Patents by Inventor Bangji Cao

Bangji Cao 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: 20230035178
    Abstract: The disclosure provides basemats for fibrous panels, including a mineral wool present in an amount of at least about 60 wt %, based on the total weight of the basemat, a mineral filler, a cellulose present in an amount of about 1 wt % to about 3 wt %, based on the total weight of the basemat, and a binder. The basemat has a backing side and a facing side. Also provided are fibrous panels including the basemat of the disclosure and a porous veil.
    Type: Application
    Filed: July 23, 2021
    Publication date: February 2, 2023
    Applicant: USG INTERIORS, LLC
    Inventors: Yufeng Xu, Bangji Cao, William Frank, Qing C. Yu, Louis P. Stocco, Adam Warren Keller
  • Patent number: 10377108
    Abstract: Disclosed herein are gypsum products with at least one high efficiency heat sink additive. The gypsum products, e.g., gypsum panels, are less susceptible to the damaging effects of extreme heat as the temperature rises due to the presence of the at least one additive.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: August 13, 2019
    Inventors: Cesar Chan, Weixin D. Song, Bangji Cao, Guy Rosenthal, Qiang Yu, Srinivas Veeramasuneni
  • Publication number: 20150147546
    Abstract: Described herein is a composite board and a method of producing a composite board, the board having increased fire endurance. The board comprises a sheet having a thickness greater than about 0.014 inches, and a thermal conductivity of about 0.1 w/(m.k.) or less. The composite board can be part of a wall assembly comprising two boards defining an interior cavity, the sheet facing the interior cavity.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 28, 2015
    Inventors: Bangji CAO, Weixin SONG, Cesar CHAN, Scott LECKIE
  • Publication number: 20150125683
    Abstract: A gypsum composition, board, and method of producing a gypsum board with increased fire endurance are described. The set gypsum-containing composition can be used to prepare a gypsum board having fire endurance, based on the inclusion of silica gel.
    Type: Application
    Filed: November 5, 2013
    Publication date: May 7, 2015
    Applicant: United States Gypsum Company
    Inventors: Bangji CAO, Weixin D. SONG, Alfred LI
  • Publication number: 20150104629
    Abstract: A gypsum composition, board, and method of producing a gypsum board with increased fire endurance are described. The set gypsum-containing composition can be used to prepare a gypsum board having fire endurance, based on particular water-to-stucco ratios.
    Type: Application
    Filed: October 15, 2013
    Publication date: April 16, 2015
    Applicant: United States Gypsum Company
    Inventors: Bangji CAO, Weixin D. SONG, Cesar CHAN
  • Publication number: 20150103861
    Abstract: A system and method for predicting wallboard fire performance in a standard test includes procuring a sample of the wallboard for testing, and mounting the sample into a fixture so that one side of the sample is exposed to a heat source. A cavity is created between the sample and the fixture such that the sample is disposed between the heat source and the cavity. A temperature measurement is taken at a predetermined location within the cavity over time, and the temperature is monitored and recorded as a series of temperature readings using a computer-readable medium. The series is analyzed to determine an index time at which the temperature reaches a predetermined temperature threshold. The index time is correlated to a standard-test fire performance using the computer-readable medium and, based on the correlation, a fire performance of the wallboard in a standard test procedure is predicted.
    Type: Application
    Filed: October 15, 2013
    Publication date: April 16, 2015
    Applicant: United States Gypsum Company
    Inventors: Bangji CAO, Scott LECKIE, Weixin D. SONG, Cesar CHAN
  • Patent number: 8974925
    Abstract: Described herein is a composite board and a method of producing a composite board, the board having increased fire endurance. The board comprises a sheet having a thickness greater than about 0.014 inches, and a thermal conductivity of about 0.1 w/(m.k.) or less. The composite board can be part of a wall assembly comprising two boards defining an interior cavity, the sheet facing the interior cavity.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: March 10, 2015
    Assignee: United States Gypsum Company
    Inventors: Bangji Cao, Weixin D. Song, Cesar Chan, Scott Leckie
  • Patent number: 8563449
    Abstract: A non-woven material and method of formation thereof is provided to form a substantially flat or planar self supporting core of an inorganic base fiber and an organic binding fiber preferably using an air-laid forming head. In certain preferred embodiments, the organic base fiber has a fiber strength with a break load of about 10 grams or less and an elongation of about 20 percent or less. Preferably, the organic binding fiber has a binding component and a structural component within unitary fiber filaments. In one aspect, the structural component of the organic binding fiber has a composition effective to provide a strength thereof so that the non-woven material can be manually cut with minimal effort. In such form, the non-woven material is suitable to function as an acoustic ceiling tile.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: October 22, 2013
    Assignee: USG Interiors, LLC
    Inventors: Donald Mueller, Weixin Song, Bangji Cao
  • Patent number: 8383233
    Abstract: A water felted base mat for a suspended ceiling tile comprising on a weight basis about ½ mineral wool, starch binder, limited to about ?, newsprint, limited to about ?, and about ¼ expanded glass beads.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: February 26, 2013
    Assignee: USG Interiors, LLC
    Inventors: Gregory O. Palm, Martin Brown, Qing Claire Yu, Bangji Cao
  • Publication number: 20120164422
    Abstract: A water felted base mat for a suspended ceiling tile comprising on a weight basis about ½ mineral wool, starch binder, limited to about ?, newsprint, limited to about ?, and about ¼ expanded glass beads.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 28, 2012
    Applicant: USG INTERIORS, INC.
    Inventors: Gregory O. Palm, Martin Brown, Qing Claire Yu, Bangji Cao
  • Patent number: 8133357
    Abstract: A panel includes about 0.1% to about 95% by weight of a ground renewable component. In an embodiment, the panel has at least one core comprising: from about 0.1% to about 95% by weight of the ground renewable component; from about 0.1% to about 95% by weight of one or more fibers; and from about 1% to about 30% by weight of one or more binders, all based on dry panel weight. In an embodiment, the ground renewable component has a particle size distribution whereby less than 5% of the particles are retained by a mesh screen with openings of about 0.312 inches and less than 5% of the particles pass through a mesh screen with openings of about 0.059 inches. A method for manufacturing such panels is also provided.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: March 13, 2012
    Assignee: USG Interiors, Inc.
    Inventors: Bangji Cao, Te Hua Lau, W. David Song, Martin W. Brown
  • Patent number: 8118928
    Abstract: A cast type ceiling tile comprising a mixture containing 30 to 70% mineral wool, 10 to 40% expanded glass beads, 8 to 20% starch, 0 to 15% stucco, and 0 to 1% boric acid.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: February 21, 2012
    Assignee: USG Interiors, LLC
    Inventors: Qing Claire Yu, Bangji Cao, Gregory O. Palm
  • Publication number: 20120024625
    Abstract: A non-woven material, that can be formed into an acoustic ceiling tile, is provided. The material includes a substantially planar and self-supporting core of an inorganic base fiber and a synthetic thermal bonding fiber. The synthetic thermal bonding fiber preferably has an increased bonding surface area that improves adhesion and porosity to provide a base mat or core with a low density to provide sound absorption required by an acoustic ceiling tile.
    Type: Application
    Filed: October 7, 2011
    Publication date: February 2, 2012
    Inventors: Bangji Cao, Weixin D. Song, Oing Yu, Donald S. Mueller
  • Patent number: 8100226
    Abstract: An acoustical building panel and method of manufacturing it are disclosed. Embodiments of the panel include a porous nonwoven scrim, a coating deposited on the scrim, a base mat, and an adhesive deposited on either the base mat or the scrim in a discrete form such as in droplets. Embodiments of the method of manufacture include steps of perforating the base mat, applying the adhesive to the base mat in the discrete form, laminating the scrim onto the base mat, and applying the coating to the scrim surface.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: January 24, 2012
    Assignee: USG Interiors, Inc.
    Inventors: Bangji Cao, Gregory Palm, Weixin D. Song
  • Patent number: 8062565
    Abstract: A non-woven material, that can be formed into an acoustic ceiling tile, is provided. The material includes a substantially planar and self-supporting core of an inorganic base fiber and a synthetic thermal bonding fiber. The synthetic thermal bonding fiber preferably has an increased bonding surface area that improves adhesion and porosity to provide a base mat or core with a low density to provide sound absorption required by an acoustic ceiling tile.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: November 22, 2011
    Assignee: USG Interiors, Inc.
    Inventors: Donald S. Mueller, Bangji Cao, Weixin D. Song, Qing Yu
  • Publication number: 20110147119
    Abstract: An acoustical building panel and method of manufacturing it are disclosed. Embodiments of the panel include a porous nonwoven scrim, a coating deposited on the scrim, a base mat, and an adhesive deposited on either the base mat or the scrim in a discrete form such as in droplets. Embodiments of the method of manufacture include steps of perforating the base mat, applying the adhesive to the base mat in the discrete form, laminating the scrim onto the base mat, and applying the coating to the scrim surface.
    Type: Application
    Filed: December 13, 2010
    Publication date: June 23, 2011
    Applicant: USG Interiors, Inc.
    Inventors: Bangji Cao, Gregory Palm, Weixin D. Song
  • Patent number: 7935223
    Abstract: A panel includes about 0.1% to about 95% by weight of a renewable component. The panel has at least one of a CAC value of at least about 25, an NRC value of at least about 0.25 and an STC of at least about 25. A method for manufacturing such panels is also provided.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: May 3, 2011
    Assignee: ISG Interiors, Inc.
    Inventors: Bangji Cao, Te Hua Lau, Curt Malone, W. David Song, Martin W. Brown
  • Publication number: 20090260918
    Abstract: A panel includes about 0.1% to about 95% by weight of a ground renewable component. In an embodiment, the panel has at least one core comprising: from about 0.1% to about 95% by weight of the ground renewable component; from about 0.1% to about 95% by weight of one or more fibers; and from about 1% to about 30% by weight of one or more binders, all based on dry panel weight. In an embodiment, the ground renewable component has a particle size distribution whereby less than 5% of the particles are retained by a mesh screen with openings of about 0.312 inches and less than 5% of the particles pass through a mesh screen with openings of about 0.059 inches. A method for manufacturing such panels is also provided.
    Type: Application
    Filed: March 30, 2009
    Publication date: October 22, 2009
    Inventors: Bangji Cao, Te Hua Lau, W. David Song, Martin W. Brown
  • Publication number: 20090252941
    Abstract: A non-woven material and method of formation thereof is provided to form a substantially flat or planar self supporting core of an inorganic base fiber and an organic binding fiber preferably using an air-laid forming head. In certain preferred embodiments, the non-woven material has a basis weight of about 3,000 gsm or greater. Preferably, the organic binding fiber has a binding component and a structural component within unitary fiber filaments. In one aspect, the structural component of the organic binding fiber has a composition effective to provide a strength thereof so that the non-woven material can be manually cut with minimal effort. In such form, the non-woven material is suitable to function as an acoustic ceiling tile.
    Type: Application
    Filed: April 3, 2008
    Publication date: October 8, 2009
    Applicant: USG Interiors, Inc.
    Inventors: DONALD S. MUELLER, Weixin D. Song, Bangji Cao
  • Publication number: 20090253323
    Abstract: A non-woven material and method of formation thereof is provided to form a substantially flat or planar self supporting core of an inorganic base fiber and an organic binding fiber preferably using an air-laid forming head. In certain preferred embodiments, the organic base fiber has a fiber strength with a break load of about 10 grams or less and an elongation of about 20 percent or less. Preferably, the organic binding fiber has a binding component and a structural component within unitary fiber filaments. In one aspect, the structural component of the organic binding fiber has a composition effective to provide a strength thereof so that the non-woven material can be manually cut with minimal effort. In such form, the non-woven material is suitable to function as an acoustic ceiling tile.
    Type: Application
    Filed: April 3, 2008
    Publication date: October 8, 2009
    Applicant: USG Interiors, Inc.
    Inventors: DONALD S. MUELLER, Weixin D. Song, Bangji Cao