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    • 21. 发明授权
    • Method of manufacturing a hydrogenation catalyst
    • 制造氢化催化剂的方法
    • US6083468A
    • 2000-07-04
    • US155908
    • 1998-10-08
    • Daniel HeinekeGunther AchhammerHeinz-Walter SchneiderAlfred Thome
    • Daniel HeinekeGunther AchhammerHeinz-Walter SchneiderAlfred Thome
    • B01J23/42B01J37/20C01B21/14C01C1/00
    • B01J23/42C01B21/1418
    • A hydrogenation catalyst is prepared by reduction of platinum in an oxidation state of not less than two using a reducing agent in an aqueous medium in the presence of a carbon-containing support after partial poisoning, where use is made of a compound of the general formula I ##STR1## where X, Y and Z can be identical or different and are hydrogen, C.sub.1 -C.sub.18 -alkyl, C.sub.5 -C.sub.10 -cycloalkyl, halogen, hydroxyl, C.sub.1 -C.sub.6 -alkoxy and --NR'R", where R, R' and R" can be identical or different and can be hydrogen, C.sub.1 -C.sub.18 -alkyl or C.sub.5 -C.sub.10 -cycloalkyl. Such a hydrogenation catalyst can be used for preparing hydroxylammonium salts and the process for preparing the above catalysts can also be used for regenerating hydrogenation catalysts based on platinum.
    • PCT No.PCT / EP97 / 01617 Sec。 371日期:1998年10月8日 102(e)日期1998年10月8日PCT 1997年4月1日PCT PCT。 出版物WO97 / 37758 日期:1997年10月16日氢化催化剂是通过在部分中毒后在含碳载体存在下,在水性介质中使用还原剂还原不少于2的铂的氢化催化剂,其中使用 其中X,Y和Z可以相同或不同,为氢,C 1 -C 18 - 烷基,C 5 -C 10 - 环烷基,卤素,羟基,C 1 -C 6 - 烷氧基和-NR'R“的通式I化合物, 其中R,R'和R“可以相同或不同,并且可以是氢,C 1 -C 18 - 烷基或C 5 -C 10 - 环烷基。 这种氢化催化剂可用于制备羟铵盐,并且制备上述催化剂的方法也可用于再生基于铂的氢化催化剂。
    • 24. 发明授权
    • Obtaining C.sub.1 -C.sub.4 -alkyl pentenoates by distillation
    • 通过蒸馏获得戊烯酸C1-C4烷基酯
    • US4586987A
    • 1986-05-06
    • US721810
    • 1985-04-10
    • Heinz-Walter SchneiderRudolf KummerOtto LemanPaul Panitz
    • Heinz-Walter SchneiderRudolf KummerOtto LemanPaul Panitz
    • B01J31/00B01J31/20C07B61/00C07C67/38C07C69/533B01D3/34C07C67/54
    • C07C67/54
    • C.sub.1 -C.sub.4 -alkyl pentenoates are obtained from reaction mixtures which contain this and which are obtained by reacting butadiene, or a butadiene-containing hydrocarbon mixture, with carbon monoxide and a C.sub.1 -C.sub.4 -alkanol, in the presence of a cobalt carbonyl catalyst and a tertiary nitrogen base at elevated temperatures and under superatmospheric pressure by a process in which(a) the liquid reaction mixture freed from excess carbon monoxide is treated with hydrogen at elevated temperatures and under from 5 to 80 bar,(b) hydrocarbons are distilled off from the resulting liquid reaction mixture,(c) the C.sub.1 -C.sub.4 -alkyl pentenoate, the alkanol and the nitrogen base are then distilled off under reduced pressure, and(d) the C.sub.1 -C.sub.4 -alkyl pentenoate is obtained by fractional distillation from the distillate containing this compound, the alkanol and the tertiary nitrogen base.
    • 由含有这一点的反应混合物获得戊烯酸C 1 -C 4烷基酯,其通过使丁二烯或含丁二烯的烃混合物与一氧化碳和C 1 -C 4烷醇在羰基钴催化剂存在下反应获得, 在高温和超大气压下,通过一种方法,(a)在高温和5至80巴下用氢处理脱除过量一氧化碳的液体反应混合物,(b)将烃蒸馏掉, 从所得液体反应混合物中,(c)戊烯酸C 1 -C 4烷基酯,然后在减压下蒸馏除去链烷醇和氮碱,并且(d)戊烯酸C1-C4烷基酯是通过从 含有该化合物的馏出物,链烷醇和叔氮碱。
    • 26. 发明授权
    • Preparation of formylvalerates
    • 甲酰戊酸的制备
    • US4360692A
    • 1982-11-23
    • US205569
    • 1980-11-10
    • Rudolf KummerHeinz-Walter Schneider
    • Rudolf KummerHeinz-Walter Schneider
    • B01J31/00B01J31/20C07B61/00C07C67/38C07C69/67
    • C07C67/347C07C67/38
    • An improved process for the preparation of alkyl formylvalerates, wherein butadiene or a butadiene-containing hydrocarbon mixture is reacted, in a first stage, with carbon monoxide and alkanols in the presence of cobalt carbonyl complexes and, per mole of butadiene, from 0.5 to 2 moles of tertiary nitrogen bases having a pK.sub.a of from 3 to 11, at from 80.degree. to 150.degree. C. and from 300 to 2,000 bar, and, in a second stage, the resulting alkyl pentenoate is reacted with carbon monoxide and hydrogen in the presence of cobalt carbonyl complexes at from 100.degree. to 160.degree. C. and from 100 to 300 bar, the improvement being that tertiary nitrogen bases, excess alkanols and any unconverted hydrocarbons are distilled off from the reaction mixture obtained in the first stage, with the proviso that the reaction mixture is treated, before or during the distillation, with gases containing molecular oxygen, and the residual reaction mixture containing alkyl pentenoate and cobalt catalyst is used in the second stage.
    • 一种改进的制备烷基甲酰基戊酸酯的方法,其中丁二烯或含丁二烯的烃混合物在第一阶段中与一氧化碳和链烷醇在钴羰基络合物和每摩尔丁二烯的存在下反应,为0.5至2 具有pKa为3至11,80至150℃和300至2,000巴的叔氮碱的摩尔数,并且在第二阶段中,使得到的戊烯酸烷基酯与一氧化碳和氢气在 在100至160℃和100至300巴存在钴羰基络合物,其改进是从第一阶段获得的反应混合物中蒸馏掉叔氮碱,过量链烷醇和任何未转化的烃, 条件是反应混合物在蒸馏之前或期间用含有分子氧的气体进行处理,并且含有戊烯酸烷基酯和钴催化剂的残余反应混合物用于 第二阶段
    • 29. 发明授权
    • Continuous production of ethanol and plural stage distillation of the
same
    • 连续生产乙醇和多级蒸馏相同
    • US4454358A
    • 1984-06-12
    • US337683
    • 1982-01-07
    • Rudolf KummerVolker TaglieberHeinz-Walter Schneider
    • Rudolf KummerVolker TaglieberHeinz-Walter Schneider
    • C07C29/132B01J31/00B01J31/20C07B61/00C07C27/00C07C27/04C07C29/149C07C29/80C07C29/92C07C31/08C07C67/00B01D3/00
    • C07C29/80C07C29/149C07C67/08C07C67/36C07C67/54Y02P20/52Y10S203/06Y10S203/20
    • Ethanol is produced continuously via the carbonylation of methanol, by(a) carbonylating methanol, in a reactor R, in the presence of a carbonyl complex of a metal of group VIII of the periodic table and of a halogen compound,(b) separating, in a distillation column D1, the reactor discharge, into a top fraction comprising methyl acetate, methanol, dimethyl ether and an organohalogen compound, and into a bottom fraction comprising water, small quantities of acetic acid and the catalyst, if the latter is not in a fixed bed, the residence time being so adjusted that the greater part of the acetic acid reacts with the methanol present to give methyl acetate,(c) separating the top fraction from D1, in a distillation column D2, into a top fraction comprising small quantities of methyl acetate, methanol, dimethyl ether and the organo-halogen compound, and a bottom fraction comprising methyl acetate and methanol, and recycling the top fraction to reactor R,(d) distilling off, via the top of distillation column D3, the greater part of the water from the bottom fraction from D1and removing this water from circulation, and recycling to reactor R the bottom fraction consisting of small quantities of water, acetic acid and the catalyst,(e) using hydrogen to hydrogenate, in the hydrogenation reactor H, the bottom fraction from D2, in a conventional manner, to give a mixture of methanol and ethanol, and(f) separating the mixture into ethanol and methanol in a distillation column D4, and recycling the methanol to reactor R.
    • 通过(a)在反应器R中羰基化甲醇,在周期表第VIII族金属的羰基络合物和卤素化合物的存在下,连续生产乙醇,(b)分离, 在蒸馏塔D1中,反应器排出成为包含乙酸甲酯,甲醇,二甲醚和有机卤素化合物的顶级馏分,并进入包含水,少量乙酸和催化剂的底部馏分,如果后者不在 固定床,停留时间如此调节,使得大部分乙酸与存在的甲醇反应得到乙酸甲酯,(c)将蒸馏塔D2中的顶馏分与D1分离成包含小分子的顶馏分 数量的乙酸甲酯,甲醇,二甲醚和有机卤素化合物,以及包含乙酸甲酯和甲醇的底部馏分,并将顶部馏分再循环到反应器R中,(d)通过顶部o蒸馏 f蒸馏塔D3,来自D1的底部馏分的大部分水从循环中除去,并且将反应器R再循环到由少量水,乙酸和催化剂组成的底部馏分,(e)使用氢气 以常规方式在氢化反应器H中将来自D2的塔底馏分氢化,得到甲醇和乙醇的混合物,和(f)将混合物在蒸馏塔D4中分离成乙醇和甲醇,并将甲醇再循环至 反应器