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公开(公告)号:EP1587797A1
公开(公告)日:2005-10-26
申请号:EP04702691.9
申请日:2004-01-16
发明人: KUHRS, Christian , DANZ, Eckehard , STEINER, Wolfgang , RAHN, Ralf-Thomas , GRASSLER, Thomas , GEIER, Reiner , HARTH, Klaus , HÖLZLE, Markus
IPC分类号: C07D251/60
CPC分类号: C07D251/60
摘要: The invention relates to a method for the catalytic production of melamine by the decomposition of urea in particular on solid catalysts using a main and post reactor. A catalyst of low Lewis acidity is employed in the main reactor and in the post reactor a catalyst is employed with the same or preferably a greater Lewis acidity.
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公开(公告)号:EP0759896A1
公开(公告)日:1997-03-05
申请号:EP95920071.0
申请日:1995-05-19
发明人: BRUDERMÜLLER, Martin , IRGANG, Matthias , SCHMIDT-RADDE, Martin , MERGER, Franz , WITZEL, Tom , KRATZ, Detlef , DANZ, Eckehard , WITTWER, Arnold , HESSE, Michael , SAUERWALD, Manfred , FREIRE ERDBRÜGGER, Cristina
CPC分类号: C07C29/145 , B01J21/08 , B01J23/72 , B01J23/868 , C07C29/141 , C07C29/175 , C07C2601/08 , C07C2603/68 , C07C31/205 , C07C31/20 , C07C31/12 , C07C31/125 , C07C31/278 , C07C31/274
摘要: An alcohol preparation process is disclosed by catalytic hydrogenation of the corresponding carbonyl compounds at high temperature and pressure in liquid phase. A catalyst is used that contains copper on a SiO2-containing substrate in the presence or absence of one or several elements selected among magnesium, barium, zinc or chromium.
摘要翻译: 醇通过在液相中在升高的温度和超大气压下通过催化氢化制备,其中所用催化剂在含SiO 2的载体上含有铜,在存在或不存在一种或多种 元素镁,钡,锌和铬。
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公开(公告)号:EP1124781A1
公开(公告)日:2001-08-22
申请号:EP99953827.5
申请日:1999-10-14
发明人: DANZ, Eckehard , PANDL, Klaus
CPC分类号: C07C29/172 , C07C29/42 , C07C31/20 , C07C45/783 , C07C45/86 , C07C47/04 , C07C31/207
摘要: Aqueous formaldehyde solutions with a pH value of 3.4-4.2, containing a) 10-75 wt.% formaldehyde and b) 0-5000 wt.ppm tetroxane.
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公开(公告)号:EP1124781B1
公开(公告)日:2003-06-11
申请号:EP99953827.5
申请日:1999-10-14
发明人: DANZ, Eckehard , PANDL, Klaus
CPC分类号: C07C29/172 , C07C29/42 , C07C31/20 , C07C45/783 , C07C45/86 , C07C47/04 , C07C31/207
摘要: Aqueous formaldehyde solutions with a pH value of 3.4-4.2, containing a) 10-75 wt.% formaldehyde and b) 0-5000 wt.ppm tetroxane.
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公开(公告)号:EP0759896B1
公开(公告)日:2002-01-30
申请号:EP95920071.8
申请日:1995-05-19
发明人: BRUDERMÜLLER, Martin , IRGANG, Matthias , SCHMIDT-RADDE, Martin , MERGER, Franz , WITZEL, Tom , KRATZ, Detlef , DANZ, Eckehard , WITTWER, Arnold , HESSE, Michael , SAUERWALD, Manfred , FREIRE ERDBRÜGGER, Cristina
IPC分类号: C07C29/141 , C07C29/145 , C07C31/20 , C07C31/12 , C07C31/27 , C07C31/125
CPC分类号: C07C29/145 , B01J21/08 , B01J23/72 , B01J23/868 , C07C29/141 , C07C29/175 , C07C2601/08 , C07C2603/68 , C07C31/205 , C07C31/20 , C07C31/12 , C07C31/125 , C07C31/278 , C07C31/274
摘要: An alcohol preparation process is disclosed by catalytic hydrogenation of the corresponding carbonyl compounds at high temperature and pressure in liquid phase. A catalyst is used that contains copper on a SiO2-containing substrate in the presence or absence of one or several elements selected among magnesium, barium, zinc or chromium.
摘要翻译: 醇通过在液相中在升高的温度和超大气压下通过催化氢化制备,其中所用催化剂在含SiO 2的载体上含有铜,在存在或不存在一种或多种 元素镁,钡,锌和铬。
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