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| Number | Title | Issue Date |
| 7935841 | Bisphospholanes for use as catalysts in asymmetric reactions The invention concerns an enantiomerically enriched compound of formula (1) or the opposite enantiomer thereof wherein each of Ar1—Ar4 represent the same or different aromatic groups of up to 20 carb... | 05/03/2011 |
| 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 |
| 7351776 | Bulk polymerization process A method for the continuous production of polydienes, the method comprising the steps of (a) charging a mixture of one or more monomer, catalyst system, and less than 50% weight percent organic solvent based on the total weight of the monomer, catalyst and solvent, ... | 04/01/2008 |
| 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 |
| 7223879 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. ... | 05/29/2007 |
| 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 |
| 7193098 | Process for producing semiconductor nanocrystal cores, core-shell, core-buffer-shell, and multiple layer systems in a non-coordinating solvent utilizing in situ surfactant generation A process for producing semiconductor nanocrystal cores, core-shell, core-buffer-shell, and multiple layer systems is disclosed. The process involves a non-coordinating solvent and in situ surfactant generation. ... | 03/20/2007 |
| 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 |
| 7115762 | Polystyrene-supported palladacycle catalysts This invention relates to a recyclable palladacycle catalyst of formula in which each is a single bond or a double bond, provided that if one is a double bond, its neighboring ... | 10/03/2006 |
| 7105690 | Method for producing transition metal compounds and their use for the polymerization of olefins The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to their use for the polymerization of olefins. ... | 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 |
| 7087323 | Photoactive lanthanide complexes with phosphine oxides, phosphine oxide-sulfides, pyridine N-oxides, and phosphine oxide-pyridine N-oxides, and devices made with such complexes The present invention is generally directed to luminescent lanthanide compounds with phosphine oxide, phosphine oxide-sulfide, pyridine N-oxide, and phosphine oxide-pyridine N-oxide ligands. It also relates to electronic devices in which the active layer includes a ... | 08/08/2006 |
| 7074947 | Process for producing epoxide compound A process for producing an epoxide compound, characterized by reacting an olefin compound with hydrogen peroxide in the presence of: a metal oxide catalyst obtained by reacting hydrogen peroxide with at least one member selected from the group consisting of tungsten... | 07/11/2006 |
| 7030200 | Catalysts for olefin polymerization Late transition metal complexes of certain ligands which contain phosphinidine and/or imine groups are useful as components of polymerization catalysts for olefins. Useful metals in the complexes include Ni, Pd, Fe and Co. Oligomers and/or polymers of olefins such a... | 04/18/2006 |
| 7026498 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming react... | 04/11/2006 |
| 7008607 | 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... | 03/07/2006 |
| 6992201 | Process for preparing phosphites and transition metal complexes The present invention relates to a process for preparing phosphites and their transition metal complexes and also to their use in catalytic processes. ... | 01/31/2006 |
| 6960693 | Oxidation reaction process catalyzed by phase-transfer catalyst controlling reaction The present invention relates to an oxidation reaction catalyzed by a reaction controlled phase-transfer catalyst having the general formula of [R1R2R3R4N]xHy[A] or QmMO3(L). The... | 11/01/2005 |
| 6946560 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming react... | 09/20/2005 |
| 6927262 | Bridged biphospholes and metallocenes prepared therefrom The invention relates to novel bridged biphosphole ligands according to the general formula: where R2, R3, R4 are chosen from hydrogen, alkyl, aryl or silyl, R1 is chosen fro... | 08/09/2005 |
| 6919467 | Imino-amide catalyst compositions for the polymerization of olefins The present invention provides a catalyst precursor and catalyst system comprising the precursor, an embodiment of the precursor is selected from the following structures: wherein T is a bridgi... | 07/19/2005 |
| 6872844 | Metal complexes containing acetylenic ligands, polymerization catalysts and addition polymerization process A complex of a Group 3-10 metal, said complex comprising a cyclic group containing delocalized electrons, a bridging group connecting he metal with the cyclic group, and acetylene or a derivative thereof. ... | 03/29/2005 |
| 6835855 | Metal complex carrying a 2-phospa-tricyclo[3.3.1.1(3.7)]decyl radical as a ligand in hydroformylation In a process for the hydroformylation of ethylenically unsaturated compounds, at least one ethylenically unsaturated compound is reacted with carbon monoxide and hydrogen in the presence of a ligand-metal complex of ruthenium, rhodium, palladium, iridium and/or plat... | 12/28/2004 |
| 6821783 | Transition metal complexes as linkers The invention relates to new traceless linkers which use transition metal complexes to link a π-orbital containing substrate for subsequent synthesis by, for example, combinatorial chemistry or multiple parallel synthesis (MPS) to a support. ... | 11/23/2004 |
| 6803474 | Mn4O4-cubane type catalysts Highly reactive, stable tetramanganese-oxo cubane complexes, their synthesis and their use as a functional catalyst for in vitro O2 production. Preferred complexes are i) a tetramanganese-oxo cubane complex having the formula L6Mn4O | 10/12/2004 |
| 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 |
| 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 |
| 6774254 | Gold complexes Novel phosphino-gold (I) compounds, a process for their preparation, pharmaceutical compositions containing such phosphino-gold (I) compounds and their use in the treatment of cancer disease are disclosed. ... | 08/10/2004 |
| 6774253 | Process for the preparation of titanium complexes A new process is disclosed, particularly simple, convenient and practical, for the direct synthesis of titanium complexes of the formula (I): (D)(ZR1m)n(A)TiLpXq, wherein (ZR1m)n | 08/10/2004 |
| 6770771 | Polymerization of olefins Various olefins may be polymerized using a catalyst systems containing selected α-diimine, urethane or urea ligands, some of them novel, complexed to nickel, palladium or other selected transition metals. The polymers are useful as molding resins and elastomers. | 08/03/2004 |
| 6743932 | Polymerization catalyst An organometallic compound of the formula I where M1 is selected from among Fe, Ru and Os and M2 is selected from among the transition metals of groups IV to VI of the Periodic Table, which can be p... | 06/01/2004 |
| 6723676 | 1,3-disubstituted indene complexes The present invention relates to organometallic compounds of transition metals with an indenyl ligand bonded in the 2-position and substituted in the 1,3-position, a process for their production, and their use as catalysts for the (co)polymerization of olefinic and/... | 04/20/2004 |
| 6716787 | Polymerisation catalyst 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. ... | 04/06/2004 |
| 6686488 | Constrained geometry addition polymerization catalysts Metal complexes having constrained geometry and a process for preparation thereof, addition polymerization catalysts formed therefrom, processes for preparation of such addition polymerization catalysts, methods of use, and novel polymers formed thereby, ... | 02/03/2004 |
| 6660892 | Synthesis of aliphatic 1,3-diols utilizing reduced ligand concentration and water extraction This invention is a process for synthesizing aliphatic 1,3-diols in one step by hydroformylation and hydrogenation of oxirane, carbon monoxide, and hydrogen employing a catalyst comprising a cobalt carbonyl compound and a cocatalyst metal compound ligated... | 12/09/2003 |
| 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 |
| 6613713 | Organometallic compounds with fused indenyl ligands The present invention relates to transition metal organometallic compounds with an indenyl ligand attached in position 2 and fused in position 5,6, to a process for the production thereof and to the use thereof as catalysts for the (co)polymerization of o... | 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 |
| 6583305 | Ferrocene-based diphosphonites for asymmetrical catalysis The present invention relates to novel chiral 1,1'-ferrocenylene diphosphonites and the synthesis thereof, in addition to complexes of said compounds with metals from groups VIIb, VIIIb and Ib of the Periodic Table and to the use thereof for enantioselect... | 06/24/2003 |
| 6579999 | Phosphole and diphosphole ligands for catalysis Novel reactions used to prepare phosphole and bisphosphole compounds are detailed. Novel phosphole compounds and metal coordination compounds of phosphole and bisphosphole compounds are also provided. These metal coordination compounds are useful as catal... | 06/17/2003 |
