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1.发明授权Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto 有权具有中等范围粘度的预胶化淀粉，以及与其相关的产品，浆料和方法公开(公告)号：US09540810B2
公开(公告)日：2017-01-10
申请号：US14044582
申请日：2013-10-02
Applicant: United States Gypsum Company
Inventor： Yijun Sang , Chris C. Lee , Cesar Chan , Weixin David Song
IPC: E04C2/26 , E04C2/04 , C04B28/14 , C08B30/14 , C09J103/02 , C09J103/08 , C08L3/02 , C08L3/08 , C04B111/00
CPC classification number: C04B28/14 , B28B1/16 , C04B24/38 , C04B2111/0062 , C04B2111/00672 , C08B30/14 , C08L3/02 , C08L3/08 , C09J103/02 , C09J103/08 , E04C2/043 , Y02W30/97 , Y10T428/253 , Y10T428/31971 , C04B24/383 , C04B14/28 , C04B18/24
Abstract: Disclosed are product (e.g., panels), slurry, and methods relating to a pregelatinized starch having a mid-range viscosity (i.e., from about 20 centipoise to about 700 centipoise), and an extruded pregelatinized starch.
Abstract translation: 公开了与具有中等范围粘度（即约20厘泊至约700厘泊）的预胶化淀粉相关的产品（例如面板），浆料和方法，以及挤出的预胶化淀粉。
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公开(公告)号：US20160375651A1
公开(公告)日：2016-12-29
申请号：US15186232
申请日：2016-06-17
Applicant: United States Gypsum Company
Inventor： Alfred C. Li , Weixin D. Song , Yijun Sang , Gregg G. Diefenbacher , Annamaria Vilinska , Brian J. Christ , Fredrick T. Jones , Bradley W. Todd
Abstract: Disclosed is a composite gypsum board comprising a hoard core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the board core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.
Abstract translation: 公开了一种复合石膏板，其包括囤积芯和基本厚度的浓缩层（例如，至少约0.02英寸）。 浓缩层包括比板芯更高重量百分比的增强添加剂。 板芯的厚度大于浓缩层的厚度，并形成板体的体积。 浓缩层具有比板芯的密度更高的密度（例如，至少约1.1倍）。 还公开了一种制备复合石膏板的方法。
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公开(公告)号：US20240033972A1
公开(公告)日：2024-02-01
申请号：US18349597
申请日：2023-07-10
Applicant: UNITED STATES GYPSUM COMPANY
CPC classification number: B28B19/0092 , C04B28/14 , C04B2111/0062
Abstract: A method and apparatus to manufacture gypsum board that directs a first portion of aqueous gypsum slurry to a front cover sheet, directs a second portion of aqueous gypsum slurry to a back cover sheet, passes the back cover sheet over a roller spaced above the front cover sheet so that a majority of the second aqueous gypsum slurry falls off the back cover sheet onto the first portion of aqueous gypsum slurry on the front cover sheet. A gypsum board made by the method or apparatus.
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公开(公告)号：US11040513B2
公开(公告)日：2021-06-22
申请号：US15186212
申请日：2016-06-17
Applicant: United States Gypsum Company
Inventor： Alfred C. Li , Weixin D. Song , Yijun Sang , Gregg G. Diefenbacher , Annamaria Vilinska , Brian J. Christ , Fredrick T. Jones , Bradley W. Todd
IPC: C04B28/14 , B32B7/02 , B32B13/08 , B32B13/14 , B32B37/14 , B32B13/02 , B32B13/04 , C04B11/00 , C04B24/38 , E04C2/04 , C04B22/16 , C04B111/00 , C04B111/30 , B32B37/15
Abstract: Disclosed is a composite gypsum board comprising a board core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the board core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.
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公开(公告)号：US10421250B2
公开(公告)日：2019-09-24
申请号：US15186176
申请日：2016-06-17
Applicant: United States Gypsum Company
Inventor： Alfred C. Li , Weixin D. Song , Yijun Sang , Gregg G. Diefenbacher , Annamaria Vilinska , Brian J. Christ , Fredrick T. Jones , Bradley W. Todd
IPC: B32B7/02 , B32B13/08 , B32B13/02 , B32B13/04 , C04B11/00 , C04B24/38 , E04C2/04 , C04B22/16 , B32B13/14 , C04B28/14 , C04B111/00 , C04B111/30
Abstract: Disclosed is a composite gypsum board comprising a board core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the board core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.
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Patent Agency Ranking
公开(公告)号：US20190062215A1
公开(公告)日：2019-02-28
申请号：US15971766
申请日：2018-05-04
Applicant: United States Gypsum Company
Inventor： Runhai Lu , Yijun Sang , Kyle Lucas
Abstract: Disclosed is gypsum board with good strength, as well as gypsum slurries, methods, and cover sheets. Board is formed using one or more of starch, electrolyte, and/or hydrophilic material. These strength ingredients can be applied onto a cover sheet before contacting a gypsum slurry used in forming a gypsum layer in the board, and/or can be incorporated into the gypsum slurry used for forming one or more gypsum layers in the board, e.g., the board core and/or a concentrated gypsum layer between the core and one or both cover sheets.
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公开(公告)号：US20160376191A1
公开(公告)日：2016-12-29
申请号：US15186257
申请日：2016-06-17
Applicant: United States Gypsum Company
Inventor： Alfred C. Li , Weixin D. Song , Yijun Sang , Gregg G. Diefenbacher , Annamaria Vilinska , Brian J. Christ , Fredrick T. Jones , Bradley W. Todd
Abstract: Disclosed is a composite gypsum board comprising a board core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the hoard core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.
Abstract translation: 公开了一种复合石膏板，其包括板芯和基本厚度的浓缩层（例如，至少约0.02英寸）。 浓缩层包括比囤芯更高重量的增强添加剂。 板芯的厚度大于浓缩层的厚度，并形成板体的体积。 浓缩层具有比板芯的密度更高的密度（例如，至少约1.1倍）。 还公开了一种制备复合石膏板的方法。
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公开(公告)号：US11787739B2
公开(公告)日：2023-10-17
申请号：US17025003
申请日：2020-09-18
Applicant: United States Gypsum Company
Inventor： Yijun Sang , Mark Hemphill
IPC: C04B24/38 , C04B28/14 , B32B13/04 , B32B13/08 , E04C2/04 , B32B37/00 , C09J103/02 , B32B37/15 , B32B38/00 , C04B111/00 , B32B38/16
CPC classification number: C04B24/383 , B32B13/04 , B32B13/08 , B32B37/0038 , B32B37/15 , B32B38/0036 , B32B38/164 , C04B28/14 , C09J103/02 , E04C2/043 , E04C2/049 , B32B38/0004 , B32B2038/166 , B32B2309/02 , B32B2315/18 , B32B2317/20 , C04B2111/0062 , C04B2201/50
Abstract: Disclosed is an acid-modified flour and a method of making the acid-modified flour. The acid-modified flour is desirably prepared using a dry milling process. A starting flour is combined with a strong acid to form a mixture. The mixture is heated. A neutralizer is added to increase the pH of the mixture. If desired, the mixture can be dried and any agglomerates can be removed. The acid-modified flour can be used as a binder in a slurry for preparing one or more gypsum layers in a gypsum board.
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公开(公告)号：US11773020B2
公开(公告)日：2023-10-03
申请号：US17306460
申请日：2021-05-03
Applicant: UNITED STATES GYPSUM COMPANY
Inventor： Yijun Sang , Brian J. Christ
IPC: C04B24/10 , B32B13/02 , C04B24/38 , C04B28/14 , E04B2/72 , C08B31/06 , C08L3/02 , C08L3/06 , C04B2/02 , C04B111/00
CPC classification number: C04B24/10 , B32B13/02 , C04B24/38 , C04B28/14 , B32B2607/00 , C04B2111/0062 , C04B2201/10 , C04B2235/447 , E04B2/723 , C04B28/14 , C04B22/16 , C04B24/38 , C04B2103/408
Abstract: Disclosed are product (e.g., board), slurry, and methods relating to an uncooked starch that can be used to enhance strength in one or more gypsum layers in the board. The uncooked starch has a hot water viscosity of from about 20 BU to about 300 BU according to the HWVA method, and/or a mid-range peak viscosity of from about 120 Brabender Units to about 1000 Brabender Units.
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公开(公告)号：US10781139B2
公开(公告)日：2020-09-22
申请号：US15914633
申请日：2018-03-07
Applicant: UNITED STATES GYPSUM COMPANY
Inventor： Renee J. Weinberger , Runhai Lu , Yijun Sang , Guy L. Rosenthal
IPC: C04B26/00 , C04B26/28 , C04B14/28 , C08B31/06 , C08L3/14 , C08L1/28 , C09J103/08 , C08L3/08 , C08B31/12 , C04B22/00 , C04B103/44 , C04B111/00
Abstract: Provided herein is a joint compound having a composition to allow tools to easily clean up, comprising water, at least one inert filler, and a binder comprising a sulfonated starch, and a method of preparing the joint compound.
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