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公开(公告)号：US09764963B2
公开(公告)日：2017-09-19
申请号：US14696652
申请日：2015-04-27
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Tilman Zipplies , Klaus Hintzer , Thorsten Gerdes , Achim Schmidt-Rodenkirchen , Sebastian Seidl , Thomas Berger
CPC classification number: C01F11/22 , C01B7/191 , C01B7/192 , C01P2004/61 , C01P2006/12 , C01P2006/20 , C01P2006/80
Abstract: The invention relates to a process for producing free-flowing calcium fluoride particles from a diluted aqueous solution of hydrogen fluoride comprising the step of reacting the diluted aqueous solution of hydrogen fluoride with calcium carbonate particles at a temperature of less than 50° C. The invention further relates to the use of the free-flowing calcium fluoride particles for the manufacturing of anhydrous hydrogen fluoride.
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2.发明申请Method for the Production of Free Flowing Synthetic Calcium Fluoride and Use thereof 有权自由流动合成氟化钙的制备方法及其应用公开(公告)号：US20150353372A1
公开(公告)日：2015-12-10
申请号：US14696652
申请日：2015-04-27
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Tilman Zipplies , Klaus Hintzer , Thorsten Gerdes , Achim Schmidt-Rodenkirchen , Sebastian Seidl , Thomas Berger
CPC classification number: C01F11/22 , C01B7/191 , C01B7/192 , C01P2004/61 , C01P2006/12 , C01P2006/20 , C01P2006/80
Abstract: The invention relates to a process for producing free-flowing calcium fluoride particles from a diluted aqueous solution of hydrogen fluoride comprising the step of reacting the diluted aqueous solution of hydrogen fluoride with calcium carbonate particles at a temperature of less than 50° C.The invention further relates to the use of the free-flowing calcium fluoride particles for the manufacturing of anhydrous hydrogen fluoride.
Abstract translation: 本发明涉及从稀释的氟化氢水溶液中产生自由流动的氟化钙颗粒的方法，包括在低于50℃的温度下使稀释的氟化氢水溶液与碳酸钙颗粒反应的步骤。本发明 还涉及使用自由流动的氟化钙颗粒制造无水氟化氢。
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