公开(公告)号：US09376342B2

公开(公告)日：2016-06-28

申请号：US14425908

申请日：2013-09-23

申请人： YARA INTERNATIONAL ASA

发明人： Wolfram Franke

IPC分类号： C04B22/08 ,  C04B7/26 ,  C04B28/00 ,  C04B28/02 ,  C04B40/00 ,  C04B24/18 ,  C04B111/76

CPC分类号： C04B7/26 ,  C04B22/085 ,  C04B24/18 ,  C04B28/00 ,  C04B28/02 ,  C04B28/021 ,  C04B40/0039 ,  C04B2111/766 ,  C04B2103/304 ,  C04B2103/32 ,  C04B2103/001 ,  C04B2103/0021

摘要： The present invention relates to an admixture for a cementitious composition and a method using said admixture for manufacturing a durable cementitious composition, in particular a concrete, in cold weather conditions, such as in winter time or in cold geographical areas.

摘要翻译： 本发明涉及一种水泥组合物的混合物，以及在寒冷天气条件下，例如冬季或寒冷地理区域中使用所述混合物制造耐久水泥组合物，特别是混凝土的方法。

公开(公告)号：US20190071367A1

公开(公告)日：2019-03-07

申请号：US15767177

申请日：2016-11-10

申请人： YARA INTERNATIONAL ASA

发明人： Wolfram Franke ,  Giuseppe Cilluffo ,  Mehrdad Torabzadegan

IPC分类号： C04B38/00 ,  C04B28/04

摘要： The invention relates to the use of calcium nitrate to reduce the pore size distribution of a hardened cementitious composition, preferably, a hardened concrete composition, wherein the cementitious (concrete) composition comprises between 1 weight % to 4 weight % of calcium nitrate of the cement content of the cementitious composition, depending on the type of cement. This results in a reduced permeability for the set cementitious (concrete) composition for carbon dioxide (CO2) and thus an elevated resistance towards carbonation. The invention furthermore relates to a method for producing such a hardened cementitious (concrete) composition and a pourable and curable (wet) concrete composition. The invention also relates to a steel reinforced concrete solid having an elevated resistance towards carbonation and a method for producing a steel reinforced concrete solid having an elevated resistance towards carbonation.

公开(公告)号：US10053389B2

公开(公告)日：2018-08-21

申请号：US15564857

申请日：2016-04-29

申请人： YARA INTERNATIONAL ASA

发明人： Gianluca Romegialli ,  Wolfram Franke ,  Giuseppe Cilluffo

IPC分类号： C04B28/02 ,  C04B22/08 ,  C04B20/00 ,  C04B20/02 ,  C04B20/04 ,  C04B40/06 ,  C04B103/12 ,  C04B111/00

CPC分类号： C04B22/085 ,  C04B20/008 ,  C04B20/026 ,  C04B20/04 ,  C04B28/02 ,  C04B40/0608 ,  C04B2103/12 ,  C04B2111/00637 ,  C04B20/0076

摘要： The application relates to the use of a powder comprising calcium nitrate as a setting accelerator for a tile adhesive blend, wherein nitrate powder comprising calcium nitrate, and optionally also comprising a nitrate salt different than the calcium nitrate, specifically potassium or ammonium nitrate, and having a particle size of between 0.01 mm and 1 mm is used as the setting accelerator. The application furthermore relates to a process for producing such a setting accelerator comprising, in one possible embodiment, the step of cutting or grinding prills and/or granules comprising the calcium nitrate and optionally the different nitrate salt, and in another embodiment, a spray drying process, resulting into the setting accelerator. The application also relates to a tile adhesive blend comprising at least a cement, sand and a such setting accelerator.

公开(公告)号：US10000399B2

公开(公告)日：2018-06-19

申请号：US15310639

申请日：2015-05-13

申请人： Yara International ASA

发明人： Hans-Werner Breiner ,  Thorsten Stoeck ,  Günther Doppelbauer ,  Wolfram Franke ,  Marina Ettl

IPC分类号： C02F3/34 ,  C02F3/30 ,  C02F101/12 ,  C02F101/16 ,  C02F103/08 ,  C02F103/24 ,  C02F103/34

CPC分类号： C02F3/34 ,  C02F3/305 ,  C02F2101/12 ,  C02F2101/163 ,  C02F2103/08 ,  C02F2103/24 ,  C02F2103/34 ,  Y02W10/37

摘要： The present invention concerns a biochemical process for the denitrification of a hypersaline wastewater composition.

公开(公告)号：US20180086668A1

公开(公告)日：2018-03-29

申请号：US15564857

申请日：2016-04-29

申请人： YARA INTERNATIONAL ASA

发明人： Gianluca Romegialli ,  Wolfram Franke ,  Giuseppe Cilluffo

IPC分类号： C04B22/08 ,  C04B28/02 ,  C04B20/02 ,  C04B20/04 ,  C04B20/00 ,  C04B40/06

CPC分类号： C04B22/085 ,  C04B20/008 ,  C04B20/026 ,  C04B20/04 ,  C04B28/02 ,  C04B40/0608 ,  C04B2103/12 ,  C04B2111/00637 ,  C04B20/0076

摘要： The application relates to the use of a powder comprising calcium nitrate as a setting accelerator for a tile adhesive blend, wherein nitrate powder comprising calcium nitrate, and optionally also comprising a nitrate salt different than the calcium nitrate, specifically potassium or ammonium nitrate, and having a particle size of between 0.01 mm and 1 mm is used as the setting accelerator. The application furthermore relates to a process for producing such a setting accelerator comprising, in one possible embodiment, the step of cutting or grinding prills and/or granules comprising the calcium nitrate and optionally the different nitrate salt, and in another embodiment, a spray drying process, resulting into the setting accelerator. The application also relates to a tile adhesive blend comprising at least a cement, sand and a such setting accelerator.

公开(公告)号：US11339094B2

公开(公告)日：2022-05-24

申请号：US16638720

申请日：2018-08-13

申请人： THE REGENTS OF THE UNIVERSITY OF CALIFORNIA ,  YARA INTERNATIONAL ASA ,  CONSTRUCTION RESEARCH & TECHNOLOGY GMBH

发明人： Gaurav N. Sant ,  Gabriel D. Falzone ,  Tandre Oey ,  Wolfram Franke ,  Paul Seiler ,  Erika Callagon La Plante

IPC分类号： C04B22/08 ,  C04B14/06 ,  C04B14/22 ,  C04B20/10 ,  C04B22/12 ,  C04B28/02 ,  C04B103/60 ,  C04B111/20

摘要： A manufacturing method includes: (1) incorporating at least one soluble, calcium, magnesium, or other divalent cation-containing additive into a concrete mixture including aggregates prone to alkali-silica reaction; and (2) curing the concrete mixture to form a concrete product.

公开(公告)号：US11286211B2

公开(公告)日：2022-03-29

申请号：US16978163

申请日：2019-03-05

申请人： YARA INTERNATIONAL ASA

发明人： Wolfram Franke ,  Hilde Thommesen

IPC分类号： C04B40/00 ,  C04B22/06 ,  C04B22/08 ,  C04B28/04 ,  C04B28/08 ,  C04B28/14 ,  C04B103/12 ,  C04B103/14

摘要： The present application relates to a setting and hardening accelerator for a cement, mortar or concrete composition, optionally comprising cement replacement materials (CSMs). The accelerator composition comprises an aqueous nitrate solution and an alkaline hydroxide. Particularly, the aqueous accelerator composition comprises between 30 and 55 w/w % of a nitrate salt as a nitrate solution and between 0.02 and 0.1 w/w % of an alkaline hydroxide, which is dissolved in the nitrate solution and, optionally, as a hydroxide precipitate in the accelerator composition, wherein the accelerator composition has a pH of at least 9.0. In case the cement, mortar or concrete composition comprises CSMs, the accelerator composition has a pH of at least 12.0. The application furthermore relates to the use of the accelerator composition according to the present application and to a method for accelerating a cement, mortar or concrete composition by reacting the composition with the accelerator according to the application, in particular at cold temperatures.

公开(公告)号：US20220064066A1

公开(公告)日：2022-03-03

申请号：US17527948

申请日：2021-11-16

申请人： The Regents of the University of California ,  Yara International ASA ,  BASF Corporation

发明人： Gaurav Sant ,  Gabriel Falzone ,  Tandre Oey ,  Wolfram Franke ,  Paul Seiler ,  Erika La Plante

IPC分类号： C04B22/08 ,  C04B14/06 ,  C04B14/22 ,  C04B20/10 ,  C04B22/12 ,  C04B28/02

摘要： A manufacturing method includes: (1) incorporating at least one soluble, calcium, magnesium, or other divalent cation-containing additive into a concrete mixture including aggregates prone to alkali-silica reaction; and (2) curing the concrete mixture to form a concrete product.

公开(公告)号：US11046895B2

公开(公告)日：2021-06-29

申请号：US16611230

申请日：2018-07-17

申请人： YARA INTERNATIONAL ASA

发明人： Wolfram Franke ,  Hilde Brekke Dahl Thommesen

IPC分类号： C10G29/06 ,  C10C3/04 ,  C10G27/04

摘要： The present application relates to a method to prevent the emission of hydrogen sulphide in the production of hot bitumen or asphalt having a temperature of between 150 and 200° C., wherein the method comprises the steps of providing a bituminous or asphalt mixture, heating the mixture until a temperature of between 150-200° C. and adding an aqueous calcium nitrate solution or a calcium nitrate powder while mixing the bituminous or asphalt mixture. The present application furthermore relates to the use of an aqueous calcium nitrate solution or a calcium nitrate powder during mixing of a bituminous or asphalt mixture in the production of a hot bitumen or asphalt having a temperature of between 150 and 200° C. to prevent the emission of hydrogen sulphide.

公开(公告)号：US09611176B2

公开(公告)日：2017-04-04

申请号：US15033956

申请日：2014-11-04

申请人： YARA INTERNATIONAL ASA

发明人： Wolfram Franke ,  Anne Mette Langholm ,  Hilde Brekke Dahl Thommesen ,  Bjørn Helge Engesveen

IPC分类号： C04B22/08 ,  C04B28/02 ,  C04B40/00 ,  C01F11/36 ,  C04B28/04 ,  C04B103/12

CPC分类号： C04B22/085 ,  C01F11/36 ,  C04B28/02 ,  C04B28/04 ,  C04B40/0042 ,  C04B2103/12 ,  C04B20/0076 ,  C04B40/0608 ,  C04B20/026 ,  C04B20/04

摘要： The invention relates to a setting accelerator for a dry mortar blend, the setting accelerator being in the form of a powder comprising calcium nitrate and having a water content between 0.1% and 20%. The invention furthermore relates to a process for producing such a setting accelerator, wherein either prills and/or granules comprising calcium nitrate and a different nitrate salt are processed forming a powder comprising calcium nitrate and the different nitrate salt and having a water content of higher than 5% and lower than 20%, either an aqueous solution at least comprising dissolved calcium nitrate is spray dried at a temperature between 150° C. and 250° C., forming a powder comprising at least calcium nitrate and having a water content between 0.1% and 20%, the powder serving as the setting accelerator. The invention also relates to a dry mortar blend comprising at least a cement, sand and a setting accelerator according to the invention and to a mortar paste comprising the dry mortar blend according to the invention which is mixed with water.