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公开(公告)号:US20080047628A1
公开(公告)日:2008-02-28
申请号:US11807325
申请日:2007-05-25
申请人: Thomas Davidson , Joshua Kinsley , Diego Torres
发明人: Thomas Davidson , Joshua Kinsley , Diego Torres
IPC分类号: B65B1/04
CPC分类号: B29C64/35 , B29C31/02 , B29C64/153 , B29K2105/251 , B33Y30/00 , B33Y40/00 , Y10T137/86187
摘要: The present invention is directed towards methods and apparatus for handling powder in a 3D printer. The invention includes a means of transporting powder from multiple sources to a powder dispensing apparatus with minimal user intervention, thus reducing contamination of the 3D printer and surrounding area with loose powder, while also providing a means of improving the recycling of powder for re-use.
摘要翻译: 本发明涉及在3D打印机中处理粉末的方法和设备。 本发明包括以最少的用户干预将粉末从多个来源输送到粉末分配装置的方法,从而减少三维打印机和周围区域用粉末粉末的污染,同时还提供了改善粉末再循环再利用的手段 。
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公开(公告)号:US20080234506A1
公开(公告)日:2008-09-25
申请号:US12052852
申请日:2008-03-21
申请人: Sergio Ferrino , Diego Torres , Vilas Dahanukar
发明人: Sergio Ferrino , Diego Torres , Vilas Dahanukar
IPC分类号: C07J5/00
CPC分类号: C07J5/00
摘要: There is provided a process for preparing 21-acetyloxy-6-alpha-fluoro-pregna-1,4,9(11),16-tetraene-3,20-dione compound of Formula I, which comprises reacting 21-acetyloxy-pregna-1,3,5,9(11),16-pentaene-3-oxo acetate with a fluorinating agent.
摘要翻译: 提供了制备式I的21-乙酰氧基-6-α-氟 - 前 - 1,4,9(11),16-四烯-3,20-二酮化合物的方法,该方法包括使21-乙酰氧基 - 前 - -1,3,5,9(11),16-戊烯-3-氧代乙酸酯与氟化剂。
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公开(公告)号:US08049021B2
公开(公告)日:2011-11-01
申请号:US12052852
申请日:2008-03-21
申请人: Sergio Ferrino , Diego Torres , Vilas Dahanukar
发明人: Sergio Ferrino , Diego Torres , Vilas Dahanukar
IPC分类号: C07J5/00
CPC分类号: C07J5/00
摘要: There is provided a process for preparing 21-acetyloxy-6-alpha-fluoro-pregna-1,4,9(11),16-tetraene-3,20-dione compound of Formula I, which comprises reacting 21-acetyloxy-pregna-1,3,5,9(11),16-pentaene-3-oxo acetate with a fluorinating agent.
摘要翻译: 提供了制备式I的21-乙酰氧基-6-α-氟 - 前 - 1,4,9(11),16-四烯-3,20-二酮化合物的方法,该方法包括使21-乙酰氧基 - 前 - -1,3,5,9(11),16-戊烯-3-氧代乙酸酯与氟化剂。
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