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| Number | Title | Issue Date |
| 8163947 | Cyanation catalyst and method for producing optically active cyanhydrin compound using the same The present invention can provide a cyanation catalyst represented by the general formula (I): (in the formula (I), R1 through R4 are each an optionally substituted hydrocarbon... | 04/24/2012 |
| 7678933 | Transition metal complexes and preparation methods thereof The present invention provides a novel mononuclear transition metal compound, a novel binuclear transition metal compound, a novel organic amine or phosphorous compound, and a method for preparing the same. The mononuclear transition metal compound according to the ... | 03/16/2010 |
| 7361786 | Bisphosphines as bidentate ligands The present invention relates to ligands of the general formula (I). In addition, a process for the production thereof and the use thereof are demonstrated. ... | 04/22/2008 |
| 7341818 | Norbornene-type monomers and polymers containing pendent lactone or sultone groups The disclosed invention relates to novel norborne-type monomers containing pendent lactone or sultone groups. The invention also relates to norborne-type polymers and copolymers containing pendent lactone or sultone groups. These polymers and copolymers are useful i... | 03/11/2008 |
| 7312251 | Synthesis of stable solutions of rare earth tris (organophosphate) in hydrocarbon solvents Stable rare earth tris (organophosphate) solutions comprise a rare earth tris (organophosphate) and a hydrocarbon solvent. From about 2% to about 10% rare earth element, preferably from about 3% to about 8%, is present in the solutions. The rare earth tris (organoph... | 12/25/2007 |
| 7268095 | Transition metal catalysts for (co) polymerizing of olefinic monomers A compound of the formula Ia or Ib; where, in the formula Ia, E1 is O, S, Se, Te, NR, CR2, or PR; E2, E... | 09/11/2007 |
| 7256302 | Substituted paracyclophane derivatives in asymmetric catalysis A substituted paracyclophane is described of formula (I) wherein X1 and X2 are linking groups comprising between 2 to 4 carbon atoms, Y1 and Y2 are selected from the group consisting of hydrogen, halide, oxygen, nitrogen, ... | 08/14/2007 |
| 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... | 07/31/2007 |
| 7217828 | Phosphinine compounds and metal complexes thereof Phosphinines of formula (I) can be combined with metal salts to prepare hydroformylation catalysts. The phosphinine complexes have two phosphorus centers that may be substituted with a variety of hetero atoms or alkyl substituents to modify the ligand characteristic... | 05/15/2007 |
| 7214746 | Phosphorus bridged metallocene compounds for olefin polymerization This invention relates to metallocene compounds represented by formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is ... | 05/08/2007 |
| 7208611 | Platinum-containing compounds exhibiting cytostatic activity, synthesis and methods of use Platinum containing compounds exhibiting cytostatic activity, methods of synthesizing platinum-containing compounds exhibiting cytostatic activity pharmaceutical compositions comprising platinum containing compounds, and methods of using such compounds and compositi... | 04/24/2007 |
| RE39561 | Metallocenes containing ligands of 2-substituted indenyl derivatives, process for their preparation, and their use as catalysts The novel metallocenes of the formula I in which, preferably, M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R3 and R4 are hydrogen, R5 and R6 are alky... | 04/10/2007 |
| RE39532 | Metallocenes containing ligands of 2-substituted indenyl derivatives, process for their preparation, and their use as catalysts The novel metallocenes of the formula I in which, preferably, M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R3 and R4 are hydrogen, R5 and R6 are alky... | 03/27/2007 |
| 7186784 | Phosphorus-containing carboxylic acid derivatives process for preparations thereof and flame retardant There are disclosed a phosphorus-containing carboxylic acid derivative which has a group containing phosphorus atom and has in its molecule, a group represented by the following formula (1): wherein R1... | 03/06/2007 |
| 7160836 | Materials comprising organic groups containing sulphur and phosphorous bonded to a mineral oxide via oxygen atoms The invention describes materials comprising organic groups containing sulphur and phosphorous bonded together by a hydrocarbon chain and bonded via phosphorous and oxygen atoms to a mineral oxide of an element M, said materials being characterized in that they comp... | 01/09/2007 |
| 7138520 | Coordination complexes having tethered therapeutic agents and/or targeting moieties, and methods of making and using the same In part, the present invention is directed to coordination complexes comprising a therapeutic agent. In one aspect, the subject compositions comprise a platinum metal center and a covalently attached therapeutic agent. ... | 11/21/2006 |
| 7115659 | Method of treating a condition by administering a prostaglandin derivative 2-Decarboxy-2-phosphinico prostaglandin derivatives are disclosed. These derivatives comprise a modified α-chain and an Ω-chain bonded to a ring structure. The modified α-chain has a 2-decarboxy-2-phosphinico group. The derivatives can be used to treat a variety ... | 10/03/2006 |
| 7115761 | Process for the production of monohalide or dihalide metallocene compounds A process for preparing dihalide or monohalide metallocene compounds comprising contacting a compound of formula (II) (Cp)(ZR1m)n(A)rML′y (II) wherein Cp is a cyclopentadienyl radical; (ZR1m | 10/03/2006 |
| 7101654 | Norbornene-type monomers and polymers containing pendent lactone or sultone groups The disclosed invention relates to novel norbornene-type monomers containing pendent lactone or sultone groups. The invention also relates to norbornene-type polymers and copolymers comprising one or more repeating units represented by the formula: | 09/05/2006 |
| 7094725 | Biphenyldiphosphine compounds The present invention provides compounds of the formula wherein R is optionally substituted lower alkyl, cycloalkyl or aryl; R′ is alkyl or aryl; ... | 08/22/2006 |
| 7087773 | Group 4 metal complexes containing 4-aryl-substituted, tricyclic indenyl derivatives Group 4 metal constrained geometry complexes comprising tricyclic 4-arylsubstituted indenyl ligands, especially 1,5,6,7-tetrahydro-4-aryl-s-indacen-1-yl ligands, catalytic derivatives thereof, processes for preparing the same and their use as components of olefin po... | 08/08/2006 |
| 7067685 | Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles The invention relates to phosphinites I of formulae (1) or (2), in which R1, R2, R5, R6, R7, R8, R9 independently represent hydrogen, an alkyl or alkylene group having 1 to 8 carbon atoms or an alkoxy group having 1 to 8 carbon atoms; R3 is H or methyl; R4 is i-prop... | 06/27/2006 |
| 7022866 | Phosphonites Phosphonites I of the formula 1 or 2 where R1, R2 are each, independently of one another, hydrogen, an alkyl or alkylene group having from 1 to 8 carbon atoms or an alkoxy group having from 1 to 8 carbon at... | 04/04/2006 |
| 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 |
| 6987196 | Process for the production of monohalide or dihalide metallocene compounds A process for preparing dihalide or monohalide metallocene compounds comprising contacting a compound of formula (II) (Cp)(ZR1m)n(A)rML′y (II) wherein Cp is a cyclopentadienyl radical; (ZR1m | 01/17/2006 |
| 6894175 | 2-Decarboxy-2-phosphinico prostaglandin derivatives and methods for their preparation and use 2-Decarboxy-2-phosphinico prostaglandin derivatives are disclosed. These derivatives comprise a modified α-chain and an Ω-chain bonded to a ring structure. The modified α-chain has a 2-decarboxy-2-phosphinico group. The derivatives can be used to treat a variety ... | 05/17/2005 |
| 6855657 | Ortho substituted chiral phosphines and phosphinites and their use in asymmetric catalytic reactions 3,3′-Substituted chiral biaryl phosphine and phosphinite ligands and metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The metal complexes are useful as catalysts in asymmetric reactions, such as, hydrogenation, hydride tra... | 02/15/2005 |
| 6825369 | Metal complex compounds A monocyclopentadienyl or substituted monocyclopentadienyl metal complex containing compound useful as a polymerization catalyst corresponding to the formula: CpMXn+A− wherein: | 11/30/2004 |
| 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 |
| 6780807 | Acyclic anionic six-electron-donor ancillary ligands The present invention provides an improved acyclic anionic six-electron-donor ancillary ligand suitable for being bonded in a transition metal complex. The present invention also provides a transition metal complex that includes at least one acyclic anionic six-elec... | 08/24/2004 |
| 6767927 | Synthesis of stable solutions of rare earth tris (organophosphate) in hydrocarbon solvents Stable rare earth tris (organophosphate) solutions comprise a rare earth tris (organophosphate) and a hydrocarbon solvent. From about 2% to about 10% rare earth element, preferably from about 3% to about 8%, is present in the solutions. The rare earth tris (organoph... | 07/27/2004 |
| 6613922 | Phosphorus p-cyclophane ligands and their use in transition metal catalyzed asymmetric reactions Chiral di-phosphonites and phosphhours diamides based on the ps-ortho disubstituted p-cyclophane skeleton are good ligands for transition metals, notably rhodium, iridium and ruthenium. Preferably, the transition metals are linked to the ligands by a dien... | 09/02/2003 |
| 6583304 | Metallocene compounds, metallocene catalysts including the compounds and methods of polymerizing olefins with the catalysts There are disclosed new metallocene compounds and catalysts for olefin polymerization. The metallocene compound is a complex of transition metal and cyclopentadienyl-type ligands substituted with silacycloalkyl group. The metallocene catalyst comprises th... | 06/24/2003 |
| 6538115 | Phosphorus supported carbene transition metal complexes The present invention relates to novel complexes of (transition) metals containing ligands having phosphorus centers supporting a carbene atom or heteroalkane radical bonded to the (transition) metal.... | 03/25/2003 |
| 6531618 | Process for preparing water-soluble catalysts The invention relates to a process for preparing water-soluble organotin catalysts by contacting organotin compounds with polyelectrolytes and, optionally, subsequently removing the water.... | 03/11/2003 |
| 6521769 | Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions Chiral ligands and transition metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The chiral ligands include chiral C1-C6 TunaPhos ligands. The ruthenium TunaPhos complex reduces ketones to the corresponding alcohols... | 02/18/2003 |
| 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 |
| 6486359 | Catalyst comprising a complex of a metal of subgroup viii based on a phosphinite ligand, and a method for hydroformylation The invention relates to a catalyst which comprises at least one complex of a metal of group VIII, which comprises at least one uni-, bi- or multidentate phosphinite ligand in which the phosphorus atom and the oxygen atom of the phosphinite group are part... | 11/26/2002 |
| 6476245 | Phosphinimine methanide transition metal catalysts The present invention relates to novel complexes of (transition) metals containing ligands having phosphinimine centers bonded to the (transition) metal.... | 11/05/2002 |
| 6476246 | Bidentate phosphorus ligands and their use in catalysis Chiral, unsymmetrical bidentate organophosphorus ligands of the formula (I) are reacted with transition metal centers to form complexes with catalytic activity. The compounds contain chiral bicycloaliphatic skeletons. Synthesis of the bidentate ligands pr... | 11/05/2002 |
