-
公开(公告)号:US12098103B2
公开(公告)日:2024-09-24
申请号:US17680467
申请日:2022-02-25
发明人: Eli Stav , Gene Whittington , Bradley J. Busche , R. G. Iyer , Elizabeth Burgess , Joseph J. Bailey
IPC分类号: C04B28/14 , B28B19/00 , B32B13/08 , C04B24/02 , C04B24/10 , C04B24/32 , C04B24/38 , C04B111/00
CPC分类号: C04B28/14 , B28B19/0092 , B32B13/08 , C04B24/02 , C04B24/10 , C04B24/32 , C04B24/38 , C04B2111/0062 , C04B2201/20
摘要: The present invention is directed to a gypsum board and a method of making such gypsum board. For instance, the gypsum board comprises a gypsum core, a first facing material, and a second facing material wherein the first facing material and the second facing material sandwich the gypsum core. The gypsum core comprises a first gypsum core section and a second gypsum core section each comprising gypsum, wherein the first gypsum core section comprises a polyol compound and has a density higher than a density of the second gypsum core section.
-
公开(公告)号:US12031328B2
公开(公告)日:2024-07-09
申请号:US17750548
申请日:2022-05-23
发明人: Eli Stav , Jie Ling , Brad Busche , Joseph J. Bailey , R. G. Iyer , Veda Evans
IPC分类号: E04C2/04 , C04B14/06 , C04B22/10 , C04B22/12 , C04B22/14 , C04B22/16 , C04B28/16 , C04B111/00 , C04B111/28
CPC分类号: E04C2/043 , C04B14/062 , C04B14/066 , C04B22/10 , C04B22/12 , C04B22/124 , C04B22/142 , C04B22/149 , C04B22/16 , C04B28/165 , C04B2111/0062 , C04B2111/28
摘要: The present disclosure is directed to a method of manufacturing gypsum board as well as the resulting gypsum board. The method comprises providing a gypsum slurry with a shrinkage-reducing additive comprising a metal salt of an acid, a silica, or a mixture thereof. As a result, the gypsum board includes gypsum and a shrinkage-reducing additive comprising a metal salt of an acid, a silica, or a mixture thereof. The gypsum board exhibits an area shrinkage of less than 10%.
-
公开(公告)号:US20240132406A1
公开(公告)日:2024-04-25
申请号:US18490869
申请日:2023-10-19
发明人: Veda Evans , Michael Blades , R. G. Iyer , Eli Stav , Bradley J. Busche , Craig Robertson , Gene Whittington , Joseph J. Bailey
CPC分类号: C04B28/14 , B32B5/02 , B32B7/02 , B32B13/02 , B32B13/08 , B32B13/14 , C04B18/167 , C04B2111/0062
摘要: The present invention is directed to a gypsum panel and a method of making such gypsum panel. For instance, in one embodiment, the gypsum panel comprises a gypsum core and a first facing material and a second facing material sandwiching the gypsum core, wherein the gypsum core includes gypsum and one or more components of a reclaim gypsum panel, such as reclaimed gypsum and reclaimed facing material. The methods of the present invention are directed to making the aforementioned gypsum panels by providing the first facing material, providing a gypsum slurry comprising gypsum, water, and one or more components of a reclaim gypsum panel, such as reclaimed gypsum and reclaimed facing material, onto the first facing material, and providing a second facing material on the gypsum slurry.
-
公开(公告)号:US20240124357A1
公开(公告)日:2024-04-18
申请号:US18486286
申请日:2023-10-13
发明人: R. G. Iyer , Bradley J. Busche , Eli Stav , Joseph J. Bailey , Brian Bland , Rick Atkisson
CPC分类号: C04B28/14 , C04B14/102 , C04B14/16 , C04B14/18 , C04B18/10 , C04B2111/0062
摘要: The present invention is directed to a gypsum panel and a method of making such gypsum panel. For instance, in one embodiment, the gypsum panel comprises a gypsum core and a first facing material and a second facing material sandwiching the gypsum core, wherein the gypsum core includes gypsum and one or more chloride ion mitigating additives. The methods of the present invention are directed to making the aforementioned gypsum panels by providing the first facing material, providing a gypsum slurry comprising gypsum, water, and the respective additive onto the first facing material, and providing a second facing material on the gypsum slurry.
-
公开(公告)号:US20240173941A1
公开(公告)日:2024-05-30
申请号:US18507190
申请日:2023-11-13
发明人: Eli Stav , R. G. Iyer , Bradley J. Busche , Joseph J. Bailey , Brian Bland , Veda Evans
IPC分类号: B32B13/02 , B32B7/02 , B32B13/04 , B32B37/15 , C04B14/06 , C04B14/16 , C04B24/42 , C04B28/14 , E04C2/04
CPC分类号: B32B13/02 , B32B7/02 , B32B13/04 , B32B37/15 , C04B14/062 , C04B14/16 , C04B24/42 , C04B28/14 , E04C2/043 , B32B2250/40 , B32B2264/0214 , B32B2264/1021 , B32B2264/303 , B32B2307/304 , B32B2307/3065 , B32B2307/308 , B32B2307/718 , B32B2307/72 , B32B2318/00 , B32B2607/00 , C04B2111/0062
摘要: The present invention is directed to a gypsum panel and a method of making such gypsum panel. For instance, in one embodiment, the gypsum panel comprises a gypsum core and a first facing material and a second facing material sandwiching the gypsum core, wherein the gypsum core includes gypsum and one or more fire resistance additives. The methods of the present invention are directed to making the aforementioned gypsum panels by providing the first facing material, providing a gypsum slurry comprising gypsum, water, and one or more fire resistance additives onto the first facing material, and providing a second facing material on the gypsum slurry.
-
公开(公告)号:US20240075708A1
公开(公告)日:2024-03-07
申请号:US18507158
申请日:2023-11-13
发明人: Joseph J. Bailey , Eli Stav , Richard Weir , R. G. Iyer
CPC分类号: B32B13/12 , B32B27/308 , E04B1/86 , E04C2/288 , E04C2/526 , G10K11/168 , B32B2307/10 , B32B2419/04
摘要: The present invention is directed to an improved gypsum board, such as an improved sound damping gypsum board. The gypsum board comprises a gypsum core including gypsum and a sound damping polymer. The gypsum core includes a first gypsum layer surface and a second gypsum layer surface opposing the first gypsum layer surface. In addition, a first encasing layer is disposed on the first gypsum layer surface and a second encasing layer is disposed on the second gypsum layer surface.
-
公开(公告)号:US20230416153A1
公开(公告)日:2023-12-28
申请号:US18319530
申请日:2023-05-18
发明人: R. G. Iyer , Terry Moser , Bradley J. Busche , Eli Stav , Michael N. Blades , Joseph J. Bailey , Craig Robertson , Daisha Holloman
IPC分类号: C04B28/14 , C04B14/22 , C04B24/38 , C04B38/10 , B32B13/02 , B32B13/08 , B32B13/14 , B32B5/02 , B32B7/02 , B32B37/24
CPC分类号: C04B28/14 , C04B14/22 , C04B24/38 , C04B38/10 , B32B13/02 , C04B2111/00629 , B32B13/14 , B32B5/022 , B32B7/02 , B32B37/24 , B32B13/08
摘要: The present invention is directed to a gypsum panel and a method of making a gypsum panel. The gypsum panel comprises a gypsum core and a facing material. The gypsum core includes gypsum, a foaming agent, and optionally starch in an amount of less than 4 wt. % based on the weight of gypsum. The gypsum core includes air voids having an average void size of 50 microns or more. The gypsum panel has a density of 33 pcf or less, a weight of 1,800 lbs/MSF or less, and an NRC value of 0.2 or more.
-
8.
公开(公告)号:US20220402240A1
公开(公告)日:2022-12-22
申请号:US17896232
申请日:2022-08-26
发明人: Brian G. Randall , Eli Stav , R. G. Iyer , Brian Bland
摘要: In general, the present invention is directed to the use of particular phosphorus containing compounds for making a glass mat faced gypsum board. The phosphorus containing compound may be a phosphite or a phosphate having a certain formula. In this regard, the present invention is directed to a glass mat faced gypsum board including a gypsum core that is formed from a gypsum slurry comprising such phosphorus containing compound. The present invention is also directed to a method of making a glass mat faced gypsum board.
-
公开(公告)号:US20240309639A1
公开(公告)日:2024-09-19
申请号:US18670937
申请日:2024-05-22
发明人: Eli Stav , Jie Ling , Brad Busche , Joseph J. Bailey , R. G. Iyer , Veda Evans
IPC分类号: E04C2/04 , C04B14/06 , C04B22/10 , C04B22/12 , C04B22/14 , C04B22/16 , C04B28/16 , C04B111/00 , C04B111/28
CPC分类号: E04C2/043 , C04B14/062 , C04B14/066 , C04B22/10 , C04B22/12 , C04B22/124 , C04B22/142 , C04B22/149 , C04B22/16 , C04B28/165 , C04B2111/0062 , C04B2111/28
摘要: The present disclosure is directed to a method of manufacturing gypsum board as well as the resulting gypsum board. The method comprises providing a gypsum slurry with a shrinkage-reducing additive comprising a metal salt of an acid, a silica, or a mixture thereof. As a result, the gypsum board includes gypsum and a shrinkage-reducing additive comprising a metal salt of an acid, a silica, or a mixture thereof. The gypsum board exhibits an area shrinkage of less than 20%.
-
公开(公告)号:US20230159393A1
公开(公告)日:2023-05-25
申请号:US17992366
申请日:2022-11-22
发明人: Robert Piercy , Gene Whittington , R. G. Iyer , Eli Stav
CPC分类号: C04B24/10 , C04B28/14 , C04B38/0054 , B32B5/18 , C04B2111/0062
摘要: The present invention is directed to a gypsum panel and a method of making such gypsum panel. For instance, in one embodiment, the gypsum panel comprises a gypsum core and a first facing material and a second facing material sandwiching the gypsum core, wherein the gypsum core includes gypsum and an alkoxylated compound. In another embodiment, the gypsum panel comprises a gypsum core and a first facing material and a second facing material sandwiching the gypsum core, wherein the gypsum core includes gypsum and a polyol compound and wherein the gypsum panel exhibits a humidified deflection of greater than 0 inches to 0.05 inches. The methods of the present invention are directed to making the aforementioned gypsum panels by providing the first facing material, providing a gypsum slurry comprising gypsum, water, and the respective compound onto the first facing material, and providing the second facing material on the gypsum slurry.
-
-
-
-
-
-
-
-
-