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US Patent 11884040 Light weight gypsum board

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 US Patent 11884040 Light weight gypsum board

Article

Patent abstract

This invention provides gypsum wallboards with a unique microstructure where the walls between voids are enhanced in thickness and strength to substantially improve the strength and handling properties of the wallboards. A method of making lightweight gypsum wallboards is also provided.

Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
118840400
Patent Inventor Names
Qiang Yu0
Weixin D. Song0
Date of Patent
January 30, 2024
0
Patent Application Number
177240250
Date Filed
April 19, 2022
0
Patent Citations
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US Patent 7090883 Edible compositions and methods of making edible compositions
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US Patent 7101426 Inorganic matrix composite reinforced by ionically crosslinked polymer
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US Patent 7105587 Method and composition for polymer-reinforced composite cementitious construction material
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US Patent 7172403 Apparatus for preparing a gypsum wallboard core
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US Patent 7217754 Polymer composites and methods for making and using same
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US Patent 7244304 Gypsum-containing board and tile, and method for producing same
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US Patent 7285586 Use of starch dispersions as binder in coating compositions and process for preparing the starch dispersions
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US Patent 7347895 Flexible hydraulic compositions
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US Patent 7364015 Acoustical panel comprising interlocking matrix of set gypsum and method for making same
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US Patent 7413603 Fiberboard with improved water resistance
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US Patent 7422638 Sago-based gelling starches
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US Patent 7425236 Gypsum-containing board and tile, and method for producing same
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US Patent 7455728 Method for retarding plaster setting and plaster preparation
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US Patent 7470338 Process for forming dense layers in a gypsum slurry
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US Patent 7524386 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels
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US Patent 7544242 Effective use of dispersants in wallboard containing foam
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US Patent 7572328 Fast drying gypsum products
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US Patent 7572329 Method of making a gypsum slurry with modifiers and dispersants
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US Patent 7588634 Process for manufacturing ultra low consistency alpha- and beta- blend stucco
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US Patent 7608347 Modifiers for gypsum slurries and method of using them
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US Patent 7637996 Gypsum products utilizing a two-repeating unit dispersant and a method for making them
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US Patent 7644548 Lightweight concrete compositions
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US Patent 7686902 Method of fabricating plaster board
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US Patent 7696253 Water-resistant additives for gypsum wood fiber products
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US Patent 7700505 Gypsum board and systems comprising it
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US Patent 7708847 Gypsum based panel and method for making gypsum based panel
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US Patent 7731794 High starch light weight gypsum wallboard
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US Patent 7736720 Composite light weight gypsum wallboard
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US Patent 7758980 Gypsum-containing board and tile, and method for producing same
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US Patent 7767019 Gypsum products utilizing a two-repeating unit dispersant and a method for making them
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US Patent 7771851 Gypsum-containing products containing alpha hemihydrate
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US Patent 7776170 Fire-resistant gypsum panel
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US Patent 7776461 Gypsum products utilizing a two-repeating unit dispersant and a method for making them
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US Patent 7776462 Gypsum products utilizing a two-repeating unit dispersant and a method of making them
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US Patent 7803226 Siloxane polymerization in wallboard
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US Patent 7811685 Siloxane polymerization in wallboard
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US Patent 7815730 Siloxane polymerization in wallboard
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US Patent 7819993 Method for producing light gypsum board
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US Patent 7842218 Method of producing a structure
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US Patent 7851057 Acoustical panel comprising interlocking matrix of set gypsum and method for making same
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US Patent 7875114 Foamed slurry and building panel made therefrom
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US Patent 7892472 Method of making water-resistant gypsum-based article
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US Patent 7932193 Coated mat products, laminates and method
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US Patent 7932308 Modifiers for gypsum slurries and method of using them
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US Patent 7964034 Gypsum-containing product and method for producing same
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US Patent 8070878 Lightweight cementitious compositions and building products and methods for making same
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US Patent 8070895 Water resistant cementitious article and method for preparing same
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US Patent 8088218 Foamed slurry and building panel made therefrom
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US Patent 8142914 Gypsum-containing product and gypsum board
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US Patent 8262820 Method of water dispersing pregelatinized starch in making gypsum products
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US Patent 8287962 Paper surface treatment compositions
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US Patent 8475762 Method and apparatus to minimize air-slurry separation during gypsum slurry flow
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US Patent 9221719 Gypsum wallboard slurry and method for making the same
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US Patent 9296124 Slurry distributor with a wiping mechanism, system, and method for using same
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US Patent 9616591 Slurry distributor, system and method for using same
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US Patent 9840066 Light weight gypsum board
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US Patent 6841232 Reinforced wallboard
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US Patent 6846357 Methods of cementing high temperature wells and cement compositions therefor
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US Patent 6874930 Slurry mixer outlet
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US Patent 6878321 Method of manufacture of glass reinforced gypsum board and apparatus therefor
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US Patent 6893752 Mold-resistant gypsum panel and method of making same
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US Patent 6902797 Gypsum-based composite materials reinforced by cellulose ethers
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US Patent 6929875 Method of making wallboard
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US Patent 6964704 Calcium sulphate-based composition and methods of making same
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US Patent 6983821 Acoustical panel having a honeycomb structure and method of making the same
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US Patent 6986656 Method of and system for forming a fire door core
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US Patent 7048794 Organic-inorganic composite
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US Patent 7056582 Mold resistant acoustical panel
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Patent Primary Examiner
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Ruiyun Zhang
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CPC Code
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Y10T 428/249968
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C04B 28/14
0
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C04B 24/383
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C04B 24/226
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C04B 2111/40
0
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C04B 2111/0062
0
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C04B 2103/408
0
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B32B 3/26
0
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B32B 29/00
0
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B32B 13/08
0

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