|
Match
|
Document |
Document Title |
|
|
7307130 |
Polymerization reactor operability using static charge modifier agents
The present invention relates to a catalyst composition and a method for making the catalyst composition of a polymerization catalyst and a static charge modifier. The invention is also directed to...
|
|
|
7285607 |
Polymerisation of olefinic compounds
This invention relates to a process for producing a polymeric product by the polymerisation of at least one olefinic compound in the form of an olefin or a compound including an olefinic moiety by...
|
|
|
7268196 |
Process for producing cycloolefin addition polymer
A process for producing a cycloolefin addition polymer in which one or more cycloolefin monomers can be (co)polymerized by addition polymerization with a small palladium catalyst amount to produce...
|
|
|
7208441 |
Polymerization catalyst systems and processes therefor and therewith
A copolymer of ethylene and a higher alpha olefin, preferably 1-hexene, can be produced using an activated chromium containing catalyst system and a cocatalyst selected from the group consisting of...
|
|
|
7202314 |
Components and catalysts for the polymerization of olefins
The present invention relates to a solid catalyst component for the polymerization of olefins CH 2 ═CHR in which R is hydrogen or a hydrocarbon radical with 1–12 carbon atoms, comprising Mg,...
|
|
|
7186785 |
Process for manufacturing vinyl-rich polybutadiene rubber
This invention relates to A process for manufacturing a vinyl-rich polybutadiene rubber, comprising polymerizing butadiene in a solvent using a catalyst system comprising an iron-based catalyst as...
|
|
|
7148302 |
Catalyst for polymerization of norbornene
This invention is based upon the discovery that a catalyst system which is comprised of (a) palladium or a palladium compound and (b) a fluorinated alcohol is effective for polymerizing...
|
|
|
7122611 |
Catalyst for polymerization of norbornene
This invention is based upon the discovery that a catalyst system which is comprised of (a) palladium or a palladium compound and (b) a fluorinated alcohol is effective for polymerizing...
|
|
|
7009013 |
Process for producing crystalline 1,2-polybutadiene
1,3-Butadiene is polymerized in a hydrocarbon solvent using a catalyst system containing (A) a cobalt salt, (B1) a phosphine compound having one branched aliphatic group of 3 or more carbon atoms...
|
|
|
6951911 |
Cross-linked polymer and process for producing the same, absorptive structure and absorptive article
A crosslinked polymer (A) which comprises, as essential structural units, units derived from (a) one or more vinyl monomers selected from the group consisting of water-soluble vinyl monomers and/or...
|
|
|
6951831 |
Catalyst composition for dimerizing, co-dimerizing, oligomerizing and polymerizing olefins
A catalyst composition for use in dimerizing, co-dimerizing or oligomerizing olefins comprises:
at least one zero-valent nickel complex; at least one acid with formula H + X − in which X...
|
|
|
6911410 |
Catalyst composition containing an aluminoxane for dimerizing, co-dimerizing and oligomerizing olefins
A catalyst composition for use in dimerizing, co-dimerizing or oligomerizing olefins results from dissolving a nickel compound, optionally mixed or complexed with a ligand, in a medium resulting...
|
|
|
6858681 |
Process for producing olefinic polymer
The process for producing an olefinic polymer comprises introducing a saturated aliphatic hydrocarbon in a liquid phase state and in a vapor phase state into the aforementioned fluidized-bed and...
|
|
|
6846769 |
Vanadium-imido-phosphoraneiminato complexes for the polymerization of olefins
The present invention relates to vanadium-imido-phosphoraneiminato compounds, to compositions containing vanadium-imido-phosphoraneiminato compounds, which compositions are suitable especially as...
|
|
|
6777459 |
Phosphine oxide photoinitiator systems and curable compositions with low color
The present invention relates to a novel photoinitiator system comprising one or more acylphosphine oxide photoinitiators and one or more lightfast red, blue or violet organic pigments. Low yellow...
|
|
|
6756505 |
Metallocene complexes
In metallocene complexes of a metal of transition group IV, V or VI of the Periodic Table, at least one substituted or unsubstituted cyclopentadienyl radical is bound to an element of group III of...
|
|
|
6720397 |
Polymerization process for preparing syndiotactic 1,2-polybutadiene
A process for synthesizing syndiotactic 1,2-polybutadiene, the process comprising the steps of (1) polymerizing monomer consisting essentially of 1,3-butadeine monomer within an organic solvent...
|
|
|
6649711 |
Process for preparing vinylic polymers with catalyst system containing metal complex and Lewis acid
A polymerisation process for the preparation of vinylic polymers from the corresponding vinylic monomers which process comprises the step of reacting a vinylic monomer in the presence of a catalyst...
|
|
|
6624263 |
(Co) polymers and a novel polymerization process based on atom (or group) transfer radical polymerization
A new polymerization process (atom transfer radical polymerization, or ATRP) based on a redox reaction between a transition metal (e.g., Cu(I)/Cu(II), provides “living” or controlled radical...
|
|
|
6610804 |
Iron-based catalyst composition for the manufacture of syndiotactic 1, 2-polybutadiene
A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an iron-containing compound, (b) an α-acylphosphonate diester, and (c) an organoaluminum...
|
|
|
6608152 |
Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefrom
A novel process for the polymerization of olefins is provided. The process involves contacting at least one olefin with a Ziegler-Natta type catalyst in the presence of a specified compound that...
|
|
|
6576725 |
Iron-based catalyst for producing high-vinyl polybutadiene
A catalyst composition that is the combination of or the reaction product of ingredients comprising an iron-containing compound, an organomagnesium compound, and an α-acylphosphonate diester.
|
|
|
6576724 |
Catalytic composition and process for the catalysis of dimerization codimerization and oligomerization of olefins
A catalytic composition for the dimerization, the codimerization or the oligomerization of olefins results from the dissolution of at least one nickel complex that contains a heterocyclic carbene...
|
|
|
6576723 |
Catalyst system and its use for the polymerization of propylene
A catalyst system which can be used in the polymerization of propylene comprises at least one metallocene as a rac/meso isomer mixture, at least one organoboroaluminum compound, at least one...
|
|
|
6559326 |
Substituted phosphinophenoxide-metal complexes for the polymerization of olefins
Metal complexes obtainable from a metal precursor of a metal of the 6 th -10 th groups of the Periodic Table in the oxidation state 0 or +2 and a ligand of the formula I, where the radicals are...
|
|
|
6559250 |
Method of homo- or co-polymerization of α-olefin
The present invention relates to a method of homo- or co-polymerization of α-olefin by means of using a catalyst system which comprises the following components: (1) a solid complex titanium...
|
|
|
6545107 |
Molydenum-based catalyst composition for producing syndiotactic 1,2-polybutadiene
A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an molybdenum-containing compound, (b) a silyl phosphonate, and (c) an organoaluminum compound.
|
|
|
6534605 |
Living polymerization process
A polymerization process for the preparation of vinylic polymers from the corresponding vinylic monomers which process comprises the step of reacting a vinylic monomer in the presence of a catalyst...
|
|
|
6518444 |
Preparation of polymerization catalysts
A method to synthesize a Group 15 containing metal polymerization catalyst is disclosed. The method includes an efficient high temperature synthesis of Group 15 containing ligands, especially...
|
|
|
6407026 |
Catalyst composition and process for controlling the characteristics of conjugated diene polymers
A catalyst composition that is the combination of or the reaction product of ingredients including an iron-containing compound, a hydrogen phosphite, and a mixture of two or more organoaluminum...
|
|
|
6399731 |
Chain transfer agents and its use in polymer synthesis
A method for making a polymer comprising the step of synthesizing a polymer by employing a chain transfer agent having the formula (II) where X and Y are independently selected from oxygen,...
|
|
|
6388030 |
Iron-based catalyst composition and process for producing syndiotactic 1,2-polybutadiene
A catalyst composition comprising (a) an iron-containing compound, (b) an organomagnesium compound and (c) a dihydrocarbyl hydrogen phosphite is disclosed for polymerizing 1,3-butadiene into...
|
|
|
6376406 |
Catalyst compositions comprising bridged metal complexes and an activating cocatalyst
A catalyst and process of polymerizing olefins using it are described, the catalyst comprising a cocatalyst and a metal complex preferably of the formulas 4-9, wherein M is a group 4 metal, Z is...
|
|
|
6362124 |
Catalyst component, catalyst for olefin polymerization and process for producing olefin polymer
There are provided (i) a catalyst component (C), (ii) an olefin polymerization catalyst, and (iii) a process for producing an olefin polymer. The catalyst being obtained by contacting a solid...
|
|
|
6348550 |
Molybdenum-based catalyst composition and process for controlling the characteristics of conjugated diene polymers
A catalyst composition that is the combination of or the reaction product of ingredients including (a) a molybdenum-containing compound, (b) a hydrogen phosphite, and (c) a blend of two or more...
|
|
|
6303717 |
Metal catalyzed synthesis of hyperbranched ethylene and/or α-olefin polymers
Oily hyperbranched polymers derived from ethylene, propylene, butene and/or a C 5 -C 24 α-olefin, and a method for their synthesis, are disclosed. The polymers have non-regular microstructures...
|
|
|
6281308 |
Olefin polymerization catalysts containing amine derivatives
Olefin polymerization is performed in the presence of a catalyst comprising a compound of the formula ##STR1## wherein M is a Group 3-10 transition metal; A is O, S, N--R", or P--R"; L is an...
|
|
|
6281305 |
Iron-based catalyst for producing oligomers of conjugated dienes
A catalyst composition that is the combination of or the reaction product of ingredients including an iron-containing compound, a hydrogen phosphite, a halogen-containing compound, and an...
|
|
|
6265506 |
Method for the preparation of copolymers of ethylene/norbornene-type monomers with cationic palladium catalysts
A method of preparing generally amorphous copolymers of ethylene and at least one norbornene (NB)-type comonomer. These polymers may be random or alternating, depending on the choice of catalyst...
|
|
|
6239061 |
Aluminum-phosphinimine complexes as catalysts for the (co)polymerization of ethylene
Aluminum-phosphinimine complexes function as a component in a catalyst system for the (co)polymerization of ethylene. The inventive catalyst components form a highly productive polymerization...
|
|
|
6231804 |
Modified olefin (co)polymer composition, process for preparing the same, and modified olefin (co)polymer composition molding
A high molecular weight polyethylene prepared by preliminary polymerization is added at the time of main polymerization of an olefin, for example, propylene, to prepare an olefin (co)polymer...
|
|
|
6201080 |
Preparation of syndiotactic 1, 2-polybutadiene using a chromium-containing catalyst system
The instant invention teaches a method for forming a syndiotactic 1,2-polybutadiene product having a syndiotacticity of more than 66.5% and a melting temperature of more than about 100° C. The...
|
|
|
6180734 |
Process for producing syndiotactic 1,2-polybutadiene and iron-based catalyst compositions for use therein
A catalyst composition comprising (a) an iron-containing compound, (b) a cyclic hydrogen phosphite, and (c) an organoaluminum compound is disclosed for polymerizing 1,3-butadiene into syndiotactic...
|
|
|
6177528 |
Substituted aminomethylphosphines, compositions and coordination complexes of same, their synthesis and processes using same
Novel aminomethylphosphine ligands have particular substituents on the central carbon atom. Such ligands form coordination complexes that may be catalysts for the polymerization of monomers or...
|
|
|
6160063 |
Iron-based catalyst for producing binary cis-1,4-/1,2-polybutadiene
A catalyst composition that is the combination of or the reaction product of ingredients including an iron-containing compound, an organomagnesium compound, and a cyclic hydrogen phosphite. This...
|
|
|
6127497 |
Elevated pressure polymerization processes with late transition metal catalyst systems
The invention encompasses late transition metal catalyst systems and their use in polymerization processes, particularly in solution, 2-phase suspension and super-critical phase polymerization of...
|
|
|
6127301 |
Catalyst system and method for reaction of olefin
The present invention provides a novel catalyst system which can be preferably used in the trimerization, oligomerization reaction or polymerization reaction of an olefin, and a method for the...
|
|
|
6015841 |
Initiator systems containing vanadium tetrachloride for the (co)polymerization of isoolefins
This invention relates to an initiator system for the polymerization of isoolefins having 4 to 16 carbon atoms, optionally with monomers polymerizable with isoolefins, the system consisting of or...
|
|
|
5919875 |
Method of preparing syndiotactic 1,2-polybutadiene with a chromium-based catalyst system
A process for polymerizing 1,3-butadiene into syndiotactic 1,2-polybutadiene is described using a catalyst system comprising (a) a chromium-containing compound, (b) an organoaluminum hydride, and...
|
|
|
5914377 |
Method for the production of diene rubbers in the gas phase
Diene rubbers are produced in the gas phase by first polymerizing the dienes or diene mixtures in the presence of a catalyst system, which is based on rare earth compounds, at temperatures of from...
|