公开(公告)号：US5264634A

公开(公告)日：1993-11-23

申请号：US864513

申请日：1992-04-07

申请人： Winfried Becker ,  Stephan Weidlich

发明人： Winfried Becker ,  Stephan Weidlich

IPC分类号： C07F3/00 ,  C04B41/45 ,  C04B41/81 ,  C07C43/13 ,  C07C49/12 ,  C07C49/92 ,  C07F3/04 ,  C23C16/40 ,  H01L39/24

CPC分类号： C04B41/009 ,  C04B41/4554 ,  C04B41/81 ,  C07C49/92 ,  C23C16/408 ,  H01L39/2477

摘要： An alkaline earth metal chelate complex of 2,2,6,6-tetramethylheptanedione of the formula (I)M.sup.2+ (C.sub.11 H.sub.19 O.sub.2).sup.-.sub.2.L.sub.k (I)is described, in which M is calcium, strontium or barium, L is a ligand and k is a number from 1 to 3, the complex being free of water of hydration and the ligand L being an aliphatic ether having at least two oxygen atoms in the molecule. A process for the preparation of the chelate complex and its use for the production of coated substrates are also described.

摘要翻译： 描述了式（I）M2 +（C11H19O2）-2.Lk（I）的2,2,6,6-四甲基庚二酮的碱土金属螯合络合物，其中M是钙，锶或钡，L是配体 并且k为1至3的数，该络合物不含水合水，配体L为分子中具有至少两个氧原子的脂族醚。 还描述了制备螯合络合物的方法及其用于生产涂覆的基材的用途。

公开(公告)号：US06849243B1

公开(公告)日：2005-02-01

申请号：US09937524

申请日：2000-03-21

申请人： Alfred Hagemeyer ,  Harald Werner ,  Uwe Dingerdissen ,  Klaus Kühlein ,  Günter Dambeck ,  Gerhardt Geiss ,  Andrea Rutsch ,  Stephan Weidlich

发明人： Alfred Hagemeyer ,  Harald Werner ,  Uwe Dingerdissen ,  Klaus Kühlein ,  Günter Dambeck ,  Gerhardt Geiss ,  Andrea Rutsch ,  Stephan Weidlich

IPC分类号： B01J23/52 ,  B01J23/58 ,  B01J23/66 ,  B01J37/02 ,  B01J37/18 ,  C07B61/00 ,  C07C67/05 ,  C07C67/055 ,  C07C69/15 ,  C01B21/068 ,  C01B33/06

CPC分类号： B01J23/66 ,  B01J23/52 ,  B01J23/58 ,  C07C67/055 ,  C07C69/01 ,  C07C69/15

摘要： The invention relates to a supported catalyst and the production and use thereof in the synthesis of vinyl acetate in the gaseous phase from ethylene, acetic acid and oxygen, or from gases containing oxygen, whereby the activity and selectivity are simultaneously improved. The catalyst contains palladium, at least one alkali metal compound and optionally one or more catalyst accelerators, in particular, gold, barium and/or cadmium on a porous support. Said support contains at least one reducible metal oxide, in particular oxides of the elements of groups IIIb, IVb, Vb, VIb from the periodic table of elements. Once the support has been loaded with at least one palladium compound, a reduction is carried out at a temperature of >200° C.

摘要翻译： 本发明涉及负载催化剂及其在乙烯，乙酸和氧气或含氧气体合成乙酸乙烯酯的生产和应用，从而同时改善活性和选择性。 催化剂包含钯，至少一种碱金属化合物和任选的一种或多种催化剂促进剂，特别是多孔载体上的金，钡和/或镉。 所述载体包含至少一种可还原金属氧化物，特别是元素周期表中IIIb，IVb，Vb，VIb族元素的氧化物。 一旦载体上载有至少一种钯化合物，在> 200℃的温度下进行还原