Patents Assigned to Georgia-Pacific Gypsum LLC
  • Building materials, compositions, and methods
    Patent number: 9499975
    Abstract: Building materials include a dampening layer which contains a plaster and a viscoelastic polymer, such as polyvinyl butyral. The dampening layer may also include a barium salt. Methods of making a sound dampening material include providing a plaster mixture. The mixture may include a viscoelastic polymer and/or a barium salt. The plaster mixture is combined with water and/or a viscoelastic polymer dispersion, to form a slurry. The slurry is applied to a surface and set to form a sound dampening layer.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: November 22, 2016
    Assignee: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Jeffrey T. Fields
  • GYPSUM PANELS, SYSTEMS, AND METHODS
    Publication number: 20160289954
    Abstract: Gypsum panels, sheathing systems, and methods of making and using the same are provided. A gypsum panel includes a gypsum core associated with a first fiberglass mat having a continuous barrier coating, the coating penetrating a portion of the first fiberglass mat opposite the gypsum core, wherein gypsum penetrates a remaining fibrous portion of the first fiberglass mat such that voids in the first fiberglass mat are substantially eliminated. A building sheathing system includes at least two gypsum panels and a seaming component to provide a seam at an interface between the gypsum panels.
    Type: Application
    Filed: June 13, 2016
    Publication date: October 6, 2016
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Rochelle Bradford, Christopher J. Sanders, Yi-Hsien Harry Teng
  • GYPSUM PANELS, SYSTEMS, AND METHODS
    Publication number: 20160289966
    Abstract: Gypsum panels, sheathing systems, and methods of making and using the same are provided. A gypsum panel includes a gypsum core associated with a first fiberglass mat having a continuous barrier coating, the coating penetrating a portion of the first fiberglass mat opposite the gypsum core, wherein gypsum penetrates a remaining fibrous portion of the first fiberglass mat such that voids in the first fiberglass mat are substantially eliminated. A building sheathing system includes at least two gypsum panels and a seaming component to provide a seam at an interface between the gypsum panels.
    Type: Application
    Filed: June 13, 2016
    Publication date: October 6, 2016
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Rochelle Bradford, Christopher J. Sanders, Yi-Hsien Harry Teng
  • GYPSUM PANELS, SYSTEMS, AND METHODS
    Publication number: 20160222647
    Abstract: Gypsum panels, sheathing systems, and methods of making and using the same are provided. A gypsum panel includes a gypsum core associated with a first fiberglass mat having a continuous barrier coating, the coating penetrating a portion of the first fiberglass mat opposite the gypsum core, wherein gypsum penetrates a remaining fibrous portion of the first fiberglass mat such that voids in the first fiberglass mat are substantially eliminated. A building sheathing system includes at least two gypsum panels and a seaming component to provide a seam at an interface between the gypsum panels.
    Type: Application
    Filed: February 3, 2016
    Publication date: August 4, 2016
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Rochelle Bradford, Christopher J. Sanders, Yi-Hsien Harry Teng
  • GYPSUM PANELS, SYSTEMS, AND METHODS
    Publication number: 20160222646
    Abstract: Gypsum panels, sheathing systems, and methods of making and using the same are provided. A gypsum panel includes a gypsum core associated with a first fiberglass mat having a continuous barrier coating, the coating penetrating a portion of the first fiberglass mat opposite the gypsum core, wherein gypsum penetrates a remaining fibrous portion of the first fiberglass mat such that voids in the first fiberglass mat are substantially eliminated. A building sheathing system includes at least two gypsum panels and a seaming component to provide a seam at an interface between the gypsum panels.
    Type: Application
    Filed: February 3, 2016
    Publication date: August 4, 2016
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Rochelle Bradford, Christopher J. Sanders, Yi-Hsien Harry Teng
  • GYPSUM PANELS, SYSTEMS, AND METHODS
    Publication number: 20160222656
    Abstract: Gypsum panels and methods for their manufacture are provided herein. The gypsum panels include a gypsum core having a first surface and a second opposed surface and a first fiberglass mat associated with the first surface of the gypsum core, such that gypsum from the gypsum core penetrates at least a portion of the first fiberglass mat.
    Type: Application
    Filed: February 3, 2016
    Publication date: August 4, 2016
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Yi-Hsien Harry Teng, Andrew W. Tricker, Vincent B. Thomas, Rochelle Bradford, Christopher J. Sanders
  • GYPSUM PANELS, CORES, AND METHODS FOR THE MANUFACTURE THEREOF
    Publication number: 20160168026
    Abstract: Gypsum panels, panel cores, and methods for the manufacture thereof are provided herein. A gypsum panel core includes gypsum and fiberglass, the fiberglass being present in the core in an amount of from about 1 lb/msf to about 6 lb/msf. The core has a thickness of about ½ inch, a weight of from about 1400 lb/msf to about 1750 lb/msf, and an ASTM E-119 wood stud fire test rating of at least 30 minutes.
    Type: Application
    Filed: November 16, 2015
    Publication date: June 16, 2016
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Michael H. Moore, Christopher J. Sanders
  • GYPSUM MANUFACTURING PROCESS IMPROVEMENT
    Publication number: 20160168031
    Abstract: The present application provides a method for analyzing a raw material for manufacturing of gypsum products, analyzing a plurality of gypsum products, and the gypsum products produced therefrom. Desirably, the analyzing of the raw material is conducted using prompt gamma neutron activation analysis.
    Type: Application
    Filed: February 22, 2016
    Publication date: June 16, 2016
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: William E. Barger, Carmine Perri
  • HYBRID NONWOVEN MATS AND METHODS
    Publication number: 20160145779
    Abstract: Hybrid nonwoven mats are made by depositing a slurry of fibers and water onto a fibrous web and applying a binder onto the hybrid nonwoven mat formed therefrom. The fibers are sized and present in an amount such that the binder forms a substantially continuous film on the hybrid nonwoven mat. Gypsum panels may be faced with a hybrid nonwoven mat on one or both surfaces.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 26, 2016
    Applicant: GEORGIA-PACIFIC GYPSUM LLC
    Inventors: Yi-Hsien Harry Teng, Christopher J. Sanders
  • MICROWAVE HEATING FOR GYPSUM MANUFACTURING PROCESSES
    Publication number: 20160122197
    Abstract: Methods of making calcium sulfate whiskers are provided. In one aspect, a method includes autoclaving a slurry of calcium sulfate hemihydrate and water to form calcium sulfate hemihydrate whiskers in water and microwaving the whiskers to dewater them, wherein the microwaving is effective to prevent a majority of the whiskers from reverting to a dihydrate form. In one aspect, a method includes microwaving calcium sulfate hemihydrate whiskers to form anhydrite calcium sulfate whiskers, wherein the microwaving is effective to remove a substantial amount of chemically bound water from the whiskers.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 5, 2016
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Mianxue Wu, Jeffrey T. Fields, Melisha Gardner
  • BUILDING PRODUCTS COMPOSITES AND METHODS
    Publication number: 20160107937
    Abstract: Methods of manufacturing composites are provided, including combining dihydrate calcium sulfate whiskers, hemihydrate calcium sulfate stucco, and water to form a slurry, and setting the slurry to form a composite having a natural porosity of about 60 volume percent or greater. Composites are also provided, including dihydrate calcium sulfate whiskers and dihydrate calcium sulfate crystals, and having a natural porosity of about 60 volume percent or greater.
    Type: Application
    Filed: October 15, 2015
    Publication date: April 21, 2016
    Applicant: GEORGIA-PACIFIC GYPSUM LLC
    Inventors: Mianxue Wu, Jeffery T. Fields, Sara E. Endres
  • Gypsum manufacturing process improvement
    Patent number: 9296658
    Abstract: The present application provides a method for analyzing a raw material for manufacturing of gypsum products, analyzing a plurality of gypsum products, and the gypsum products produced therefrom. Desirably, the analyzing of the raw material is conducted using prompt gamma neutron activation analysis.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: March 29, 2016
    Assignee: Georgia-Pacific Gypsum LLC
    Inventors: William E. Barger, Carmine Perri
  • Building materials, compositions, and methods
    Patent number: 9157242
    Abstract: Building materials include a dampening layer which contains a plaster, and hollow microspheres, such as polymeric microspheres. Methods of making a sound dampening material include providing a plaster mixture. The mixture may include hollow microspheres. The plaster mixture is combined with water to form a slurry. The slurry is applied to a surface so that it sets to form a sound dampening layer. Methods of dampening sound through a structure include disposing a dampening layer on a surface of or within a wall, door, floor, ceiling, roof, or floor/ceiling assembly.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: October 13, 2015
    Assignee: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Jeffrey Thomas Fields
  • FIBER-REINFORCED COATED MATS AND MAT-FACED PANELS AND METHODS
    Publication number: 20150240492
    Abstract: Fiber-reinforced coated mats and fiber-reinforced coated mat-faced panels are provided herein, along with methods for making the same. Fiber-reinforced coated mats include a mat with a fiber-reinforced coating on one surface. Fiber-reinforced coated mat-faced panels include a fiber-coated mat and a panel material in contact with a surface of the mat opposite the fiber-reinforced coating. Methods include applying a fiber-reinforced coating to a surface of a mat to form a coated mat and drying the coated mat to cure the fiber-reinforced coating. Some methods also include combining the mat with a panel material to form a mat-faced panel.
    Type: Application
    Filed: February 24, 2015
    Publication date: August 27, 2015
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Yi-Hsien Harry Teng, Martin L. Gran, Charles E. Diller, Christopher J. Sanders, Jeffery T. Fields, Mianxue Wu
  • Acoustical sound proofing materials and methods of making the same
    Patent number: 9085894
    Abstract: A laminated structure comprises a first external layer and a second external layer; an internal layer disposed between the first and the second external layers; a first adhesive layer disposed between the first external layer and the internal layer, wherein the first adhesive layer is patterned to cover only a first portion of the internal layer; and a second adhesive layer disposed between the second external layer and the internal layer, wherein the second adhesive layer is patterned to cover only a second portion of the internal layer on a side opposite the first adhesive layer, and wherein the first portion is different than the second portion.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: July 21, 2015
    Assignee: Georgia-Pacific Gypsum LLC
    Inventors: Douglas C. Eckman, Vincent B. Thomas, Keshav S. Gautam
  • CALCIUM SULFATE CRYSTALS AND METHODS FOR MAKING THE SAME
    Publication number: 20150158735
    Abstract: A composition of matter is provided, including anhydrite calcium sulfate whiskers having a mean aspect ratio of at least 30. Another composition of matter is provided, including alpha-derived anhydrite calcium sulfate whiskers. Yet another composition of matter is provided, including fine alpha particle-derived anhydrite calcium sulfate whiskers.
    Type: Application
    Filed: December 5, 2014
    Publication date: June 11, 2015
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Mianxue Wu, Jeffrey T. Fields
  • GYPSUM COMPOSITES CONTAINING CEMENTITIOUS MATERIALS AND METHODS
    Publication number: 20150158766
    Abstract: Gypsum composites containing cementitious materials and methods of making the same are provided. Gypsum composites include gypsum and a cementitious material. Methods of making gypsum composites include combining gypsum stucco, water, and a cementitious material to form a slurry, and setting and drying the slurry to form a gypsum composite.
    Type: Application
    Filed: December 4, 2014
    Publication date: June 11, 2015
    Applicant: GEORGIA-PACIFIC GYPSUM LLC
    Inventors: Yi-Hsien Harry Teng, Mark Alexander Leavitt, Jeffrey T. Fields, Vincent B. Thomas
  • GYPSUM COMPOSITE MODIFIERS
    Publication number: 20150158997
    Abstract: Anhydrite calcium sulfate whiskers are prepared by combining alpha calcium sulfate hemihydrate and water to form a slurry, autoclaving the slurry to form alpha calcium sulfate hemihydrate whiskers in water, dewatering the alpha calcium sulfate hemihydrate whiskers, and heating the alpha calcium sulfate hemihydrate whiskers to form anhydrite calcium sulfate whiskers. A composite includes alpha-derived anhydrite calcium sulfate whiskers and a base material and is prepared by combining alpha-derived anhydrite calcium sulfate whiskers with a base material to form a composite.
    Type: Application
    Filed: December 5, 2014
    Publication date: June 11, 2015
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Mianxue Wu, Jeffrey T. Fields, Pierre Donaldson, Bill Bodiford
  • Acoustical door structure
    Patent number: 9051731
    Abstract: A door structure is provided having two outer dampening layers, each outer dampening layer having a base surface and a damping surface, and an inner compartmentalized layer adjacent to the damping surfaces of the two outer dampening layers, the inner compartmentalized layer includes at least two compartments, wherein the damping surfaces of the two outer dampening layers are substantially unconstrained relative to the inner compartmentalized layer such that the damping surfaces are deformable.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: June 9, 2015
    Assignee: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Steven D. Brown, Scott J. Abolt
  • BUILDING MATERIALS, COMPOSITIONS, AND METHODS
    Publication number: 20150108390
    Abstract: Building materials include a dampening layer which contains a plaster and a viscoelastic polymer, such as polyvinyl butyral. The dampening layer may also include a barium salt. Methods of making a sound dampening material include providing a plaster mixture. The mixture may include a viscoelastic polymer and/or a barium salt. The plaster mixture is combined with water and/or a viscoelastic polymer dispersion, to form a slurry. The slurry is applied to a surface and set to form a sound dampening layer.
    Type: Application
    Filed: December 30, 2014
    Publication date: April 23, 2015
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Jeffrey T. Fields