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1. 发明申请

US20080087198A1 Gypsum composition 有权
公开(公告)号：US20080087198A1
公开(公告)日：2008-04-17
申请号：US11804000
申请日：2007-05-16
申请人： Steven A. Schwartz , Sallie J. Lee , Frank J. Liotta , Robert M. Arrell
发明人： Steven A. Schwartz , Sallie J. Lee , Frank J. Liotta , Robert M. Arrell
IPC分类号： C04B11/28
CPC分类号： C04B28/14 , C04B24/2647 , C04B2103/006 , C04B14/10 , C04B24/121 , C04B24/32 , C04B38/10 , C04B24/165 , C04B2103/12 , C04B22/124
摘要： A gypsum composition comprising water, stucco, clay, an amine compound, a polyoxyalkylene, and a comb-branched copolymer is disclosed. The gypsum composition has improved fluidity. A method for preparing the gypsum composition is also disclosed. The method comprises mixing the components to form a slurry, casting the slurry into a product, and drying the product.

2. 发明授权

US07261772B1 Gypsum composition 有权
标题翻译：石膏组成
公开(公告)号：US07261772B1
公开(公告)日：2007-08-28
申请号：US11581930
申请日：2006-10-17
申请人： Steven A. Schwartz , Sallie J. Lee , Frank J. Liotta, Jr. , Robert M. Arrell
发明人： Steven A. Schwartz , Sallie J. Lee , Frank J. Liotta, Jr. , Robert M. Arrell
IPC分类号： C04B11/00
CPC分类号： C04B28/14 , C04B24/2647 , C04B2103/006 , C04B14/10 , C04B24/121 , C04B24/32 , C04B38/10 , C04B24/165 , C04B2103/12 , C04B22/124
摘要： A gypsum composition comprising water, stucco, clay, an amine compound, a polyoxyalkylene, and a comb-branched copolymer is disclosed. The gypsum composition has improved fluidity. A method for preparing the gypsum composition is also disclosed. The method comprises mixing the components to form a slurry, casting the slurry into a product, and drying the product.
摘要翻译：公开了包含水，灰泥，粘土，胺化合物，聚氧化烯和梳状支化共聚物的石膏组合物。石膏组合物具有改善的流动性。还公开了一种制备石膏组合物的方法。该方法包括将组分混合以形成浆料，将浆料浇注到产品中，并干燥产物。

3. 发明授权

US07393424B2 Gypsum composition 有权
标题翻译：石膏组成
公开(公告)号：US07393424B2
公开(公告)日：2008-07-01
申请号：US11804000
申请日：2007-05-16
申请人： Steven A. Schwartz , Sallie J. Lee , Frank J. Liotta, Jr. , Robert M. Arrell
发明人： Steven A. Schwartz , Sallie J. Lee , Frank J. Liotta, Jr. , Robert M. Arrell
IPC分类号： B32B13/00
CPC分类号： C04B28/14 , C04B24/2647 , C04B2103/006 , C04B14/10 , C04B24/121 , C04B24/32 , C04B38/10 , C04B24/165 , C04B2103/12 , C04B22/124
摘要： A gypsum composition comprising water, stucco, clay, an amine compound, a polyoxyalkylene, and a comb-branched copolymer is disclosed. The gypsum composition has improved fluidity. A method for preparing the gypsum composition is also disclosed. The method comprises mixing the components to form a slurry, casting the slurry into a product, and drying the product.
摘要翻译：公开了包含水，灰泥，粘土，胺化合物，聚氧化烯和梳状支化共聚物的石膏组合物。石膏组合物具有改善的流动性。还公开了一种制备石膏组合物的方法。该方法包括将组分混合以形成浆料，将浆料浇注到产品中，并干燥产物。

4. 发明授权

US06512066B1 Process for making crosslinked polyvinylpyrrolidone with low swell volume 失效
标题翻译：具有低溶胀体积的交联聚乙烯吡咯烷酮的方法
公开(公告)号：US06512066B1
公开(公告)日：2003-01-28
申请号：US10075327
申请日：2002-02-14
申请人： Beth M. Steinmetz , Robert M. Arrell
发明人： Beth M. Steinmetz , Robert M. Arrell
IPC分类号： C08F2608
CPC分类号： C08F126/10
摘要： A two-step, base-catalyzed process for making crosslinked polyvinylpyrrolidone (PVP-P) having a low swell volume is disclosed. A crosslinker is generated “in situ” in the first step by heating a basic aqueous mixture containing a relatively low concentration of N-vinylpyrrolidone under added inert gas pressure. In a second step, the reactor temperature is reduced to initiate polymerization. The process is a productive way to make PVP-P that is easy to isolate and purify. The polymer has a swell volume less than about 40 mL H2O/10 g polymer, which makes it valuable for beverage clarification.
摘要翻译：公开了一种用于制备具有低膨胀体积的交联聚乙烯吡咯烷酮（PVP-P）的两步碱催化方法。通过在加入的惰性气体压力下加热含有较低浓度的N-乙烯基吡咯烷酮的碱性含水混合物，在第一步骤“原地”产生交联剂。在第二步中，降低反应器温度以引发聚合。该过程是使PVP-P易于分离和纯化的有效方式。该聚合物具有小于约40mL H 2 O / 10g聚合物的溶胀体积，这使得它对于饮料澄清是有价值的。

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