publication number: 20160139031
    Abstract: Testing a peel force of an adhesive medium includes an elevator assembly slidably connected to a column, the elevator assembly includes a connection to a gripper plate, and the gripper plate includes a first slot sized to accommodate a free portion of an adhesive medium and a jammer sized to secure the free portion of the adhesive medium in the first slot.
    Type: Application
    Filed: July 18, 2013
    Publication date: May 19, 2016
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Paul C. Landrum, Xiaoqi Zhou, Stephen Ledak