|8415491||Surface treatment and exchange of nanostructures from aqueous suspension into organic media and into polymer-matrix composites|
The present invention is directed to a method of exchanging nanostructures from within aqueous liquid media into organic liquid media. The steps comprise first supplying solid nanostructures in an aqueous liquid media, adjusting the pH, incorporating an ionic surfac...
|8344169||Vinyl-alkynylsubstituted germanium compounds and method to obtain vinyl-alkynylsubstituted germanium compounds|
New vinyl-alkynylsubstituted germanium compounds having the general formula 1 are the subject of the invention. The invention also relates to a new method of obtaining vinyl-alkynylsubstituted germanium compounds having the general formula 1. — A denotes: diethylg...
|8309747||Process for synthesizing bridged cyclopentadienyl-indenyl metallocenes|
The present invention provides methods of making bridged cyclopentadienyl-indenyl metallocene compounds. Generally, these methods can be conducted without the use of a fine purification process such as distillation, chromatography, and crystallization. ...
|8263795||Copper precursors for thin film deposition|
Non-fluorinated copper precursors and methods for making and using same are described herein. In certain embodiments, the copper precursors described herein may be used as precursors to deposit copper films and alloys thereof on a substrate through, for example, ato...
|7910760||Semi-rigid linked diamines, precursors therefor, and transition metal diamido complexes as catalysts for olefin polymerization processes|
The invention relates to a process for producing a complex for use in olefin polymerization and oligomerization of the general formula (III): wherein Mt is a group 3 to 12 element in a +2 to +6 oxidation state wi...
|7880025||Ruthenium silyl-arene complex , and method for production thereof|
The present invention is to provide a ruthenium complex having a novel arene moiety, which has improved solubility in various solvents, and a method for production thereof. The present invention relates to a novel ruthenium complex having an arene moiety, whi...
|7759508||Volatile copper(1) complexes and processes for deposition of copper films by atomic layer deposition|
Provided are novel 1,3-diimine copper complexes, and processes for using 1,3-diimine copper complexes in the deposition of copper on substrates, or in or on porous solids, by atomic layer deposition. ...
|7518007||Ge precursor, GST thin layer formed using the same, phase-change memory device including the GST thin layer, and method of manufacturing the GST thin layer|
Provided are a Ge precursor for low temperature deposition containing Ge, N, and Si, a GST thin layer doped with N and Si formed using the same, a memory device including the GST thin layer doped with N and Si, and a method of manufacturing the GST thin layer. The G...
|7393965||Crosslinked metallocene compound for olefin polymerization and method of polymerizing olefin with the same|
The bridged metallocene compound or the olefin polymerization catalyst which comprises the compound, enables high polymerization activity in polymerizing one or more monomers selected from ethylene and α-olefins. The bridged metallocene compound contains specific s...
|7342078||Transition metal compound, ligand system, catalyst system and the use of the latter for polymerisation and copolymerisation of olefins|
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 ...
|7329768||Chemical vapor deposition precursors for deposition of tantalum-based materials|
Tantalum precursors suitable for chemical vapor deposition of tantalum-containing material, e.g., tantalum, TaN, TaSiN, etc., on substrates. The tantalum precursors are substituted cyclopentadienyl tantalum compounds. In one aspect of the invention, such compounds a...
|7307177||Metallocene complexes, their synthesis and use in catalyst systems for olefin polymerization|
A metallocene complex is represented by the the formula (CpR5)nMXk where Cp (each occurrence) is a cyclopentadienyl group; each of the five R substituents on the or each cyclopentadienyl grou...
|7294729||Bis-chelating ligand and use thereof in carbonylation processes|
A novel bis-chelating composition characterized by formula I: wherein M is a Group VB element; R1 and R2 are each independently selected from hydrogen and monovalent hydrocarbyl radicals; or R1 and R2 are bonded together to form a diradical; or one of R1 or R2 is hy...
|7285608||Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins|
A catalyst system includes a metallocene compound having the formula R9 L1 L2 M1 R1 R2 wherein R9 is a bridge between ligands L1 and L2 and M1 is a metal of...
|7279432||System and method for forming an integrated barrier layer|
An apparatus and method for forming an integrated barrier layer on a substrate is described. The integrated barrier layer comprises at least a first refractory metal layer and a second refractory metal layer. The integrated barrier layer is formed using a dual-mode ...
|7250478||Silicon containing cyclopentadienyl ring for metallocene catalyst components|
The present invention refers to a metallocene catalyst component for producing polyolefins according to formula (I) R″s (CpRn)g (CpRn) M Q3-g (I) or according to formula (II) R″(CpRn)MeXQ (II) whe...
|7250538||Process for the hydroformylation of an ethylenically unsaturated compound|
Process for the hydroformylation of an optionally substituted ethylenically unsaturated compound by reaction thereof with carbon monoxide and hydrogen in the presence of a specific catalyst system which includes a source of Group VIII metal cations; a diphosphine li...
|7247595||Supported metallocene catalyst and olefin polymerization using the same|
A metallocene compound represented by the following Chemical Formula 1: wherein M is a transition metal of Group 4; Cp denotes a cyclopentadienyl ring unsubstituted or su...
|7247594||Catalysts for olefin polymerization|
This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, including polymerization methods using a catalyst composition. One aspect of this invention is the formation and u...
|7241849||Group III bridged metallocene based on cyclopentadienyl-fluorenyl ligands|
The present invention discloses a metallocene catalyst component of formula (Flu-R″-Cp)M(η3-C3R′5)(ether)n (I) wherein Cp is a cyclopentadienyl, substituted or unsubstituted, Flu is a fluorenyl, substituted or unsubst...
|7241903||Metallocenes, use in catalyst system for producing olefin polymers|
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; R1 is a linear C1-C20-alkyl radical; R2 is a hydrogen atom or hydrocarbon ...
|7238818||Heterocyclic metallocenes and polymerization catalysts|
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): YjR″...
|7238819||Process for preparing isobutylene-based polymers|
This invention relates to a metal organic compound, a catalytic composition comprising said metal organic compound, a process for homo- or co-polymerizing isoolefines in the presence of said metal organic compound and a method of stabilizing a compound of the genera...
|7223878||Reduction of concentration of inorganic by-products and organometallic by-products in the preparation of metallocenes and economical recovery of the starting materials used|
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...
|7214749||Catalyst system for high activity and stereoselectivity in the homopolymerization and copolymerization of olefins|
The present invention is directed to a novel composition, and to a method of making the composition, the composition being useful in catalyst systems for the homopolymerization and/or copolymerization of olefins, wherein such catalyst systems display a higher level ...
|7208197||Method of depositing copper on a support|
A process for the deposition of copper on a support. The process includes bringing a copper precursor, in the vapor phase, into contact with a heated support, optionally in the presence of hydrogen. The copper precursor is in the form of a CuCl or CuBr composition i...
|7204886||Apparatus and method for hybrid chemical processing|
A method and apparatus for performing multiple deposition processes is provided. In one embodiment, the apparatus includes a chamber body and a gas distribution assembly disposed on the chamber body. In one embodiment, the method comprises positioning a substrate su...
|7202190||Supported catalyst system for the polymerization of olefins|
A supported catalyst system for polymerizing olefins comprising a) a support, b) a Lewis base of the formula M3R6R7R8 (I) wherein M3 is an element...
|7199255||Imino-amide catalysts for olefin polymerization|
The present invention provides a catalyst precursor, a catalyst system comprising the precursor, and a polymerization method using the catalyst system, an embodiment of the precursor is selected from the following structures:
|7195806||High gloss polyethylene articles|
The present invention includes an end use article (i.e., an article of manufacture) and a process for making the same, wherein the end use article has a relatively high gloss and exhibits excellent processability over a wide range of processing conditions. The end u...
|7193099||Racemoselective preparation of isolable ansa-metallocene biphenoxide complexes|
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 wa...
|7176158||Polymerization catalyst composition|
Copolymerization of Ni(H) or Co(II) acenaphthene diimine complexes containing olefinic substituents on aryl groups in the presence of a free radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligo...
|7169729||Use of zinc derivatives as cyclic ester polymerization catalysts|
The invention concerns the use of zinc derivatives of general formula (I) wherein: L1 represents a group of formula: —E14(R14)(R′14)(R″14), —E15(R15) (R′15) or —E
|7169947||Dicopper(I) oxalate complexes for use as precursor substances in metallic copper deposition|
The invention relates to dicopper(I) oxalate complexes stabilised by neutral Lewis base components and to the use thereof as precursors for the deposition of metallic copper. The neutral Lewis bases used are alkynes or alkenes containing at least one silyl or ester ...
|7166732||Copper (I) compounds useful as deposition precursors of copper thin films|
Copper (I) amidinate precursors for forming copper thin films in the manufacture of semiconductor devices, and a method of depositing the copper (I) amidinate precursors on substrates using chemical vapor deposition or atomic layer deposition processes. ...
|7148356||Process for the catalytic synthesis of biaryls and polymers from aryl compounds|
A process for producing organic substituted aromatic or heteroaromatic compounds including biaryl and biheteroaryl compounds in a two-step reaction. In the first step, the aromatic or heteroaromatic compound is borylated in a reaction comprising a borane or diborane...
|7141690||Transition metal complexes, ligands, polymerization catalysts for olefins, and process for production of olefin polymers|
A transition metal complex represented by the formula (1): wherein M is a Group 4 transition metal, A is a Group 16 element, B is a Group 14 element, n is an integer of 0 or 1, R1, R2, R
|7132382||Polymerization process using a metallocene catalyst system|
A film comprising a polyethylene composition, the polyethylene composition in one embodiment comprising a high molecular weight component having a weight average molecular weight of greater than 50,000 amu and a low molecular weight component having a weight average...
|7125999||Process for producing organotitanium compound and process for addition reaction|
A process for producing an organotitanium compound capable of regioselectively converting a substituted acetylene compound into polysubstituted benzene or polysubstituted pyridine. The process comprises reacting an acetylene compound represented by the formula (1)
|7119043||Olefin polymerization processes and products thereof|
A novel loop/slurry olefin polymerization process is provided which produces ultra high molecular weight ethylene homopolymers and ultra high molecular weight ethylene copolymers. Catalyst systems used are selected from the group consisting of inorganic oxide suppor...