| Document |
Document Title |
|
WO/2007/045306A1 |
The present invention relates to a bubble column reactor comprising a column reactor having a sparger plate dividing the column reactor into a top reaction compartment and a bottom compartment, characterized in that an inlet and outlet l...
|
|
WO/2007/045600A1 |
Polypropylene resin comprising a propylene copolymer said polypropylene resins is endowed with the following features: a) melt flow rate (MFR) (ISO 1133) (230°C/2.16 kg) comprised between 90 and 3000 g/10'; b) distribution of molecular ...
|
|
WO/2007/042252A1 |
The present invention relates to a catalyst system comprising at least two different transition metal coordination compounds supported on an adduct containing magnesium halide and an organoaluminum compound and it relates to a polymerisa...
|
|
WO/2007/042516A1 |
The invention relates to a method for producing polyisobutene by polymerization of isobutene using an inert diluent and a halogenated Lewis acid as the catalyst. Said method is characterized by contacting a liquid mixture of the isobuten...
|
|
WO/2007/042565A1 |
The invention relates to a method for producing a polyisobutene with a molecular weight Mn of 400 to 50000, particularly 500 to 10000 by polymerizing isobutene in the presence of a BF3-containing complex catalyst, during which the polyme...
|
|
WO/2007/041522A1 |
A process for increasing a granular particle density of a polymeric product using at least one particle density promoting agent is described. The process includes passing a gaseous stream comprising at least one monomer through a fluidiz...
|
|
WO/2007/037839A1 |
In some embodiments, a method in which at least one continuity additive ("CA") and a seed bed are pre-loaded into a reactor, and a polymerization reaction is optionally then performed in the reactor. In other embodiments, at least one fl...
|
|
WO/2007/037944A2 |
Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene/ethylene copolymer products having high isotacticity and l...
|
|
WO/2007/036135A1 |
A catalyst active component for ethylene polymerization or copolymerization, preparation method thereof and a catalyst using said active component. The catalyst active component according to invention comprises from 12.0 to 18.0 parts by...
|
|
WO/2007/037836A2 |
Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. An improved method for preparing cyclopentadienyl complexes used to produce ...
|
|
WO/2007/037815A1 |
Embodiments of the present invention relate to operating at least one gas-phase reactor at or near maximum production rates and to measuring and controlling polymer stickiness in a gas phase reactor polymerization. In particular, embodim...
|
|
WO/2007/033941A1 |
A process for the gas-phase polymerization of one or more alpha-olefins in the presence of a polymerization catalyst system, the process comprising: a) contacting in a continuous way a gas comprising one or more of said alpha-olefins wit...
|
|
WO/2007/034847A1 |
Disclosed is a method for producing an olefin polymer wherein moving bed vapor-phase polymerization of an olefin is performed by supplying an olefin and solid particles for olefin polymerization containing a solid catalyst component and ...
|
|
WO/2007/034149A2 |
A complex compound comprising the skeletal unit (A), wherein the ring C(R1) -A1-A2-(A3)X-C(R2) -C- has delocalised unsaturation and is optionally substituted via one or more of A1, A2 and A3 by hydrogen, alkyl, aryl, halogen, or heterocy...
|
|
WO/2007/030273A1 |
A catalyst system useful for polymerizing olefins is disclosed. The catalyst system comprises a cocatalyst and a supported transition metal prepared from a halogen-containing Group 4-6 transition metal compound and an organoaluminum-silo...
|
|
WO/2007/028664A1 |
The present invention discloses a catalyst system comprising a cyclopentadienyl- £ luorenyl-based catalyst component wherein the cyclopentadienyl is di-substituted and the fluorenyl is monosubstituted. It also discloses its method of pr...
|
|
WO/2007/028536A2 |
The present invention relates to a process for preparing olefin polymers by polymerization or co-polymerization of at least one olefin of the formula Ra-CH=CH-Rb, where Ra and Rb are identical or different and are each a hydrogen atom or...
|
|
WO/2007/030278A1 |
Disclosed is a polyethylene composition. The composition comprises single-site multimodal resin A and single-site multimodal resin B, wherein resin A differs from resin B in molecular weight, in monomeric composition, in density, in long...
|
|
WO/2007/028552A1 |
A composition suitable for use in pressure pipes and pipe fittings is disclosed comprising polymer of ethylene and from 0.5 to 5 wt% of a C4-C8 alpha-olefin which has a natural density of 935-956 kg/m3, a melt index MI5 of 0.15 - 0.5 g/1...
|
|
WO/2007/030260A1 |
A catalyst composition that includes a support material having an improved particle-size distribution is provided. Processes for producing polyolefin composition also are provided. Polymers and films also are provided. An example of a ca...
|
|
WO/2007/025700A1 |
A process is described for epoxidating an ethylenically unsaturated isobutene polymer, which involves contacting an organic phase, comprising the isobutene polymer, with an aqueous phase comprising formic acid and hydrogen peroxide. The ...
|
|
WO/2007/025640A1 |
The present invention relates to a process for the preparation of multimodal ethylene homo- or copolymers in at least two stages, the process comprising preparation of a first ethylene homo- or copolymer fraction in a loop reactor in slu...
|
|
WO/2007/024504A1 |
A method of making an olefin oligomerization catalyst, comprising contacting a chromium-containing compound, a heteroatomic ligand, and a metal alkyl, wherein the chromium-containing compound comprises less than about 5 weight percent ch...
|
|
WO/2007/024684A2 |
The present invention relates to methods for making highly crystalline polymeric material, for example, highly crystalline cross-linked and not cross-linked ultra-high molecular weight polyethylene (UHMWPE). The invention also provides m...
|
|
WO/2007/024773A1 |
Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. Methods for preparing and using such catalysts to produce polyolefins are al...
|
|
WO/2007/020077A1 |
The present invention relates to a supported catalyst composition for polymerization of olefins comprising at least two catalytic components; and a polymerization process using that catalyst composition; and a method for its preparation.
|
|
WO/2007/020246A1 |
The invention relates to a method for polymerising ethylenically unsaturated monomers, wherein ethylenically unsaturated monomers are polymerised in the presence of a solvent-stable transition metal complex having slightly co-ordinating ...
|
|
WO/2007/018743A1 |
A fluorophenylborate useful as an activator for an olefin polymerization catalyst is represented by the formula: Ct+ [B-(ArfRn)4]- where Ct+ is a cation capable of extracting an alkyl group from, or breaking a carbon-metal bond of, an or...
|
|
WO/2007/018773A1 |
Methods and systems for analysis of the polymerization material of solution polymerization processes are provided. In certain embodiments, the methods and systems subject the polymerization material to Raman spectroscopy analysis. The Ra...
|
|
WO/2007/016997A1 |
The present invention relates to a method for deactivation of an organometallic catalyst utilized in a catalyzed process, characterized in that a catalyst-containing outlet stream of a process reactor is subjected to a temperature of at ...
|
|
WO/2007/018706A1 |
Methods and systems for analysis of the polymerization material of high pressure polymerization processes are provided. In certain embodiments, the methods and systems subject the polymerization material to Raman spectroscopy analysis. T...
|
|
WO/2007/018280A1 |
A polymer exhibiting high catalytic activity, good hydrogen response and high three-dimensional regularity can be obtained with high yield by polymerizing an olefin in the presence of a catalyst for olefin polymerization which is compose...
|
|
WO/2007/018804A1 |
Methods for making polyolefins are disclosed. One method comprises polymerizing an olefin in the presence of a catalyst system comprising a single-site complex, an agglomerated metal oxide/clay support-activator, and an ionic borate. Inc...
|
|
WO/2007/018871A1 |
The invention relates to a process for the manufacture of ethylene polymers and copolymers in which ethylene is compressed in a primary compressor at a throughput of at least 55 tonnes/hour, mixed with recycled ethylene and further compr...
|
|
WO/2007/018909A1 |
Disclosed are catalyst systems and methods of making the catalyst systems for the polymerization of an olefin containing a solid titanium catalyst component containing an inorganic titanium compound, a magnesium alcohol adduct made from ...
|
|
WO/2007/014890A1 |
The present invention discloses an active supported catalyst system comprising: a) an iron-based non-metallocene catalyst component; b) an alkylating agent; c) an activating functionalised and fluorinated support. It also discloses a met...
|
|
WO/2007/015927A1 |
Disclosed herein are various processes, including continuous fluidized-bed gas- phase polymerization processes for making a high strength, high density polyethylene copolymer, comprising (including): contacting monomers that include ethy...
|
|
WO/2007/014842A1 |
A solution process for polymerizing one or more α-olefins of formula CH2=CHR, where R is H or an alkyl radical C1-12, to produce a polymer that is soluble in the reaction medium, the process comprising: (a) polymerizat ion in a solution...
|
|
WO/2007/014889A1 |
The present invention discloses an active supported catalyst system comprising: a) one or more non-metallocene catalyst component; b) an alkylating agent; c) an activating functionalised and fluorinated support. It also discloses a metho...
|
|
WO/2007/015764A1 |
A supported catalyst composition having improved flow properties is disclosed comprising an alkylalumoxane, a metallocene-alkyl an inorganic oxide support having an average particle size of from 0.1 to 100 µm and calcined at a temperatu...
|
|
WO/2007/013931A2 |
Methods for making α-diimine metal complexes are disclosed. The methods comprise forming an α-diimine metal complex imine bond in the presence of a metal salt or an ce-acylimine metal complex. The method is particularly using for the p...
|
|
WO/2007/009977A1 |
The present invention discloses active oligomerisation and polymerisation catalyst systems based on dioxime ligands.
|
|
WO/2007/009976A1 |
The present invention discloses active oligomerisation and polymerisation catalyst systems based on monooxime ligands.
|
|
WO/2007/006556A1 |
The invention relates to a method for producing polyisobutenes, in which isobutene is polymerized in liquid organic phase in the presence of a Lewis acid catalyst, the organic phase is mixed with an aqueous terminating agent in a dynamic...
|
|
WO/2007/006737A1 |
The present invention discloses the use of aromatic diamine ligands to prepare catalyst systems suitable for the oligomerisation or polymerisation of ethylene and alpha-olefins.
|
|
WO/2007/006537A1 |
A polypropylene with a low amount of impurities, in particular a low amount of aluminum and boron residues.
|
|
WO/2007/006740A1 |
The present invention discloses single site catalyst systems having scorpion-like three dimensional structure that are suitable for oligomerising or polymerising ethylene and alpha-olefins.
|
|
WO/2007/005676A2 |
This invention relates to compounds and catalyst compositions useful for olefin polymerization. In one aspect, this invention encompasses metal oxide-supported, Brønsted acidic, bulky aluminate activators and their utility for forming c...
|
|
WO/2007/005112A1 |
Ethylene and optional comonomers are polymerized in the presence of an organozinc compound and a catalyst system to produce an ethylene polymer. The catalyst system comprises a bridged indenoindolyl Group 3-10 transition metal complex an...
|
|
WO/2007/003530A1 |
The invention relates to a polyethylene molding composition which has a multimodal molecular mass distribution and comprises a low molecular weight ethylene homopolymer A, a high molecular weight ethylene copolymer B and an ultrahigh mol...
|
