公开(公告)号：US20150315081A1

公开(公告)日：2015-11-05

申请号：US14268557

申请日：2014-05-02

Applicant: United States Gypsum Company

Inventor： Dennis Mark Lettkeman ,  John Wesley Wilson ,  William Kelly Bedwell ,  Gary Franklin Miller ,  Raymond A. Kaligian

IPC: C04B28/14 ,  E04F15/12 ,  C04B38/10

CPC classification number: C04B28/14 ,  C04B38/106 ,  C04B2111/00068 ,  C04B2111/0062 ,  C04B2111/60 ,  C04B2111/802 ,  E04F15/12 ,  C04B7/00 ,  C04B14/108 ,  C04B14/18 ,  C04B14/185 ,  C04B14/22 ,  C04B16/0633 ,  C04B16/08 ,  C04B38/10 ,  C04B2103/12 ,  C04B2103/22 ,  C04B2103/32 ,  C04B2103/402 ,  C04B2103/406

Abstract: An ultra-light, pourable, self-drying cementitious product with improved density control and ultra-low water demand is provided. Compositions and methods for making the products are provided as well, including compositions and methods with ultra-low water demand.

Abstract translation: 提供了一种超轻，可倾倒，自干燥的水泥质产品，具有改进的密度控制和超低的水需求。 还提供了制造产品的组合物和方法，包括具有超低需水量的组合物和方法。

公开(公告)号：US09708220B2

公开(公告)日：2017-07-18

申请号：US14714653

申请日：2015-05-18

Applicant: United States Gypsum Company

Inventor： Dennis Mark Lettkeman ,  John Wesley Wilson ,  William Kelly Bedwell ,  Raymond A. Kaligian

IPC: C04B28/06 ,  C04B28/14 ,  C04B111/00 ,  C04B111/72

CPC classification number: C04B28/06 ,  C04B28/14 ,  C04B2111/00482 ,  C04B2111/72 ,  Y02W30/97 ,  C04B7/02 ,  C04B7/32 ,  C04B14/043 ,  C04B14/062 ,  C04B14/18 ,  C04B14/24 ,  C04B14/28 ,  C04B14/365 ,  C04B20/1051 ,  C04B24/2623 ,  C04B24/383 ,  C04B14/303 ,  C04B16/0633 ,  C04B22/10 ,  C04B24/2647 ,  C04B24/38 ,  C04B16/065 ,  C04B18/24 ,  C04B22/143

Abstract: A cementitious hydrating patch composition is provided with improved strength and abrasion resistance. The patch comprises Portland cement in the amount from 2% to 10%, Calcium Sulfate Hemihydrate in the amount from 2% to 30%, Gypsum in the amount from 0% to 15%, Calcium Aluminate Cement in the amount from 15% to 40%, Calcium Carbonate in the amount from 0% to 40%, at least one filler in the amount from 1% to 30%; and at least one binder in the amount from 10% to 40%, wherein all amounts are based on dry weight of the composition. Methods of preparing and using the patch composition are provided as well.

公开(公告)号：US10662114B2

公开(公告)日：2020-05-26

申请号：US15959571

申请日：2018-04-23

Applicant: United States Gypsum Company

Inventor： Dennis Mark Lettkeman ,  John Wesley Wilson ,  William Kelly Bedwell ,  Gary Franklin Miller ,  Raymond A. Kaligian

IPC: C04B28/14 ,  C04B38/10 ,  E04F15/12 ,  C04B111/00 ,  C04B111/60 ,  C04B111/80

Abstract: An ultra-light, pourable, self-drying cementitious product with improved density control and ultra-low water demand is provided. Compositions and methods for making the products are provided as well, including compositions and methods with ultra-low water demand.

公开(公告)号：US09944556B2

公开(公告)日：2018-04-17

申请号：US14514961

申请日：2014-10-15

Applicant: United States Gypsum Company

Inventor： Dennis Mark Lettkeman ,  John Wesley Wilson ,  Mike L. Cloud ,  Brian K. Ball ,  Raymond A. Kaligian ,  Doug Blackburn

IPC: C04B11/00 ,  C04B11/26 ,  C04B7/04 ,  C04B18/04 ,  C04B20/10 ,  C04B20/12 ,  C04B28/14 ,  C04B103/00 ,  C04B111/80

CPC classification number: C04B11/00 ,  C04B7/04 ,  C04B20/1018 ,  C04B20/12 ,  C04B28/142 ,  C04B2103/0031 ,  C04B2111/802 ,  Y02W30/92 ,  Y02W30/94 ,  C04B22/143 ,  C04B20/107 ,  C04B7/02 ,  C04B40/0658 ,  C04B2103/0088 ,  C04B18/08 ,  C04B18/141 ,  C04B18/146

Abstract: DTPA-coated synthetic calcined gypsum is provided with alpha-like properties and obtained by spray-coating the synthetic caclined gypsum with DTPA. Cementitious compositions comprising DTPA-coated synthetic calcined gypsum and low water demand are provided as well. Methods for controlling an open time of a cementitious slurry by increasing or decreasing the amount of DTPA-coated synthetic calcined gypsum in the slurry are provided as well.

公开(公告)号：US20160107931A1

公开(公告)日：2016-04-21

申请号：US14514961

申请日：2014-10-15

Applicant: United States Gypsum Company

Inventor： Dennis Mark Lettkeman ,  John Wesley Wilson ,  Mike L. Cloud ,  Brian K. Ball ,  Raymond A. Kaligian ,  Doug Blackburn

IPC: C04B11/00 ,  C04B7/04

CPC classification number: C04B11/00 ,  C04B7/04 ,  C04B20/1018 ,  C04B20/12 ,  C04B28/142 ,  C04B2103/0031 ,  C04B2111/802 ,  Y02W30/92 ,  Y02W30/94 ,  C04B22/143 ,  C04B20/107 ,  C04B7/02 ,  C04B40/0658 ,  C04B2103/0088 ,  C04B18/08 ,  C04B18/141 ,  C04B18/146

Abstract: DTPA-coated synthetic calcined gypsum is provided with alpha-like properties and obtained by spray-coating the synthetic caclined gypsum with DTPA. Cementitious compositions comprising DTPA-coated synthetic calcined gypsum and low water demand are provided as well. Methods for controlling an open time of a cementitious slurry by increasing or decreasing the amount of DTPA-coated synthetic calcined gypsum in the slurry are provided as well.

Abstract translation: DTPA涂层合成煅烧石膏具有α样性质，并通过用DTPA喷涂合成的电缆石膏获得。 还提供了包含DTPA涂覆的合成煅烧石膏和低需水量的水泥组合物。 还提供了通过增加或减少浆料中DTPA涂覆的合成煅烧石膏的量来控制水泥浆的开放时间的方法。

公开(公告)号：US20180237341A1

公开(公告)日：2018-08-23

申请号：US15959571

申请日：2018-04-23

Applicant: United States Gypsum Company

Inventor： Dennis Mark Lettkeman ,  John Wesley Wilson ,  William Kelly Bedwell ,  Gary Franklin Miller ,  Raymond A. Kaligian

IPC: C04B28/14 ,  E04F15/12 ,  C04B38/10

Abstract: An ultra-light, pourable, self-drying cementitious product with improved density control and ultra-low water demand is provided. Compositions and methods for making the products are provided as well, including compositions and methods with ultra-low water demand.

公开(公告)号：US09975808B2

公开(公告)日：2018-05-22

申请号：US14268557

申请日：2014-05-02

Applicant: United States Gypsum Company

Inventor： Dennis Mark Lettkeman ,  John Wesley Wilson ,  William Kelly Bedwell ,  Gary Franklin Miller ,  Raymond A. Kaligian

IPC: C04B28/14 ,  C04B38/10 ,  E04F15/12 ,  C04B111/00 ,  C04B111/60 ,  C04B111/80

CPC classification number: C04B28/14 ,  C04B38/106 ,  C04B2111/00068 ,  C04B2111/0062 ,  C04B2111/60 ,  C04B2111/802 ,  E04F15/12 ,  C04B7/00 ,  C04B14/108 ,  C04B14/18 ,  C04B14/185 ,  C04B14/22 ,  C04B16/0633 ,  C04B16/08 ,  C04B38/10 ,  C04B2103/12 ,  C04B2103/22 ,  C04B2103/32 ,  C04B2103/402 ,  C04B2103/406

Abstract: An ultra-light, pourable, self-drying cementitious product with improved density control and ultra-low water demand is provided. Compositions and methods for making the products are provided as well, including compositions and methods with ultra-low water demand.

公开(公告)号：US20160340251A1

公开(公告)日：2016-11-24

申请号：US14714653

申请日：2015-05-18

Applicant: United States Gypsum Company

Inventor： Dennis Mark Lettkeman ,  John Wesley Wilson ,  William Kelly Bedwell ,  Raymond A. Kaligian

IPC: C04B28/06

CPC classification number: C04B28/06 ,  C04B28/14 ,  C04B2111/00482 ,  C04B2111/72 ,  Y02W30/97 ,  C04B7/02 ,  C04B7/32 ,  C04B14/043 ,  C04B14/062 ,  C04B14/18 ,  C04B14/24 ,  C04B14/28 ,  C04B14/365 ,  C04B20/1051 ,  C04B24/2623 ,  C04B24/383 ,  C04B14/303 ,  C04B16/0633 ,  C04B22/10 ,  C04B24/2647 ,  C04B24/38 ,  C04B16/065 ,  C04B18/24 ,  C04B22/143

Abstract: A cementitious hydrating patch composition is provided with improved strength and abrasion resistance. The patch comprises Portland cement in the amount from 2% to 10%, Calcium Sulfate Hemihydrate in the amount from 2% to 30%, Gypsum in the amount from 0% to 15%, Calcium Aluminate Cement in the amount from 15% to 40%, Calcium Carbonate in the amount from 0% to 40%, at least one filler in the amount from 1% to 30%; and at least one binder in the amount from 10% to 40%, wherein all amounts are based on dry weight of the composition. Methods of preparing and using the patch composition are provided as well.

Abstract translation: 提供水泥水合补片组合物具有改进的强度和耐磨性。 补片包括2％至10％的硅酸盐水泥，2％至30％的硫酸钙半水合物，石膏的量为0％至15％，铝酸钙水泥的用量为15％至40％ ％，碳酸钙，其量为0％至40％，至少一种填料量为1％至30％; 和至少一种量为10％至40％的粘合剂，其中所有量均基于组合物的干重。 还提供了制备和使用贴片组合物的方法。

公开(公告)号：US09346996B1

公开(公告)日：2016-05-24

申请号：US14623724

申请日：2015-02-17

Applicant: United States Gypsum Company

Inventor： Dennis Mark Lettkeman ,  John Wesley Wilson ,  Doug Blackburn ,  Brian K. Ball ,  Raymond A. Kaligian ,  Mike L. Cloud

IPC: C04B11/00 ,  C09K8/46 ,  E21B33/138

CPC classification number: C09K8/46 ,  C04B20/1018 ,  C04B28/142 ,  C09K8/467 ,  C04B22/143 ,  C04B7/02 ,  C04B14/28 ,  C04B2103/10 ,  C04B2103/20 ,  C04B2103/30 ,  C04B24/06 ,  C04B24/223

Abstract: An oil well cementing product comprising DTPA-coated synthetic calcined gypsum, at least one accelerator, at least one retarder, at least one plasticizer and limestone is provided. Also provided are methods for cementing oil wells with mixtures comprising DTPA-coated synthetic calcined gypsum, at least one accelerator, at least one retarder, at least one plasticizer and limestone.

Abstract translation: 提供了包含DTPA涂覆的合成煅烧石膏，至少一种促进剂，至少一种缓凝剂，至少一种增塑剂和石灰石的油井固井产品。 还提供了用于用包含DTPA涂覆的合成煅烧石膏，至少一种促进剂，至少一种缓凝剂，至少一种增塑剂和石灰石的混合物固定油井的方法。