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| Number | Title | Issue Date |
| 7982063 | Mineral/organic composite material The invention relates to a composite material comprising nanoparticles of at least one metal derivative and at least one type of carboxylic and/or sulfonic acid derivative organic compound chemically bound in a covalent manner with said nanoparticles by means of at ... | 07/19/2011 |
| 7956207 | Heteroleptic organometallic compounds This invention relates to organometallic compounds represented by the formula (L1)xM(L2)y wherein M is a metal or metalloid, L1 and L2 are different and are each a hydrocarbon group or a heteroatom-co... | 06/07/2011 |
| 7816549 | Metal-containing compound, its production method, metal-containing thin film, and its formation method A compound which has thermal stability and moderate vaporizability and is satisfactory as a material for the CVD or ALD method; a process for producing the compound; a thin film formed from the compound as a raw material; and a method of forming the thin film. A com... | 10/19/2010 |
| 7790911 | Advanced preparation method of organic-transition metal hydride complexes as hydrogen storage materials The present invention relates to an advanced preparation method of organic-transition metal hydride used as hydrogen storage materials, the method including: preparing organic-transition metal-aluminum hydride complexes by reacting the organic-transition metal halid... | 09/07/2010 |
| 7659415 | Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/... | 02/09/2010 |
| 7652159 | Process for producing metallocene compound The invention provides a process for producing a metallocene compound of formula (3) wherein R1 to R9 independently denote a hydrogen atom, a halogen atom, an alkyl, or the like; R10 | 01/26/2010 |
| 7638645 | Metal (IV) tetra-amidinate compounds and their use in vapor deposition Metal(IV) tetrakis(N,N′-dialkylamidinates) were synthesized and characterized. Exemplary metals include hafnium, zirconium, tantalum, niobium, tungsten, molybdenum, tin and uranium. These compounds are volatile, highly stable thermally, and suitable for vapor depo... | 12/29/2009 |
| 7632958 | Titanium complexes, their production methods, titanium-containing thin films, and their formation methods Objects of the present invention are to provide a novel titanium complex that has good vaporization characteristics and an excellent thermal stability, and becomes a raw material for forming a titanium-containing thin film by methods such as CVD method or ALD method... | 12/15/2009 |
| 7439205 | Tridentate metal catalyst for olefin polymerization In accordance with the present invention, there is provided a transition metal olefin polymerization catalyst component characterized by the formula: where, M is a Group IV or a Group IV transition metal, B is a bridge grou... | 10/21/2008 |
| 7419698 | Precursors for chemical vapor deposition Ti, Zr Hf and La precursors for use in MOCVD techniques have a ligand of the general formula OCR1(R2)CH2X, wherein R1 is H or an alkyl group, R2 is an optionally substituted alkyl group and X is selected from OR... | 09/02/2008 |
| 7378537 | Olefin oligomerization catalysts and methods of using same A metal complex comprising a metal compound complexed to a heteroatomic ligand, the metal complex having Structure X: wherein R1, R2, R3, and R4 are each independently an alkyl gr... | 05/27/2008 |
| 7351678 | Catalyst systems for Ziegler-Natta propene polymerisation The invention relates to the use of nitrogenous aluminium organyl complexes of general formula (I) as co-catalysts in heterogeneous polymerisation reactions of propene. In said formula: R, R′, R1 and R1′ independently of one another represe... | 04/01/2008 |
| 7332618 | Organometallic precursor compounds This invention relates to organometallic precursor compounds represented by the formula (H)mM(R)n wherein M is a metal or metalloid, R is the same or different and is a substituted or unsubstituted, saturated or unsaturated, heterocyclic radica... | 02/19/2008 |
| 7319158 | Process for producing high-purity hafnium amide A process for producing a high-purity hafnium amide includes the steps of (a) adding a compound which contains a carbonyl group or sulfonyl group and is represented by the formula of A(OyXOnRf)m (e.g., CF3SO | 01/15/2008 |
| 7301040 | Bidentate catalyst for olefin polymerization, methods of forming such and products therefrom Bidentate catalyst systems and the methods or forming such are described herein. The catalyst systems generally are compounds having the general formula: where R, R1, R2 and R3 ar... | 11/27/2007 |
| 7291575 | Active, heterogeneous bi- or tri-dentate catalyst A catalyst composition, and olefin polymerization process using same, formed from a mixture of a non-aluminoxane aluminum compound, an inorganic oxide and a transition metal bidentate or tridentate complex in certain prescribed proportions. The composition can be fo... | 11/06/2007 |
| 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... | 10/23/2007 |
| 7268243 | Bis(salicylaldiminato)titanium complex catalysts, highly syndiotactic polypropylene by a chain-end control mechanism, block copolymer containing this Bis(salicylaldiminato)titanium complex with optionally substituted phenyl or cyclohexyl on nitrogen catalyzes highly syndiospecific polymerization of propylene. Syndiotactic polypropylene with defects of the type rmr having [rrrr] content greater than 0.70 and block... | 09/11/2007 |
| 7238821 | Method for large scale production of organometallic compounds This invention relates to a one pot method for large scale production of an organometallic compound comprising (i) reacting a hydrocarbon or heteroatom-containing material with a base material in the presence of a solvent and under reaction conditions sufficient to ... | 07/03/2007 |
| 7214745 | Process for producing polymer A process for producing an olefin polymer with high polymerization activity without using an expensive co-catalyst or using a limited amount of the co-catalyst, more particularly a process for producing a high molecular weight (co)polymer with high polymerization ac... | 05/08/2007 |
| 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 ... | 05/08/2007 |
| 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: | 04/03/2007 |
| 7196210 | Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein, with application for gas storage The ability to design and construct solid-state materials with pre-determined structures is a grand challenge in chemistry. An inventive strategy based on reticulating metal ions and organic carboxylate links into extended networks has been advanced to a point that ... | 03/27/2007 |
| 7196032 | Fluoroalcohol leaving group for non-metallocene olefin polymerization catalysts A catalyst composition and method for olefin polymerization are provided. In one aspect, the catalyst composition is represented by the formula αaβbγgMXn wherein M is a metal; X is a halogenated aryloxy group; β and γ... | 03/27/2007 |
| 7196211 | Hafnium-containing material for film formation, method for producing the same, and method for producing hafnium-containing thin film using the same A hafnium-containing material is presented for forming a film having excellent vaporization stability and higher film formation rate. Also a method for producing the film is presented. The hafnium-containing material for film formation has a bond of a hafnium atom w... | 03/27/2007 |
| 7179765 | Process for preparing hydrogen peroxide from the elements The present invention relates to a process for the preparation of hydrogen peroxide from oxygen or oxygen-delivering substances and hydrogen or hydrogen-delivering substances in the presence of at least one catalyst containing a metal-organic framework material, whe... | 02/20/2007 |
| 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 | 01/30/2007 |
| 7166553 | Mixed catalyst compositions for the production of polyolefins A solid, hydrocarbon insoluble catalyst composition comprising: A) a solid, particulated complex comprising moieties of at least magnesium, a Group 4 transition metal, and a halide; B) one or more α-amino-substituted- or α-imino-substituted-2-alkylpyridine compoun... | 01/23/2007 |
| 7166684 | Transition metal compound, catalyst for olefin polymerization and method for producing polyolefin A novel transition metal compound wherein the transition metal belongs to group 4 of the periodic table and the transition metal compound has a hydrogen atom ligand and three cyclopentadienyl ligands comprising at least one substituted cyclopentadienyl ligand. The n... | 01/23/2007 |
| 7164020 | Preparation of metal amide complexes A process for the preparation of a Group 4 metal amide complex comprising a monovalent or divalent Lewis base ligand the steps of the process comprising contacting a Group 4 metal amide with a neutral source of a monovalent or divalent, Lewis base ligand group and a... | 01/16/2007 |
| 7157591 | Metallocenes and catalyst compositions derived therefrom Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula: wherein M1 preferably is zirconium or hafnium; and R5 is di... | 01/02/2007 |
| 7148367 | Organometallic compound, its synthesis method, and solution raw material and metal-containing thin film containing the same The organometallic compound of the present invention is a compound that has bonds between metal atoms and nitrogen atoms or bonds between semimetal atoms and nitrogen atoms, and the content of chlorine in the compound is 200 ppm or less and the content of water is 3... | 12/12/2006 |
| 7141688 | Fluorinated dye stabilizers in fluorinated dielectric solvent The present invention is directed to novel fluorinated dye stabilizers having both high quenching efficiency and solubility in halogenated solvents. These dye stabilizers have shown a significantly effect on improving the dye fastness in hostile photooxidation condi... | 11/28/2006 |
| 7122689 | Titanium substituted pyridyl amine complexes, catalysts and processes for polymerizing ethylene and stryene New compositions, titanium-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with titanium metal centers have high performance characteristics, including high styrene inco... | 10/17/2006 |
| 7109278 | Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins Organometallic transition metal compounds of the formula (I) where M1 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, C1–C20... | 09/19/2006 |
| 7105672 | Cyclometallated catalysts A catalyst compound of formula I or II: (wherein R1–R11, M, E, T, X, Y, m and n are defined herein). The compound, when combined with a suitable activator, is active for the polymerization o... | 09/12/2006 |
| 7101959 | Polymerization catalysts A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts. ... | 09/05/2006 |
| 7102006 | Preparation of metal complexes A process for the preparation of Group 4 metal hydrocarbyl complex the steps of the process comprising contacting a Group 4 metal amide with a neutral source of a monovalent or divalent, Lewis base ligand group and a Lewis acid hydrocarbylating agent under condition... | 09/05/2006 |
| 7094723 | Catalysts containing at least one heterocyclic ligand for improving the catalysts' performance of olefin polymerization The present invention provides a non-metallocene catalyst comprising a complex having one or more ligands coordinated a transition metal. The catalyst contains substituents bonded to the transition metal through a heteroatom such as oxygen or sulfur. Furthermore, th... | 08/22/2006 |
| 7091151 | Catalytic system for aldol reactions The invention relates to a catalytic system for use in a process for the preparation, in a single step, of enones by an aldol condensation of a ketone, such as a gem-dimethyl cyclohexylethanone or gem-dimethyl cyclohexenylethanone derivative, with an aldehyde in the... | 08/15/2006 |
