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| Number | Title | Issue Date |
| 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″... | 07/03/2007 |
| 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 |
| 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 |
| 7101942 | Dental materials based on metal oxide clusters Dental material containing a cluster according to the general formula [(M1)a(M2)bOc(OH)d(OR)e(L-Sp-Z)f] (I) in which M1, M2, independently of each other, st... | 09/05/2006 |
| 7005489 | Zwitterionic Metallocycles A new class of zwitterionic metallocycles is disclosed. A positively charged Group 4-10 transition metal is chelated to two heteroatoms and one of the heteroatoms has a substituent bearing a negative charge. We have found that substitution in this position stabilize... | 02/28/2006 |
| 6992202 | Single-source precursors for ternary chalcopyrite materials, and methods of making and using the same A single source precursor for depositing ternary I-III-VI2 chalcopyrite materials useful as semiconductors. The single source precursor has the I-III-VI2 stoichiometry “built into” a single precursor molecular structure which degrades on he... | 01/31/2006 |
| 6909009 | Alkane and alkane group dehydrogenation with organometallic catalysts Novel polynuclear organometallic complexes useful as catalysts for the reversible deshydrogenation of alkanes and alkane group are disclosed. The novel compounds comprise a first transition, a second transition metal p-bonded to an ?5-aromatic ligand, and a pincer l... | 06/21/2005 |
| 6835792 | Solventless nontoxic high refractive index and low birefringence organic/inorganic hybrid materials Enclosed are high refractive index and low birefringence organic/inorganic hybrid materials useful for optical applications. They are prepared from solventless metal aliphatic acryl alkoxides. The metal acryl alkoxides are synthesized from exchanging acryl alcohol w... | 12/28/2004 |
| 6686458 | Synthetic molecules that specifically react with target sequences The present invention features biarsenical molecules. Target sequences that specifically react with the biarsenical molecules are also included. The present invention also features kits that include biarsenical molecules and target sequences. Tetraarsenic... | 02/03/2004 |
| 6635779 | Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins A class of metallocene compounds is disclosed having general formula (I) wherein Y is a moiety of formula (II) wherein A, B, and D, same or different from each other, are selected from an element of the groups 14 to 16 of the Periodic Table of the Element... | 10/21/2003 |
| 6559326 | Substituted phosphinophenoxide-metal complexes for the polymerization of olefins Metal complexes obtainable from a metal precursor of a metal of the 6th -10th groups of the Periodic Table in the oxidation state 0 or +2 and a ligand of the formula I, ##STR1## where the radicals are defined as follows: R1 | 05/06/2003 |
| 6500975 | Cationic ruthenium complexes, their production and their use Cationic ruthenium complexes of the formula A or B or mixtures containing them, ##STR1## where B may be stabilized by a further ligand L4 and X is an anion which does not coordinate or coordinates weakly to the metal center, Y is a monodentate ... | 12/31/2002 |
| 6492540 | Solventless nontoxic high refraction index and low birefringence organic/inorganic hybrid materials Enclosed are high refractive index and low birefringence organic/inorganic hybrid materials useful for optical applications. They are prepared from solventless metal aliphatic acryl alkoxides. The metal acryl alkoxides are synthesized from exchanging acry... | 12/10/2002 |
| 6469189 | Liquid double alkoxide of niobium or tantalum and alkaline earth metal, production method thereof, and production method of complex metal oxide dielectric using it A novel compound shown by M[N(OC2 H5)5 (OC2 H4 OCH3)]2, wherein M represents Sr or Ba, N represents Nb or Ta, which is a liquid at room temperature, is hard to be thermally disso... | 10/22/2002 |
| 6444833 | Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins A class of metallocene compounds is disclosed having the general formula (I): ##STR1## wherein Y is a moiety of formula (II) ##STR2## wherein A, B and D, same or different from each other, are selected from an element of the groups 14 to 16 of the Pe... | 09/03/2002 |
| 6316651 | Environmentally benign Group II and Group IV or V spin-on precursor materials The present invention is directed to the synthesis, processing and test of improved spin-on precursor materials comprising at least one Group II metal and at least one Group IV or Group V metal, useful for making thin oxide films, useful, for example, in ... | 11/13/2001 |
| 6303804 | Environmentally benign bismuth-containing spin-on precursor materials Metal acid salt complexes are provided comprising (1) a first metal ion consisting essentially of bismuth, and optionally, at least one second metal ion selected from the group consisting of barium, calcium, strontium, lead, titanium, tantalum, and niobiu... | 10/16/2001 |
| 6303101 | Bismuth compounds The use in diagnostic imaging, in particular X-ray, MRI, ultrasound and scintigraphy, of contrast agents comprising bismuth clusters and/or organic bismuth compounds, and contrast media containing such bismuth compounds. The bismuth compounds are also use... | 10/16/2001 |
| 6255507 | Process for preparing cyclopentadienyliron (II) arene complex Described are methods of preparing organometallic complexes, including cyclopentadienyliron (II) arene complexes.... | 07/03/2001 |
| 6124487 | Olefin polymerization catalyst having a bridged phosphole-heteroatom ligand A new family of metallacycles, which are preferably zirconacycles, is characterized by having a unique halogenated substituent. The metallacycles are useful for the preparation of main group heterocycles, especially two novel families of heterocycles. The... | 09/26/2000 |
| 6117412 | Non-cluster type bismuth compounds A method of generating an image of a human or non-human animal body which comprises administering to said body a physiologically tolerable contrast enhancing amount of a non-cluster type bismuth compound, and methods of treating gastrointestinal disorders... | 09/12/2000 |
| 6084033 | Bimetallic complex catalyst systems, their preparations and application in the hydrogenation of unsaturated copolymers The present invention relates to a new bimetallic complex catalyst system having the empirical formula of M1a M2b Xm (L1)n, wherein M1 is Rh or Ru, M2 is Ru or a... | 07/04/2000 |
| 6034259 | -olefins and olefin polymers and processes therefor Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal comp... | 03/07/2000 |
| 5883277 | Metallocene complexes with cationic bridges Metallocene complexes having a cationic bridge of the formula ##STR1## where the substituents have the following meanings: M is a metal of transition group III, IV, V or VI of the Periodic Table of the Elements or a metal of the lanthanide group, X i... | 03/16/1999 |
| 5840949 | Recovery of metallocene complexes Metallocene complexes of the formula I ##STR1## where M is titanium, zirconium, hafnium, vanadium, niobium or tantalum, R1 and R4 are as defined in the specification Y is nitrogen, phosphorus, arsenic, antimony or bismuth, Z is oxygen, su... | 11/24/1998 |
| 5670679 | Process for the manufacturing of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein A process is disclosed for the manufacture of product compounds of the formula HC(R1)2 C(R1)2 C(R2)2 C(R2)2 H wherein each R1 is independently selected from the ... | 09/23/1997 |
| 5648508 | Crystalline metal-organic microporous materials Novel metal-organic microporous materials are prepared in solution using mild reaction conditions from a metal or metalloid ion with a ligand containing multidentate functional groups in the presence of a templating agent. The resultant microporous materi... | 07/15/1997 |
| 5637745 | Organometallic compounds and polymers made therefrom Compounds of formula (I) are disclosed: ##STR1## wherein L1 is a main group atom, L2 is a neutral ligand, M is a transition element or a metal element of Group 13, 14, 15, or 16 of the Periodic Table, x is the number of coordina... | 06/10/1997 |
| 5637577 | Phospholipid derivatives containing higher elements of the fifth group Phospholipid derivatives containing higher elements of the Vth main group (P, As, Sb, Bi), their method of preparation and antineoplastic and antimicrobially active medications that can be prepared from the phospholipid derivatives.... | 06/10/1997 |
| 5585509 | Metallocene complexes having heterofunctional groups in the cyclopentadienyl system Metallocene complexes of the general formula I ##STR1## where the substituents Y, M, x, R1, R2, R3, R4, R6, R7, R8, and R9 are as described in the disclosure, and... | 12/17/1996 |
| 5554777 | Catalyst for the preparation of linear carbon monoxide/alpha-olefin copolymers Novel catalyst compositions comprising a cationic transition metal complex containing palladium, a mono-, di-, or tridendate ligand, and an anion are disclosed. The novel catalyst compositions can be used in a process for polymerizing carbon monoxide and ... | 09/10/1996 |
| 5449798 | Phospholipid derivatives containing higher elements of the fifth group Phospholipid derivatives containing higher elements of the Vth main group (P, As, Sb, Bi), their method of preparation and antineoplastic and antimicrobially active medications that can be prepared from the phospholipid derivatives.... | 09/12/1995 |
| 5435937 | Fluorescent compounds Novel compounds obtainable by reacting together an imido-reagent such as diphenylphosphonimidotriphenylphosphorane) with a chelate of a transition or lanthanide or actinide metal, such as tris(dibenzoylmethide) europium III, has the property of fluorescin... | 07/25/1995 |
| 5401384 | Antimony and tin containing compound, use of such a compound as a passivating agent, and process for preparing such a compound An antimony and tin containing compound for passivating contaminant metals to which a catalyst is exposed during fluid catalytic cracking of hydrocarbons containing said contaminant metals, said compound having a composition as follows (R*)x Sb... | 03/28/1995 |
| 5389700 | Initiator for photopolymerization A novel initiator for photopolymerization is provided, which can polymerize cationically polymerizable organic material by only irradiating at wavelength of 200-500 nm without specific sensitizer and/or post-curing even when it is used at comparatively sm... | 02/14/1995 |
| 5364951 | Tungsten- or molybdenum-based, supported compositions, process for obtaining them and their properties as heterogeneous oxidation catalysts Tungsten-(VI) or molybdenum-(VI)-based compounds which contain cationic groups from onium salts anchored on solid inorganic matrices having the general formula (I): (P) - - - [(CH2)n Q+ RR'R"]2 [M2 O1... | 11/15/1994 |
| 5319119 | Oleophilic molybdenum compound for use in hydroconversion of a hydrocarbon and a method for producing the same An oleophilic molybdenum compound comprising an aliphatic amine group and a heteropolyanion group containing at least one molybdenum atom as a polyatom is disclosed. The oleophilic molybdenum compound is a catalyst precursor capable of being changed, in t... | 06/07/1994 |
| 5276172 | Metal organic compounds Metal organic compounds comprising three atoms of cobalt, nickel or bismuth each linked through oxygen atoms to boron or phosphorus and comprising a combination of aliphatic and aromatic carboxylic acid residues are useful as adhesion promoters to promote... | 01/04/1994 |
| 5234716 | Organometallic adduct compounds The invention relates to the use of stabilised organometallic adduct compounds for the production of thin films and epitaxic layers by gas phase deposition.... | 08/10/1993 |
| 5175326 | Nickel containing organo-metallic compound as catalyst Preparation of ethylene copolymers from ethylene and polar and/or non-polar comonomers in the presence of selected nickel-containing catalysts.... | 12/29/1992 |