公开(公告)号：US07442817B1

公开(公告)日：2008-10-28

申请号：US09627306

申请日：2000-07-27

申请人： Giuseppe Paparatto ,  Anna Forlin ,  Paolo Tegon

发明人： Giuseppe Paparatto ,  Anna Forlin ,  Paolo Tegon

IPC分类号： C07D301/12

CPC分类号： C07D301/12

摘要： A process in continuous is described for the preparation of oxides of olefins by the direct epoxidation of an olefin with hydrogen peroxide, or compounds capable of producing hydrogen peroxide under the reaction conditions, in a solvent medium, in the presence of a catalytic system consisting of a zeolite containing titanium and a nitrogenated organic base having formula (I).The process allows the production of high conversions and selectivities of the olefin into the corresponding oxide with a stable catalytic activity over a period of time.

摘要翻译： 描述了连续的方法，通过在溶剂介质中，在催化体系存在下，用过氧化氢直接环氧化烯烃或在反应条件下能够产生过氧化氢的化合物来制备烯烃氧化物，催化体系由 含有钛的沸石和具有式（I）的氮化有机碱。 该方法允许将烯烃的高转化率和选择性在一段时间内以稳定的催化活性生成相应的氧化物。

公开(公告)号：US07241931B2

公开(公告)日：2007-07-10

申请号：US11333201

申请日：2006-01-18

申请人： Giannino Pazzuconi ,  Carlo Perego ,  Giuseppe Bellussi

发明人： Giannino Pazzuconi ,  Carlo Perego ,  Giuseppe Bellussi

IPC分类号： C07C5/22 ,  C07C5/27

CPC分类号： B01J29/7034 ,  B01J29/90 ,  B01J38/56 ,  B01J2229/186 ,  B01J2229/26 ,  B01J2229/42 ,  C07C2/864 ,  C07C5/2737 ,  C07C6/126 ,  C07C15/24 ,  C07C2529/70 ,  C07C2602/10 ,  Y02P20/584

摘要： A highly selective process is described for preparing 2,6-dimethylnaphthalene which comprises reacting a naphthalene hydrocarbon selected from naphthalene, methylnaphthalenes, dimethylnaphthalenes, trimethylnaphthalenes, polymethylnaphthalenes, and/or their mixtures with one or more benzene hydrocarbons selected from benzene, toluene, xylenes, trimethylbenzenes, tetramethylbenzenes, pentamethylbenzene and/or hexamethylbenzene, under at least partially liquid phase conditions and in the presence of a catalytic composition comprising a zeolite belonging to the MTW structural type and at least one element selected from P, B and Si. The process is preferably carried out in the presence of a methylating agent.

摘要翻译： 描述了用于制备2,6-二甲基萘的高选择性方法，其包括将选自萘，甲基萘，二甲基萘，三甲基萘，聚甲基萘和/或其混合物的萘烃与一种或多种选自苯，甲苯，二甲苯， 三甲基苯，四甲基苯，五甲基苯和/或六甲基苯，在至少部分液相条件下和在包含属于MTW结构类型的沸石和选自P，B和Si中的至少一种元素的催化组合物存在下进行。 该方法优选在甲基化剂的存在下进行。

公开(公告)号：US06924406B2

公开(公告)日：2005-08-02

申请号：US09886994

申请日：2001-06-25

申请人： Gianluca Girardi ,  Gianni Pandolfi ,  Renzo Bignazzi ,  Renato Paludetto

发明人： Gianluca Girardi ,  Gianni Pandolfi ,  Renzo Bignazzi ,  Renato Paludetto

IPC分类号： C07C7/13 ,  C07C9/14 ,  C07C15/04 ,  C07C15/06 ,  C07C15/073 ,  C07C15/08 ,  C10G25/03 ,  C10G53/08 ,  C07C7/12

CPC分类号： C07C7/13

摘要： A process for separating mixtures of hydrocarbon isomers on molecular sieves, including providing columns which include molecular sieves and function alternatively as secondary adsorption, primary adsorption, and desorption devices, feeding the mixtures of hydrocarbon isomers to a column functioning as the primary adsorption device for adsorbing isomers with greater selectivity towards the molecular sieves, feeding effluent of the mixtures from the column functioning as the primary adsorption device to a column functioning as the secondary adsorption device for adsorbing remaining isomers with greater selectivity, discharging isomers with a lower selectivity from the column functioning as the secondary adsorption device and a desorbing agent therein, feeding a desorbing agent to the column functioning as the desorption device, discharging isomers with a greater selectivity towards the molecular sieves and the desorbing agent in the column functioning as the desorption device.

摘要翻译： 分子筛上分离烃异构体的混合物的方法，包括提供包括分子筛的色谱柱，或者作为二次吸附，主要吸附和解吸装置的功能，将烃异构体的混合物供给到用作吸附的主要吸附装置的塔 对分子筛具有更高选择性的异构体，将来自作为主要吸附装置的塔的混合物的流出物供给到用作用于以更高选择性吸附剩余的异构体的第二吸附装置的塔，从柱的功能以较低的选择性排出异构体 作为第二吸附装置和解吸剂，将脱附剂供给到用作解吸装置的塔中，以用作解吸装置的塔中的分子筛和解吸剂以更大的选择性排出异构体。

公开(公告)号：US20010047073A1

公开(公告)日：2001-11-29

申请号：US09797593

申请日：2001-03-05

申请人： ENICHEM S.p.A.

发明人： Franco Mizia ,  Franco Rivetti

IPC分类号： C08L069/00

CPC分类号： C08G64/305

摘要： A process is described for the preparation of polycarbonate diols (PCD) with a high molecular weight comprising two subsequent reaction steps, wherein in the first step PCD with a molecular weight ranging from 500 to 2000, is synthesized and in the second step the molecular weight of the PCD is increased to the desired value. Polycarbonate diols are usefully applied in the field of thermoelastomeric polyurethane manufactured products, paints, adhesives and synthetic leather.

摘要翻译： 描述了一种用于制备具有高分子量的聚碳酸酯二醇（PCD）的方法，其包括两个随后的反应步骤，其中在第一步中合成分子量为500至2000的PCD，在第二步中分子量 的PCD增加到所需的值。 聚碳酸酯二醇可用于热弹性聚氨酯制造产品，油漆，粘合剂和合成皮革领域。

公开(公告)号：US6121429A

公开(公告)日：2000-09-19

申请号：US192323

申请日：1998-11-16

申请人： Alessandro Balducci ,  Lido Porri ,  Nikolai Choubine

发明人： Alessandro Balducci ,  Lido Porri ,  Nikolai Choubine

IPC分类号： C08F4/48 ,  C08F4/52 ,  C08F36/04 ,  C07F5/00 ,  C08F4/06

CPC分类号： C08F36/04

摘要： Complexes of lanthanides are described, which are effective in the polymerization of conjugated dienes, obtained by reacting LnX.sub.3 with at least one Lithium compound selected from:(i) Li(A), the molar ratio Li(A)/LnX.sub.3 being from 1.5 to 2.5;(ii) LiLn(A).sub.4, the molar ratio between LiLn(A).sub.4 and LnX.sub.3 being from 0.5 to 1.5;wherein Ln is selected from any of the Lanthanides; X is selected from halides, carboxylates, alcoholates, --N(R.sub.x) (R.sub.y) wherein R.sub.x and R.sub.y, the same or different, are C.sub.1 -C.sub.5 alkyl radicals;A is an allyl radical having the general formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5, the same or different, are selected from hydrogen and C.sub.1 -C.sub.10 alkyl radicals.

摘要翻译： 描述了镧系元素的络合物，其在共轭二烯的聚合中是有效的，其通过使LnX 3与选自以下的至少一种锂化合物反应获得：（i）Li（A），Li（A）/ LnX 3的摩尔比为1.5〜 2.5; （ⅱ）LiLn（A）4，LiLn（A）4与LnX3的摩尔比为0.5〜1.5; 其中Ln选自任何镧系元素; X选自卤化物，羧酸盐，醇化物，-N（Rx）（Ry），其中Rx和Ry相同或不同，为C 1 -C 5烷基; A是具有以下通式的烯丙基：其中R 1，R 2，R 3，R 4和R 5相同或不同，选自氢和C 1 -C 10烷基。

公开(公告)号：US6114461A

公开(公告)日：2000-09-05

申请号：US805077

申请日：1997-02-21

申请人： Davide Preti ,  Anna Grazia Rossi ,  Roberto Nocci ,  Nicola Vecchini

发明人： Davide Preti ,  Anna Grazia Rossi ,  Roberto Nocci ,  Nicola Vecchini

IPC分类号： C08F279/00 ,  C08F279/02 ,  C08F279/04 ,  C08F285/00 ,  C08F287/00 ,  C08F297/04 ,  C08L51/04 ,  C08L55/02 ,  C08F255/00 ,  C08F255/02 ,  C08F255/08

CPC分类号： C08F297/04 ,  C08F279/02 ,  C08F287/00 ,  C08L51/04 ,  C08L55/02

摘要： Process for the preparation of vinylaromatic copolymers reinforced with rubber which comprises:a) dissolving a dienic rubber (i) and/or a linear block elastomer, vinylaromatic monomer-1,3 conjugated diene (ii), in a mixture comprising at least one vinylaromatic monomer and a pair of solvents consisting of a polar solvent and a nonpolar solvent;b) polymerizing the solution thus obtained, possibly in the presence of an initiator.

摘要翻译： 用于制备用橡胶增强的乙烯基芳族共聚物的方法，其包括：a）将二烯橡胶（i）和/或线性嵌段弹性体乙烯基芳族单体-1,3-共轭二烯（ii）溶解在包含至少一种乙烯基芳族化合物 单体和一种由极性溶剂和非极性溶剂组成的溶剂; b）聚合所得到的溶液，可能在引发剂的存在下。

公开(公告)号：US6066706A

公开(公告)日：2000-05-23

申请号：US716882

申请日：1996-09-20

申请人： Roberto Santi ,  Giuseppe Cometti ,  Riccardo Po'

发明人： Roberto Santi ,  Giuseppe Cometti ,  Riccardo Po'

IPC分类号： C08F4/642 ,  C08F4/60 ,  C08F4/646 ,  C08F4/659 ,  C08F4/6592 ,  C08F12/00 ,  C08F12/04 ,  C08F12/08 ,  C08F12/06

CPC分类号： C08F12/04 ,  C08F10/00 ,  Y10S526/943

摘要： Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure which comprises polymerizing the vinylaromatic monomers, alone or mixed with at least another copolymerizable ethylenically unsaturated monomer, in the presence of a catalytic system essentially consisting of:a) an adduct between a derivative of titanium having the formula R.sub.1 R.sub.2 R.sub.3 R.sub.4 Ti and a calix-[n]-arene, or an oxa-calix-[n]-arene;b) a co-catalyst selected from an alkylalumoxane and a compound of boron having the formula (II):BX.sub.1 X.sub.2 X.sub.3 or its salt.

摘要翻译： 用于制备主要间同立构结构的结晶乙烯基芳族聚合物的方法，该方法包括在催化体系存在下单独或与至少另一种可共聚的烯属不饱和单体混合的乙烯基芳族单体聚合，所述催化体系基本上由以下组成：a）衍生物之间的加合物 具有式R1R2R3R4Ti和杯[ - ] - 芳烃或氧杂 - 杯 - [n] - 芳烃的钛; b）选自烷基铝氧烷和具有式（II）的硼化合物的助催化剂：BX1X2X3或其盐。

公开(公告)号：US6034291A

公开(公告)日：2000-03-07

申请号：US988379

申请日：1997-12-10

申请人： Gianni Girotti ,  Oscar Cappellazzo ,  Elena Bencini ,  Giannino Pazzuconi ,  Carlo Perego

发明人： Gianni Girotti ,  Oscar Cappellazzo ,  Elena Bencini ,  Giannino Pazzuconi ,  Carlo Perego

IPC分类号： B01J29/70 ,  B01J29/04 ,  C07C2/66 ,  C07C6/12 ,  C07C15/02 ,  C07C2/54

CPC分类号： C07C6/126 ,  B01J29/04 ,  C07C2/66 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2521/10 ,  C07C2521/16 ,  C07C2529/70

摘要： A catalytic composition is described for the alkylation and/or transalkylation of aromatic hydrocarbons consisting of beta zeolite, as such or modified by the isomorphous substitution of aluminum with boron, iron or gallium or by the introduction of alkaline and/or earth alkaline metals following an ion-exchange process, and an inorganic ligand, wherein the extrazeolite porosity, i.e. the porosity obtained by adding the mesoporosity and macroporosity fractions present in the catalytic composition itself, is such that a fraction of at least 25% is composed of pores with a radius higher than 100 .ANG., said composition being characterized by a total volume of extrazeolitic pores greater than or equal to 0.80 ml/g.

摘要翻译： 描述了一种催化组合物，用于烷基化和/或烷基转移由β沸石组成的芳族烃，如本文所述，或通过铝与硼，铁或镓的同晶取代或通过引入碱金属和/或碱土金属 离子交换过程和无机配体，其中超沸石孔隙率，即通过加入存在于催化剂组合物本身中的介孔度和大孔度组分获得的孔隙，使得至少25％的分数由具有半径的孔组成 所述组合物的特征在于大于或等于0.80ml / g的流出孔的总体积。

公开(公告)号：US5942613A

公开(公告)日：1999-08-24

申请号：US890677

申请日：1997-07-09

申请人： Angela Carati ,  Carlo Perego ,  Leonardo Dalloro ,  Giordano De Alberti ,  Stefano Palmery

发明人： Angela Carati ,  Carlo Perego ,  Leonardo Dalloro ,  Giordano De Alberti ,  Stefano Palmery

IPC分类号： B01J21/12 ,  B01J35/10 ,  C07B43/06 ,  C07B61/00 ,  C07D201/04

CPC分类号： B01J35/10 ,  B01J21/12 ,  C07D201/04 ,  B01J35/1023 ,  B01J35/1061

摘要： Process for the preparation of amides via the catalytic rearrangement of oximes which comprises putting an oxime in vapor phase in contact with a catalyst selected from a mesoporous silica-alumina having a molar ratio SiO/Al.sub.2 O.sub.2 of between 20 and 1000, an average pore diameter of between 20 and 100 .ANG. and an X-ray diffraction pattern (XRD) from powders which, after calcination, has the deepest reflection at d-spacing of more than 18 .ANG. (2.theta.

摘要翻译： 通过肟催化重排制备酰胺的方法，其包括将肟与气相中的肟与选自摩尔比SiO / Al 2 O 2的介孔二氧化硅 - 氧化铝的催化剂接触20至1000，平均孔径为 在20和100之间的ANGSTROM和来自粉末的X射线衍射图（XRD），其在煅烧之后在d间距处具有超过18个ANGSTROM（2θ<4.9°，CuKα辐射）的最深反射。

公开(公告)号：US5936051A

公开(公告)日：1999-08-10

申请号：US802875

申请日：1997-02-19

申请人： Roberto Santi ,  Giampiero Borsotti ,  Cecilia Querci ,  Liliana Gila ,  Antonio Proto

发明人： Roberto Santi ,  Giampiero Borsotti ,  Cecilia Querci ,  Liliana Gila ,  Antonio Proto

IPC分类号： C07F17/00 ,  C08F4/64 ,  C08F4/642 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/02

CPC分类号： C07F17/00 ,  C08F10/00 ,  Y10S526/904 ,  Y10S526/943

摘要： Metallocene complexes of a metal M selected from titanium, zirconium and hafnium, comprising at least one anionic group A containing an .eta..sup.5 -cyclopentadienyl ring co-ordinated with the metal M, wherein the anionic group is substituted in at least one position of the cyclopentadienyl ring with a radical having the formula:Ph*--(CR.sup.6 R.sup.7).sub.nwherein: R.sup.6 and R.sup.7 are independently hydrogen, halogen or a C.sub.1 -C.sub.4 alkyl group, preferably hydrogen, "n" is 0 or 1, preferably 1, Ph* is a C.sub.6 -C.sub.14 group comprising an aromatic ring linked to --CR.sup.6 R.sup.7 -- or to A and substituted with at least one and up to a maximum of three electron-attractor groups, on the condition that, when A is an .eta..sup.5 -indenyl group and "n" is 0, at least one Ph group is linked to A in position 1 or 3 of indenyl.These complexes can be used in (co)polymerization processes of .alpha.-olefins, possibly in the presence of a suitable co-catalyst, for the production of polyolefins with a very high molecular weight.

摘要翻译： 选自钛，锆和铪的金属M的茂金属络合物，其包含至少一个阴离子基团A，其含有与金属M配位的η5-环戊二烯基环，其中阴离子基团在至少一个位置的环戊二烯基 具有下式的基团：Ph * - （CR 6 R 7）n其中R 6和R 7独立地是氢，卤素或C 1 -C 4烷基，优选氢，“n”是0或1，优选1，Ph *是 包含与-CR 6 R 7 - 或A连接的芳环的C 6 -C 14基团，并且被A至5个茚基取代，并且被至少一个和最多三个吸电子基团取代， n“为0，至少有一个Ph基与茚基的1位或3位的A连接。 这些络合物可用于α-烯烃的（共）聚合方法中，可能在合适的助催化剂存在下，用于生产具有非常高分子量的聚烯烃。