| Patent Number |
Title Of Patent |
Date Issued |
| 7427649 |
Polyethylene blow molding composition for producing small containers |
September 23, 2008 |
| The invention relates to a polyethylene composition with multi-modal molecular mass distribution, which is particularly suitable for blow molding of small containers with a volume in the range of from 200 to 5000 cm.sup.3 (=ml). The composition has a density in the range of from 0.95 |
| 7417006 |
Catalyst system for the polymerization of olefins |
August 26, 2008 |
| A salt of formula (I) [HE.sup.oR.sup.1.sub.3].sup.+[T.sup.1T.sup.2].sup.- (I) wherein E.sup.o is a nitrogen or phosphorous atom; R.sup.1 is hydrocarbon radical; T.sup.1 is a Lewis acid that forms a complex with T.sup.2, and T.sup.2 is a substituted pyrrolyl radical of formula (III) |
| 7414005 |
Preparation of catalyst compositions having improved activity |
August 19, 2008 |
| The present invention relates to a process for preparing a catalyst composition for olefin polymerization, which comprises preparing a catalyst solid in a first step by bringing A) at least one support, B) at least one organic compound having at least one functional group containing |
| 7407591 |
Process for the reduction of activated chromium oxide catalyst |
August 5, 2008 |
| Process for the reduction of a hexavalent chromium oxide based catalyst comprising contacting, under mixing conditions, a hexavalent chromium oxide based catalyst, with a molar excess, in respect of the chromium species, of a solid reducing agent and subjecting the mixture to a tempe |
| 7405261 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and |
July 29, 2008 |
| The present invention relates to compounds of the formula (I): ##STR00001## where M.sup.1 is an element of group 3, 4, 5 or 6 of the Periodic Table, X are halogen, hydrogen, C.sub.1-C.sub.20-alkyl, C.sub.2-C.sub.20-alkenyl, C.sub.6-C.sub.22-aryl, alkylaryl or arylalkyl, n is a nat |
| 7390862 |
Process for polymerizing 1-butene |
June 24, 2008 |
| A process for polymerizing 1-butene, optionally with up to 30% by mol of ethylene, propylene or an alpha olefin of formula CH.sub.2.dbd.CHT wherein T is a C.sub.3-C.sub.10 alkyl group, in the presence of a catalyst system obtainable by contacting a metallocene compound of formula (I) |
| 7365137 |
Multistep process for the (co) polymerization of olefins |
April 29, 2008 |
| A multistep process for the polymerization of one or more olefins comprising a first step of polymerizing one or more of said olefins in the presence of a catalyst of the Ziegler-Natta type, a step wherein the polymer obtained in the first step is contacted with a catalyst system com |
| 7358381 |
Racemoselective preparation of bridged metallocene complexes having unsubstituted or 2-substitut |
April 15, 2008 |
| The invention relates to a process for preparing racemic metallocene complexes by reacting transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reaction mixture obtained in this way to a temperature in the range from - |
| 7348384 |
Supported, titanized chromium catalyst and its use for preparing homopolymers and copolymers of |
March 25, 2008 |
| Novel supported, titanized chromium catalysts for the homopolymerization of ethylene and the copolymerization of ethylene with .alpha.-olefins, a process for preparing them and to their use for the polymerization of olefins. |
| 7342078 |
Transition metal compound, ligand system, catalyst system and the use of the latter for polymeri |
March 11, 2008 |
| A process for the polymerization of olefins, in particular a process for the copolymerization of propylene with further olefins, is carried out in the presence of highly active catalyst systems comprising specifically selected metallocenes, in particular ones which bear different sub |
| 7314903 |
Catalyst system for the polymerization of olefins |
January 1, 2008 |
| An organometallic compound obtainable by contacting: a compound having the following formula (I), wherein: R.sup.a is a hydrocarbon radical; R.sup.b, R.sup.c and R.sup.d, are hydrogen atoms, halogen atoms, or hydrocarbon radicals; with a Lewis acid of formula (II) MtR.sup.1.sub.3 (II |
| 7273940 |
Catalysts for the polymerization of unsaturated compounds |
September 25, 2007 |
| Bisimine compounds of the formula (I) ##STR00001## where the symbols have the following meanings: A is a nonmetal selected from among N, S, O and P, R.sup.1 is a radical of the formula NR.sup.5R.sup.6, R.sup.2 is a radical of the formula NR.sup.5R.sup.6 or NR.sup.7R.sup.8, alkyl, aryl |
| 7268095 |
Transition metal catalysts for (co) polymerizing of olefinic monomers |
September 11, 2007 |
| A compound of the formula Ia or Ib; ##STR00001## where, in the formula Ia, E.sub.1 is O, S, Se, Te, NR, CR.sub.2, or PR; E.sub.2, E.sub.3 are each CR, N, or P; E.sub.4 is N, or P; E.sub.5 is OH, SH, NHR, OR', SR', or NRR'; E.sub.6 is NH, PH, NR', or PR'; R.sup.5, R.sup.6 are each |
| 7259216 |
Method for producing highly branched ethylene polymers |
August 21, 2007 |
| A process for preparing highly branched ethylene polymers comprises polymerizing ethylene over a catalyst system comprising a compound of the formula Ia or Ib ##STR00001## and an activator, where the process is carried out at from 40 to 110.degree. C. and a pressure of from 10 to 100 |
| 7253292 |
Synthesis of cyclopentadiene derivatives |
August 7, 2007 |
| A process for preparing cyclopentadiene derivatives comprising the steps of: a) coupling a five membered heterocycle ring with a five or six membered heterocycle ring; b) reacting the obtained compound with a carbonilating system: c) reducing the obtained compound. |
| 7247686 |
Solid cocatalyst component for olefin polymerization and catalyst system thereof |
July 24, 2007 |
| A solid cocatalyst for olefin polymerization in which an ion-containing compound comprising a cation expressed by [R.sub.4M]+, wherein the group R are each individually selected from the group consisting of hydrogen atom and a substituted or non-substituted hydrocarbon group having from |
| 7241903 |
Metallocenes, use in catalyst system for producing olefin polymers |
July 10, 2007 |
| A metallocene compound of formula (I): wherein M is zirconium, titanium and hafnium; X is a hydrogen atom, a halogen atom or a hydrocarbon radical; R.sup.1 is a linear C.sub.1-C.sub.20-alkyl radical; R.sup.2 is a hydrogen atom or hydrocarbon R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, |
| 7238818 |
Heterocyclic metallocenes and polymerization catalysts |
July 3, 2007 |
| A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using said catalytic system are disclosed; the heterocyclic metallocenes correspond to the formula (I): Y.sub.jR''.sub.iZ.sub.jjMeQ.sub.kP.sub.l |
| 7232551 |
Fluidized bed method and reactor for the treatment of catalysts and catalyst carriers |
June 19, 2007 |
| A method for the treatment of catalysts or catalyst carriers by: a) introducing and distributing a gas in the lower section of a reactor containing a catalyst or catalyst carrier bulk material; b) forming a fluidized bed in the reactor; c) treating the particles in the fluidized bed |
| 7226565 |
Gas-phase fluidized-bed reactor |
June 5, 2007 |
| Ethylenically unsaturated monomers are polymerized in a gas-phase fluidized-bed reactor comprising a reactor space (1) in the form of a vertical tube, a calming zone (2) adjoining the upper part of the reactor space, a circulated gas line (3), a circulated gas compressor (4), a cooli |
| 7223878 |
Reduction of concentration of inorganic by-products and organometallic by-products in the prepar |
May 29, 2007 |
| A process for separating inorganic and organometallic by-products from a mixture comprising at least one organometallic transition metal compound as product and at least one organometallic by-product and at least one inorganic by-product as by-products comprises the steps A) admixing t |
| 7223711 |
Pre-polymerized catalyst components for the polymerization of olefins |
May 29, 2007 |
| Catalyst components for the preparation of ethylene (co)polymers capable to produce polymers with high bulk density, to avoid the problems of formation of fines and that have a high activity are provided. Said catalyst components are characterized by comprising a non-stereospecific s |
| 7202373 |
Monocyclopentadienyl complexes |
April 10, 2007 |
| Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one uncharged donor bound via a boron-containing bridge and comprising one or more atoms of group 15 and/or 16 of the Periodic Table of the Elements and is bound to a metal selected from the group cons |
| 7202315 |
Process for the preparation of ethylene polymers |
April 10, 2007 |
| A process for polymerizing ethylene comprising contacting under polymerization condition ethylene and optionally one or more olefins with a catalyst system obtainable by contacting: a bis amido compound of formula (I) wherein Y is Si, Ge and Sn; X is hydrogen, halogen or an hydrocarb |
| 7199274 |
Preparation of substituted indenes |
April 3, 2007 |
| The present invention relates to a simple process for preparing specifically substituted indenes of the formula (I) or (Ia) ##STR00001## to compounds of the formula (II) serving as starting materials ##STR00002## and to the use of the compounds of the formula (II) as starting materi |
| 7198852 |
Graft copolymer mixture with improved properties and the use thereof as an adhesion promoter |
April 3, 2007 |
| A graft copolymer mixture comprises a) from 10 to 50% by weight, based on the mixture, of an ethylene-acrylic acid copolymer and/or an ethylene-acrylic acid-acrylate terpolymer; b) from 50 to 90% by weight, based on the mixture, of an ethylene-.alpha.-olefin copolymer; and c) ethylen |
| 7196152 |
Modified Ziegler catalyst, process for preparing it and process for preparing poly-1-olefins in |
March 27, 2007 |
| The invention relates to a modified Ziegler catalyst for preparing a poly-1-olefin in suspension, in solution or in the gas phase, which catalyst comprises the reaction product of a magnesium alkoxide (component a) with a transition metal compound (component b) and an organometallic |
| 7195129 |
Inner container for household devices |
March 27, 2007 |
| Inner containers for household devices in the form of a drum composed of an inner and an outer wall with a shear-resistant connection between the two walls, where both the inner and outer walls have been built up from a thermoplastic. The design of the novel inner container may also be s |
| 7193099 |
Racemoselective preparation of isolable ansa-metallocene biphenoxide complexes |
March 20, 2007 |
| The invention relates to a process for preparing racemic metallocene biphenoxide complexes by reacting bridged transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reaction mixture obtained in this way to a temperature in |
| 7192561 |
Hydraulically controlled pressure relief valve for high-pressure reactors |
March 20, 2007 |
| A high-pressure reactor which has a hydraulically controlled pressure-relief valve. The mechanical design of the corresponding hydraulic system in combination with the control technology used facilitates particularly fast opening of the pressure-relief valve in the case of pressure o |
| 7166683 |
Process for polymerizing 1-butene and 1-butene polymers |
January 23, 2007 |
| A process for polymerizing 1-butene, optionally with up to 30% by mol of ethylene, propylene or an alpha olefin of formula CH.sub.2.dbd.CHT wherein T is a C.sub.3 C.sub.10 alkyl group, in the presence of a catalyst system obtainable by contacting a metallocene compound having C.sub.1 |
| 7141637 |
Metallocene compounds and process for the preparation of propylene polymers |
November 28, 2006 |
| ##STR00001## A metallocene compound of formula (I) wherein M is zirconium, hafnium or titanium; X is hydrogen, halogen, or a hydrocarbyl radical optionally containing heteroatoms; R.sup.2, R.sup.3, R.sup.4 and R.sup.5, are hydrogen or hydrocarbyl radicals; R.sup.6 is a hydrocarbil ra |
| 7141527 |
Catalyst system and process for the polymerization of olefins |
November 28, 2006 |
| A catalyst system for the polymerization of olefins comprising the product obtained by contacting: (A) a metallocene complex; (B) an organometallic aluminium compound of formula (II): Al[CH.sub.2--C(Ar)R.sup.4R.sup.5].sub.xH.sub.y (II) wherein Ar is a substituted or unsubstituted ar |
| 7122606 |
Olefin polymerization process |
October 17, 2006 |
| A process for polymerizing one or more alpha-olefins of formula CH.sub.2.dbd.CHT wherein T is a hydrogen atom or a C.sub.1 C.sub.20 alkyl radical comprising the following steps: a) contacting in a continuous way one or more of said alpha olefins with a metallocene based catalyst syst |
| 7115761 |
Process for the production of monohalide or dihalide metallocene compounds |
October 3, 2006 |
| A process for preparing dihalide or monohalide metallocene compounds comprising contacting a compound of formula (II) (Cp)(ZR.sup.1.sub.m).sub.n(A).sub.rML'.sub.y (II) wherein Cp is a cyclopentadienyl radical; (ZR.sup.1.sub.m).sub.n is a divalent bridging group between Cp and A; A is |
| 7112638 |
Hetero cyclic metallocene compounds and use thereof in catalyst system for producing olefin poly |
September 26, 2006 |
| ##STR00001## A metallocene compound of general formula (I): LGZMXp, wherein L is a divalent group, Z is a moiety of formula (II), wherein R.sup.3 and R.sup.4 are selected from hydrogen and hydrocarbon groups; A and B are selected from S, O or CR.sup.5, wherein R.sup.5 is selected fr |
| 7109278 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and |
September 19, 2006 |
| Organometallic transition metal compounds of the formula (I) where M.sup.1 is an element of group 3, 4, 5 or 6 of the Periodic Table of the Elements or the lanthanides; X are identical or different and are each halogen, hydrogen, C.sub.1 C.sub.20-alkyl, C.sub.2 C.sub.20-alkenyl, C.sub.6 |
| 7105690 |
Method for producing transition metal compounds and their use for the polymerization of olefins |
September 12, 2006 |
| The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to their use for the polymerization of olefins. |
| 7105218 |
Cover plate for household devices |
September 12, 2006 |
| A cover plate for household devices comprises a decorative part and a reinforcer with integrated molded functional elements, where the reinforcer has the structure of a sheet or box or crate and has a closed lower side. The decorative part used is preferably composed of a support, of |
| 7101940 |
Chemical compound, method for the production thereof and its use in catalyst systems for produci |
September 5, 2006 |
| The invention relates to a chemical compound of formula (I), wherein M.sup.1 represents an element selected from main groups II, III or IV of the periodic table of elements; x is equal to 1, 2, 3 or 4; y is equal to 2, 3 or 4, and; A represents a cation of main group V of the periodic |
| 7098354 |
Racemoselective synthesis of rac-diorganosilylbis(2-methylbenzo[e]indeyl)zirconium compounds |
August 29, 2006 |
| The present invention relates to a specific process for the diastereoselective synthesis of rac-diorganosilylbis(2-methylbenzo[e]indenyl)zirconium compounds of the formula I, ##STR00001## by reacting the silyl-bridged bisindenyl ligand with a dihalozirconium bis(3,5-di-tert-butylphe |
| 7081557 |
Method for the oligomerization of olefins using a cycloalkylalkyl-substituted triazacyclohexane |
July 25, 2006 |
| Disclosed is a method for the oligomerization of olefins, wherein an olefin is brought into contact with a catalyst system that is obtained from a chromium source, a cycloalkylalkyl-substituted triazacyclohexane, especially a 1,3,5-tris-(cycloalkylalkyl)-1,3,5-triazacyclohexane and an |
| 7074864 |
Process for the polymerization of 1-butene |
July 11, 2006 |
| A process for polymerizing I-butene comprising the step of contacting under polymerization "conditions 1-butene and optionally from 0 to 20% by mol of an alpha olefin with a catalyst system obtainable by contacting a bridged metallocene compound of formula (I) wherein R.sup.1 and R.sup.2 |
| 7053160 |
Metallocene monohalogenides |
May 30, 2006 |
| Novel metallocene monohalides can be used in the polymerization of olefins. |
| 7049264 |
Supported catalyst for olefin polymerization |
May 23, 2006 |
| A supported catalyst for olefin polymerization comprises A) as support material, a copolymer comprising the monomer units I, II and III, where the monomer units I have the formula (I) and the monomer units II have the formula (II), ##STR00001## where the variables have the fo |
| 7041750 |
Process and apparatus for making supported catalyst systems for olefin polymerization |
May 9, 2006 |
| A process to support a homogeneous catalyst on a porous solid support is performed in two separate zones. In the first zone the solid is contacted, under stirring, with an amount of a catalyst solution lower than the total pore volume of the solid. In the second zone the solid is dri |
| 7038070 |
Preparation of preparing substituted indanones |
May 2, 2006 |
| A process for the preparation of indanones of the formula II from indanones of the formula I or of indanones of the formula IIa from indanones of the formula Ia ##STR00001## comprises reacting an indanone of the formula I or Ia with a coupling component. |
| 7026421 |
Random propylene copolymers |
April 11, 2006 |
| Random copolymers of propylene with other 1-alkenes having up to carbon atoms, whose content of comonomers is in the range from 0.7 to 1.4% by weight if the only comonomer present in the propylene copolymers is ethylene, or whose content of comonomers is in the range from 0.7 to 3.0% |
| 7022793 |
Process for the treatment of polymer compositions |
April 4, 2006 |
| A process for the preparation of heterophasic elastomeric polymer comprising the step of polymerizing ethylene, an alpha-olefin CH2.dbd.CHL, where L is an alkyl, cycloalkyl or aryl radical with 1 10 carbon atoms and a non-conjugated diene in the presence of a catalyst system comprisi |
| 7019089 |
Suspended chrome catalyst containing titanium and the use thereof for producing ethylene homopol |
March 28, 2006 |
| Novel supported, titanized chromium catalysts can be used for the homopolymerization of ethylene and the copolymerization of ethylene with .alpha.-olefins. |
