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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...
7247595 Supported metallocene catalyst and olefin polymerization using the same  
A metallocene compound represented by the following Chemical Formula 1: wherein M is a transition metal of Group 4;Cp denotes a cyclopentadienyl ring unsubstituted or substituted by hydrogen,...
7132491 Chain transfer reagent, free radical polymerization employing the same and resulting polymers  
Organometallic reversible addition-fragmentation chain transfer reagents (RAFT reagents), processes of free radical polymerization employing the same and polymers with low polydispersity index...
6750373 One-step production of 1, 3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst  
Disclosed is a new catalyst composition comprising a bimetallic Co—Fe catalyst, optionally complexed with a ligand selected from a N-heterocycle, phosphine, or porphorine ligand, that provides a l...
6727378 Process for the production of a phosphorus-containing organic compound  
A process for the production of an organic phosphorus-containing product, which comprises reacting a phosphorus-containing oxide with an unsaturated hydrocarbon in the presence of a...
6576475 Assay system and novel labelled compounds for use therewith  
A Bis (cyclopentadienyl) metal complex of a derivative thereof is used as a label in an assay utilizing electrichemiluminescence or fluorescence detection means. The Bis (cyclopentadienyl) metal...
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.
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...
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...
6166234 Tripodal cyclopentadiene derivatives and their use  
Novel tripodal cyclopentadiene derivatives have the formula (I) ##STR1## where E are identical or different and are --N(R)(R), --P(R)(R), --As(R)(R), --Sb(R)(R), --OR, --SR, --SeR, --TeR, where R...
5990253 Indenyl compounds and catalyst components for the polymerization of olefins  
The invention relates to an indenyl compound of the general formula R'Ind--M--(Cp)Qkin which the symbols have the following meanings: Ind: an indenyl group R': a substituent, other than hydrogen,...
5959132 Mononuclear and polynuclear transition metal complexes with pentalene ligands bound to single metal atoms  
The invention relates to a complex compound having at least one transition metal atom, characterized in that said complex compound contains at least one pentalene or substituted pentalene ligand...
5936051 Substituted metallocene catalyst for the (co)polymerization of olefins  
Metallocene complexes of a metal M selected from titanium, zirconium and hafnium, comprising at least one anionic group A containing an η5 -cyclopentadienyl ring co-ordinated with the metal M, ...
5776424 Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalen inorganic anions  
There is provided a method for making a monovalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a...
5739294 Bicyclopol yazamacrocyclophosphonic acid complexes for use as contrast agents  
Bicyclopolyazamacrocyclophosphonic acid compounds are disclosed which may form inert complexes with Gd, Mn or Fe ions. The overall charge of the complex can be varied to alter the in vivo...
5578286 Two powder synthesis of hydrotalcite-like compounds with divalent or polyvalent organic anions  
There is provided a method for making a divalent or polyvalent organic anion-intercalated hydrotalcite-like materials by first reacting a magnesium-containing powder and a transition alumina powder...
5468890 Iodonium salts and process for the preparation thereof  
The invention concerns iodonium salts of the general formula A-I+ --B X-, in which A is a group of the general formula ##STR1## in which C is a monovalent aromatic hydrocarbon group with 6 to 14...
5110963 Method for making Mo4 S4 L6 (C-2386)  
The present invention is predicated on the discovery that Mo(III) containing compounds will react with salts of a 1,1-dithioacid to form Mo4 S4 L6. Accordingly, there is provided a method for...
5089536 Energy polmerizable compositions containing organometallic initiators  
An energy polymerizable composition and process therefore, comprising a cationically polymerizable material and a catalytically effective amount of an ionic salt of an organometallic complex cation...
5068426 Purification of N,N-Dialkylcarbamoylmethylphosphine oxide  
Crude organic solutions of N,N-dialkylcarbamoylmethylphosphine oxide compounds can be purified by treatment with a first row transition metal salt to form a complex which can be treated to...
5068369 Process for preparing chiral sulphoxides  
A process for preparing single enantiomers of chiral sulphoxides is provided. The process involves (a) reacting an achiral sulphur-containing compound, e.g. a disulphide, with a single enantiomer...
4929767 Treatment of rhodium catalysts  
A process for treating an organic solution of a partially deactivated solubilized rhodium-tertiary organophosphine complex hydroformylation catalyst with an organic reagent in order to improve the...
4900852 Heavy metal salts of dithiophosphonate compounds  
Certain novel heavy metal salts of dithiophosphonate derivatives, particularly monoesters, may be prepared inexpensively from hindered phenol compounds and are useful as anti-oxidants for example...
4824977 Chelating ligands and catalysts and processes employing the same  
A hydroformylation process including contacting hydroformylation stock in a reaction zone at a temperature of from about 20° C. to about 250° C. and a pressure of from about 15 psig to about 800 p...
4788308 Rhodium oxymetallate catalysts  
Complex rhodium compounds containing rhodium in combination with the ligands carbon monoxide and a plurality of triarylphosphines and have the formulae: [(aryl3 P)2 Rh(CO)(alkylCN)]8-n X+n M12...
4730064 Heterometallic thiocubanes (C-2044)  
This invention relates to heterometallic thiocubane compositions containing the M21 M22 S4 cluster core and methods of making them wherein M1 is Re, V, Mo or W and M2 is Co, Cr, Cu, Ni or Fe but...
4683315 Reductive coupling of linear carbon-containing ligands via transition metal complexes  
The present invention is directed to high-coordination transition metal complexes, i.e., those of coordination number seven and above, and the use thereof in the room temperature/atmospheric...
4528313 Polydimethylsiloxanes having improved thermal stability  
Silicone compositions having improved thermal oxidative stability are disclosed. The compositions contain iron acetylacetonate, nickel acetylacetonate, cerium acetylacetonate,...
4506030 Catalysts for hydrogenation of aromatic compounds  
A novel transition metal catalyst which has a phosphido-type linkage is much less subject to metal loss during operations because of its greater bond strength. This catalyst will hydrogenate...
4434302 Process and catalyst for performing hydroformylation reactions  
A catalyst and process for making same which is used for hydroformylation reactions by the conversion of an olifically unsaturated compound. The catalyst is prepared by the phosphochlorination of...
4400564 Separation of monoolefins from diolefins  
A process and apparatus for separating monoolefins from diolefins comprising contacting a mixture of monoolefins and diolefins with a complexing agent selected from the group consisting of...
4391756 Organo-monovalent aurus complex catalysts for the manufacture of olefin oxides  
The present invention relates to the oxidation of monoolefins with molecular oxygen to the corresponding olefin oxides, in the liquid phase in the presence of a catalyst comprising an...
4361497 Polymer-bound cyclopentadiene metal carbonyl compounds and their ligand substitution derivatives  
Polymeric catalysts containing groups of the general formula: [--(C5 R4)Me(CO)x Ly ]z, wherein (C5 R4) is a sustituted or unsubstituted cyclopentadiene group; Me is a transition metal; and L is...
4321211 Carbonylation catalysts  
A carbonylation process for the preparation of carboxylic acid esters is described wherein carbon monoxide is contacted with at least one alcohol in the presence of a catalyst system having the...
4124647 Process for the preparation of ethers  
A process for the preparation of ethers is described wherein at least one alcohol is contacted in the presence of carbon monoxide with a catalyst system having the general formula: Bx Me[Me'(CO)a...
4089881 Complexes of metallated coordination ligands  
The present invention relates to organometallic complexes which contain at least two metal atoms, or a metal atom and a proton, and at least one ligand representing a metallated unsaturated...
3681481 CATALYTIC ADDITION OF COMPOUNDS HAVING A P-H BOND TO ACETYLENE  
Compounds containing a P-H bond add to acetylene in the presence of metal coordinating catalysts selected from groups VIA and VIII of the periodic table, to produce saturated organophosphorus...
3673270 HYDROGENATION OF 1,3,7-OCTATRIENE TO 1,6-OCTADIENE AND 1,5-OCTADIENE WITH CERTAIN CHROMIUM CARBONYL CATALYSTS  
1,3,7-Octatriene, which can be made by the dimerization of butadiene, can be selectively hydrogenated to 1,5-octadiene and 1,6-octadiene in the presence of a chromium carbonyl catalyst such as...
3673285 PREPARATION OF VINYL ORGANO-PHOSPHOROUS COMPOUNDS  
Compounds containing a P--H bond add to hydrocarbon acetylenic unsaturation in the presence of metal coordinating catalysts selected from Groups VIA and VIII of the Periodic Table, to produce...
3523962 PROCESS FOR PREPARING ORGANIC ISOCYANATES  
3519668 PROCESS OF REACTING AROMATIC GROUP VI-B METAL TRICARBONYLS WITH A LIGAND  
3507927 POLYMERIZATION PROCESSES EMPLOYING CHROMIUM SUB-HALIDE CATALYSTS  
3503718 PHOSPHORUS TRIOXIDE-GROUP III COMPOUNDS  
3499921 PROCESS FOR PREPARING DIPHENYLACETONITRILE  
3489780 SECONDARY PHOSPHINE DERIVATIVES OF TRANSITION METAL CARBONYLS  
3558518 COMPLEXES OF MO AND W,CONTAINING NO WITH ORGANOALUMINUMS AS OLEFIN REACTION CATALYSTS  
3661843 TRANSITION METAL COMPLEXES WITH TRIVALENT PHOSPHORUS COMPOUNDS USEFUL AS STABILIZERS FOR POLYMERS  
3567731 METAL NITROSYL HALIDE COMPLEXES  
3745173 PRODUCTION OF CARBOXYLIC ACIDS,ESTERS,ACID CHLORIDES,ANHYDRIDES,AND KETONES BY REACTION OF AN ORGANOMETALLIC COMPOUND WITH CARBON MONOXIDE  
3778385 COMPOUNDS OF MO OR W WITH ORGANOMETALS AS OLEFIN REACTION CATALYSTS  
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