会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 11. 发明授权
    • Process for the preparation of a hydrogenation catalyst
    • 制备氢化催化剂的方法
    • US5817592A
    • 1998-10-06
    • US590455
    • 1996-01-23
    • Daniel HeinekeHeinz-Walter SchneiderAlfred Thome
    • Daniel HeinekeHeinz-Walter SchneiderAlfred Thome
    • B01J23/42B01J23/96B01J37/16B01J38/64C01B21/14B01J21/18B01J23/16B01J27/185
    • B01J23/42B01J37/16C01B21/1418
    • A process for the preparation of a hydrogenation catalyst by reduction of platinum in an oxidation stage of not less than 2 in an aqueous medium in the presence of a carboniferous support, optionally following partial poisoning with a sulfur, arsenic, tellurium, or antimony-containing compound, using a reducing agent, in which the reducing agent used is an ammonium or phosphonium salt of the general formula I �XR.sup.4 !.sub.n Y I in which X stands for N or P, R stands for hydrogen, C.sub.1 --C.sub.18 alkyl, C.sub.5 --C.sub.10 cycloalkyl, phenyl radical, and also a C.sub.1 --C.sub.4 alkyl radical substituted by phenyl, the phenyl radicals being mono-to tri-substituted by C.sub.1 --C.sub.6 alkyl, halogen, nitro or amino, if desired, provided that the radicals R may be the same or different but cannot simultaneously denote hydrogen, if X is P, n is an integer of 1 to 3, and Y is an organic anion which can reduce platinum in an oxidation stage other than zero to platinum in the oxidation stage of zero.
    • 一种通过在含水载体的存在下在水性介质中在不少于2的氧化阶段还原铂的氢化催化剂的方法,任选地在用硫,砷,碲或含锑的部分中毒后 化合物,使用还原剂,其中所用的还原剂是通式I [XR4] nYinin的铵盐或鏻盐,其中X代表N或P,R代表氢,C1-C18烷基,C5-C10环烷基 苯基,以及被苯基取代的C1-C4烷基,如果需要,苯基由C1-C6烷基,卤素,硝基或氨基单取代至三取代,条件是基团R可以相同 或不同,但不能同时表示氢,如果X为P,n为1至3的整数,Y为有机阴离子,在氧化阶段为零的情况下,铂可以在除氧以外的氧化阶段中还原为铂。
    • 13. 发明授权
    • Process for producing crystals
    • 晶体生产工艺
    • US07056356B2
    • 2006-06-06
    • US10296442
    • 2001-05-21
    • Peter Mark AllenChristoph GahnChristopher William RiekerHeinz-Walter SchneiderRobert Wagner
    • Peter Mark AllenChristoph GahnChristopher William RiekerHeinz-Walter SchneiderRobert Wagner
    • B01D9/00
    • B01D9/0022B01D9/0031B01D9/0036B01D9/0059
    • An apparatus and a process for crystallizing substances from solutions or dispersions containing these substances, in a crystallizer containing a classifying zone (3), comprise a) an inner and an outer circulation system (1; 2), the inner circulation system (1) being present in the crystallizer, the inlet of the outer circulation system (2) being connected to the inner circulation system (1) via the classifying zone (3), the outer circulation system, being present outside the crystallizer, the outlet of the outer circulation system (2) being connected to the inner circulation system (1) of the crystallizer, and a means for dissolving crystals being arranged in the outer circulation system (2), before its outlet, b) an inflow (4) for solution and/or dispersion, which inflow is present on the crystallizer or on the outer circulation system, and c) an outflow (5) for dispersions, which outflow is arranged on the crystallizer or on the outer circulation system. The novel apparatus has the special feature that a line (8) connecting the outer and inner circulation systems (1; 2) to one another and intended for transporting (recycling) dispersion and/or a line (8) for transporting (recycling) dispersion are additionally present, in which both its entrance and its exit are connected to the inner circulation system (1).
    • 一种用于在含有分级区(3)的结晶器中使含有这些物质的溶液或分散液中的物质结晶的装置和方法包括:a)内循环系统(1; 2),内循环系统(1) 存在于结晶器中,外循环系统(2)的入口经由分级区(3)连接到内循环系统(1),外循环系统存在于结晶器外部,外部出口 循环系统(2)连接到结晶器的内循环系统(1),以及用于溶解布置在外循环系统(2)中的晶体在其出口之前的装置,b)用于溶液的流入物(4) /或分散体,其流入存在于结晶器或外循环系统上,以及c)用于分散体的流出物(5),该流出物布置在结晶器或外循环系统上。 该新型装置的特征在于,将外部和内部循环系统(1; 2)彼此连接并用于运输(再循环)分散体和/或用于运输(再循环)分散体的管线(8)的管线(8) 另外存在,其入口和出口都连接到内循环系统(1)。
    • 14. 发明授权
    • Preparation of 5-methylbutyrolactone
    • 5-甲基丁酰胺的制备
    • US5189182A
    • 1993-02-23
    • US236199
    • 1988-08-25
    • Rudolf KummerHeinz-Walter SchneiderWerner BertleffRolf FischerUwe VagtFritz NaeumannWolfgang HoelderichMatthias Schwarzmann
    • Rudolf KummerHeinz-Walter SchneiderWerner BertleffRolf FischerUwe VagtFritz NaeumannWolfgang HoelderichMatthias Schwarzmann
    • C07D315/00
    • C07D315/00
    • 5-Methylbutyrolactone is prepared by a process in which a pentenoic ester of the formula IX--CO.sub.2 R (I),where X is CH.sub.2 .dbd.CH--CH.sub.2 --CH.sub.2 --, CH.sub.3 --CH.dbd.CH--CH.sub.2 -- or CH.sub.3 --CH.sub.2 --CH.dbd.CH-- and R is alkyl, cycloalkyl, aralkyl or aryl, or a mixture of these esters is reacted with water at from 50.degree. to 350.degree. C. in the presence or absence of a diluenta) over a zeolite and/or phosphate catalyst orb) in the presence of from 0.01 to 0.25 mole of a sulfonic acid, a Lewis acid and/or a non-oxidizing mineral acid per mole of pentenoic ester or over from 0.1 to 40% by weight, based on the pentenoic ester, of a strongly acidic ion exchanger as a catalyst in a first stage, or the pentenoic ester of the formula I, where X and R have the stated meanings, is hydrolyzed in a first stage with the aid of a strongly acidic ion exchanger as a catalyst to give the pentenoic acid of the formula I, where R is hydrogen, and the resulting pentenoic acid is subjected to cyclization in a second stage in the presence of from 0.005 to 0.1 mole of a sulfonic acid, a Lewis acid or a non-oxidizing mineral acid per mole of pentenoic acid or over from 0.1 to 20% by weight, based on the pentenoic acid, of a strongly acidic ion exchanger at from 50.degree. to 350.degree. C.
    • 通过以下方法制备5-甲基丁内酯,其中式I X-CO 2 R(I)的戊烯酸酯,其中X为CH 2 = CH-CH 2 -CH 2 - ,CH 3 -CH = CH-CH 2 - 或CH 3 -CH 2 -CH = CH-和R是烷基,环烷基,芳烷基或芳基,或这些酯的混合物与水在50-350℃下在存在或不存在稀释剂a)的情况下与沸石和/或磷酸盐 催化剂或b)在0.01至0.25摩尔磺酸,路易斯酸和/或非氧化性无机酸/摩尔烯酸酯存在下或基于戊烯酸酯为0.1至40重量% 的作为第一阶段的催化剂的强酸性离子交换剂或其中X和R具有所述含义的式I的戊烯酸在第一阶段中借助于强酸性离子交换剂作为 催化剂得到式I的戊烯酸,其中R是氢,所得戊烯酸在第二阶段中在0.005t的存在下进行环化 o 0.1摩尔磺酸,路易斯酸或非氧化性无机酸/摩尔烯酸,或超过0.1-20重量%,基于戊烯酸,强酸性离子交换剂为50〜 350℃