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| Number | Title | Issue Date |
| 8044225 | Zwitterionic Group VIII transition metal initiators supported by olefin ligands A zwitterionic Group VIII transition metal complex containing the simple and relatively small 3-(arylimino)-but-1-en-2-olato ligand that catalyzes the formation of polypropylene and high molecular weight polyethylene. A novel feature of this catalyst is that the act... | 10/25/2011 |
| 7319083 | Polymerized catalyst composition A composition is provided that includes a product of combining, in the presence of a free radical initiator a catalyst precursor and at least one monomer wherein the monomer and the catalyst precursor are poiymerizable by free-radical polymerization and wherein the ... | 01/15/2008 |
| 7270728 | Photochemical transformation of metallic and non-metallic ions in an aqueous environment The invention comprises a method of photochemical transformation of metallic and non-metallic ions in an aqueous environment. The method comprises exposing the ions to UV irradiation in the presence of an organic acid. The aqueous ions are reduced by the method and ... | 09/18/2007 |
| 7253213 | Anionic and Lewis base photopolymerization process and its use for making optical articles The invention relates to a process for polymerising a monomer, polymerizing and/or crosslinking an oligomer, or crosslinking a polymer or copolymer, said monomer, oligomer, polymer and copolymer being selected among precursor monomers, urethane, thiourethane and epi... | 08/07/2007 |
| 7211235 | Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ... | 05/01/2007 |
| 7067686 | Synthesis of benzyl-metal compounds Disclosed are methods of producing di-, tri- or tetrabenzyl-metal compounds comprising combining a metal salt with a (benzyl)nMgX2-n compound at from less than 30° C., wherein n is 1 or 2 and X is a monoanionic group; wherein the combining tak... | 06/27/2006 |
| 7049453 | “Constrained geometry” metallocenes, method for the production thereof and use of the same for the polymerisation of olefins The present invention relates to a process for preparing specific transition metal compounds, novel transition metal compounds and also catalyst systems and their use for the homo- or copolymerization of olefins. ... | 05/23/2006 |
| 7037987 | Olefin polymerization catalyst and polymerization process A polymerization catalyst for the polymerization and copolymerization of olefin monomers and the copolymerization of olefin monomers with other monomers selected from, for example, norbornenes and styrenes are disclosed. The polymerization catalysts disclosed contai... | 05/02/2006 |
| 7034157 | Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefins Olefin polymerization catalyst precursors are described herein. The precursors are generally characterized by the formula: wherein M is a transition metal selected from groups 8 to 10 of the Periodic Table; n is an inte... | 04/25/2006 |
| 7030257 | Metallocenes and processes for their preparation Disclosed herein are novel high oxidation state metallocene compounds, processes for preparing these compounds and uses of these compounds. ... | 04/18/2006 |
| 7025945 | Transition metal acetylide compound, nano-powder and method for producing a transition metal acetylide compound An anhydrous chloride with a formula of MCl2 (M=Fe, Co or Ni) is dissolved into an anhydrous acetonitrile solvent to form a chloride-acetonitrile solution. Then, calcium carbide minute powders are added and dispersed in the chloride-acetonitrile solution ... | 04/11/2006 |
| 7019158 | Chiral organometallic compounds for use in asymmetric synthesis Chiral organometallic compounds are provided which comprise certain non-symmetrically substituted cyclopentadiene complexed to a transition metal. The cyclopentadiene has a second coordinating group which also complexes the transition metal and is attached to the cy... | 03/28/2006 |
| 7019145 | Method for preparing metallic carbene-based catalysts for hydrosilylation of unsaturated compounds and resulting catalysts The invention concerns an improved method for preparing catalysts for hydrosilylation reactions of compounds with ethylene or acetylene unsaturation (for example olefins or acetylene derivatives), in particular but not exclusively those involving polyorganosiloxanes... | 03/28/2006 |
| 6967256 | Formation of enediynes by reductive coupling followed by alkyne metathesis One aspect of the present invention relates to methods of preparing enedialkylidyne complexes, enediynes, and alkyne metathesis catalysts, as well as methods of catalyzing alkyne metathesis reactions. The present invention also relates to methods of activating enedi... | 11/22/2005 |
| 6939969 | Tri-and bidentate amido ligands prepared by palladium0 coupling and metallation thereof to form metal-amido catalysts This invention provides an amido ligand and its synthesis. Use of the amide ligand in a variety of metal complexes, and transition metals in particular, is also provided. ... | 09/06/2005 |
| 6906112 | Radiation-curable, cyanoacrylate-containing compositions A radiation-curable composition which includes a cyanoacrylate component or a cyanoacrylate-containing formulation; a metallocene component; and a polymerizingly effective amount of a photoinitiator to accelerate the rate of cure is provided. ... | 06/14/2005 |
| 6888002 | Transition metal complexes with diaminocarbene ligands and their use in reactions catalyzed by transition metals The invention relates to novel transition metal complexes containing at least one diaminocarbene ligand, to processes for preparing these transition metal complexes and to their use as catalysts in organic reactions. ... | 05/03/2005 |
| 6872843 | Non-metallocene compounds, method for the production thereof and use of the same for the polymerization of olefins The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to the use of the same for the polymerisation of olefins. ... | 03/29/2005 |
| 6844442 | Method for the preparation of metal carbene complexes The present invention provides a process for preparing a metal carbene complex of formula (I): wherein M is a transition metal atom selected from the group consisting of ruthenium, rhodium, iron, cobalt, osmium and iridium; L denotes neutral donor ligands ligated to... | 01/18/2005 |
| 6841638 | Ionic compounds with delocalized anionic charge, and their use as ion conducting components or as catalysts The invention relates to an ionic compound corresponding to the formula [R1X1(Z1)—Q−—X2(Z2)—R2]m Mm+ in which Mm+ is a cation of valency m, each of ... | 01/11/2005 |
| 6833464 | Catalyst composition, method of making same and its use in olefin polymerization A composition of matter comprising a compound having the general formula: [CpM(ArF)Y]p wherein Cp is a substituted or unsubstituted cyclopentadienyl ligand or cyclopentadienyl-type bulky li... | 12/21/2004 |
| 6812306 | Metallic compounds and the use thereof in the polymerization of olefins Metal compounds of the formula I, where M is selected from among Ni and Pd in the oxidation state +II can be used for the polymerization or copolymerization of olefins. Supported catalysts for the polymerization and co... | 11/02/2004 |
| 6806327 | Substituted polycyclic, fused ring compounds, metal complexes and polymerization process Metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof comprising at least: (1) a cyclopentadienyl ring, (2) a 7 membered polyatomic ring, and (3) one or more aromatic ring systems, with the proviso that said 7 membered ... | 10/19/2004 |
| 6800776 | Method for the preparation of ferrocenyl substituted styrene Ferrocenecarbonyl and toluene bromide are reacted in an ether solvent and in the presence of magnesium metal as a catalyst. The liquid portion of the reaction mixture is introduced into a silica gel column, wherein the weak acidity of the silica gel is able to dehyd... | 10/05/2004 |
| 6800701 | Polycyclic, fused ring compounds, metal complexes and polymerization process Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6, 7, or 8 membered ring other than a 6-... | 10/05/2004 |
| 6613921 | Polycyclic, fused ring compounds, metal complexes and polymerization process Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6, 7, or 8 membered ring othe... | 09/02/2003 |
| 6593437 | Metal organic catalysts for polymerizing unsaturated compounds A process for preparing 1,2-diimine compounds of the formula I ##STR1## where R1 and R2 are, independently of one another, alkyl, aryl or metallocenyl radicals, and R3, R4 are, independently of one another, H, a... | 07/15/2003 |
| 6531107 | Fabrication of molecular nanosystems The invention relates to structural subunits called "synthons" which are suitable for use in the design and manufacture of molecular nanostructures, machines, and devices. The synthon comprises polyhedra units and other species which exhibit rigid structu... | 03/11/2003 |
| 6517795 | Process for producing hydrotalcites and the metal oxides thereof A process for producing high-purity hydrotalcites by reacting alcohols or alcohol mixtures with at least one or more divalent metal(s) and at least one or more trivalent metal(s) and hydrolyzing the resultant alcoholate mixture with water. The correspondi... | 02/11/2003 |
| 6511936 | Catalyst compounds with ଲ-diminate anionic ligands and processes for polymerizing olefins The present invention relates to catalyst systems, processes for making such catalysts, intermediates for such catalysts, and olefin polymerization processes using such catalysts wherein such catalyst includes a component represented by the following form... | 01/28/2003 |
| 6444818 | Metal complexes with chelating C-, N-donor ligands for forming metal-containing films A method of forming a film on a substrate using transition metal or lanthanide complexes. The complexes and methods are particularly suitable for the preparation of semiconductor structures using chemical vapor deposition techniques and systems.... | 09/03/2002 |
| 6423199 | Electrochemical ion exchange using carbollide systems An electrochemical ion exchange cell comprises a metal carbollide as ion exchange material. The carbollide is preferably a polynuclear cobalt dicarbollide and is typically substituted by chlorine. Also novel are polynuclear metal carbollides comprising a ... | 07/23/2002 |
| 6316652 | Drug mitochondrial targeting agents The invention relates to novel targeting drug agents that are targeted for entry into the mitochondria. More specifically, the agents are cisplatin derivatives called mitoplatins which are useful as anti-tumor agents. Mitoplatins are named for their targe... | 11/13/2001 |
| 6313331 | Carbene transition metal catalysts The present invention relates to novel complexes of (transition) metals containing ligands having phosphorus centers supporting a carbene structure or heteroalkane radical bonded to the (transition) metal.... | 11/06/2001 |
| 6303805 | Metallocene complexes and method of preparing the same The metallocene complexes according to the present invention are prepared by reacting a transition metal complex of Group III-X of the Periodic Table, having at least one cycloalkanedienyl group, with a compound having at least two functional groups. The ... | 10/16/2001 |
| 6278056 | Metal complex useful as sensitizer, dye-sensitized oxide semiconductor electrode and solar cell using same A metal complex represented by the formula: (X)n ML1 L2, (X)2 M(L1)2 or (L1)2 ML2 wherein M represents a Group VIII metal, X represents a polar group, L1 | 08/21/2001 |
| 6245988 | Metal complex photosensitizer and photovoltaic cell A photosensitizer complex of formulae (Ia) MX3 Lt or (Ib) MXYLt in which M is a transition metal selected from ruthenium, osmium, iron, rhenium and technetium, preferably ruthenium or osmium; each X is a co-ligand independ... | 06/12/2001 |
| 6229035 | Preparation of substituted aromatic amines A method for producing aromatic amines such as N-phenyl-p-phenylenediamine is disclosed wherein an amine substituted aromatic such as aniline is oxidized with oxygen or hydrogen peroxide in the presence of a preferred alkali metal pentacyano ferrate(II) c... | 05/08/2001 |
| 6180764 | Process for producing hydrotalcites by hydrolyzing metal alcoholates A process for producing high-purity hydrotalcites by reacting alcohols or alcohol mixtures with at least one or more divalent metal(s) and at least one or more trivalent metal(s) and hydrolysing the resultant alcoholate mixture with water. The correspondi... | 01/30/2001 |
| 6146608 | Stable hydride source compositions for manufacture of semiconductor devices and structures A metal hydride derivative wherein at least one hydrogen atom is replaced by deuterium (21 H) or tritium (31 H) isotope. The metal constituent of such metal hydride may be a Group III, IV or V metal or a transit... | 11/14/2000 |
