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Matches 301 - 350 out of 2,002

Document Document Title
WO2001092342A3
Transition metal complexes of selected monoanionic phosphine ligands, which also contain a selected Group 15 or 16 (IUPAC) element and which are coordinated to a Group 3 to 11 (IUPAC) transition metal or a lanthanide metal, are po-lymeri...  
WO2001092354A3
In the copolymerization of ethylene and acrylate esters, the use of selected acrylate esters suppresses the formation of acrylate ester homopolymer, and/or allows the rapid analysis by <1>H-NMR of the amount of homopolymer by product pre...  
WO2001092347A3
Polymers are produced using transition metal complexes that have sites capable of binding a Lewis acid in close proximity to the metal center.  
WO/2002/096920A1
A process for separating inorganic and organometallic by-products from a mixture comprising at least one organometallic transition metal compound as product and at least one organometallic by-product and at least one inorganic by-product...  
WO/2002/092610A1
Titanium complexes comprising a 3-aryl-substituted cyclopentadienyl ring or substituted derivative thereof, polymerization catalysts, and olefin polymerization processes using the same are disclosed.  
WO/2002/079127A1
A catalytic method is provided for a ring-opening cross-metathesis reaction between a cycloolefinic substrate and a second olefinic reactant, wherein the catalyst used is a transition metal alkylidene complex substituted with an N-hetero...  
WO/2002/076999A1
The invention relates to compounds in which a transition metal is complexed with two ligand systems and the two systems are reversibly interlinked by at least one bridge from a donor and an acceptor, and at least one substituent on the a...  
WO/2002/070526A1
The invention relates to a method for producing an organometallic building material, comprising reacting, in the presence of a base and a solvent, a fluid mixture that contains a metal salt having at least one bidentate organic compound ...  
WO/2002/066159A1
A tethered ligand comprising the reaction product of an organofunctional silica and a ligand containing a functional group capable of reaction with said organofunctional silica, wherein the organofunctional silica is prepared from an alk...  
WO/2002/057278A1
A compound of general formula 4 wherein each of W, X, Y and Z is any substituent where a heteroatom is bonded to phosphorus, optionally linked in pairs X/Y and Z/W to form a ring, or W=X=Y=Z=H, is new. Complexes thereof can be used in as...  
WO/2002/057272A2
A novel constrained geometry titanium (II) diene complex and ligands of such complexes are described. The novel complex has an olefin polymerization activity substantially in excess of a defined activity standard characteristic of analog...  
WO/2002/050088A1
A method to synthesize a Group 15 containing metal polymerization catalyst is disclosed. The method includes an efficient high temperature synthesis of Group 15 containing ligands, especially arylamine ligands, for use in preparing polym...  
WO/2002/049758A1
The present invention provides the use of certain complexes of a group 3 to 10 transition metal or a lanthanide (M) and a ligand of formula (I), wherein each group A, which may be the same or different, is an M-coordinating carbon or het...  
WO2002032908A3
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.  
WO/2002/048161A1
P-chiral bisphospholane ligands and methods for their preparation are described. Use of metal/P-chiral bisphospholane complexes to catalyze asymmetric transformation reactions to provide high enantiomeric excesses of formed compounds is ...  
WO/2002/046203A1
A substance for use in the treatment of cancer, includes a compound selected from metallocenyl $g(b)-diketones Mc-CO-CZ¿1?Z¿2?-CO-R. Mc is Fc (ferrocenyl), Rc (ruthenocenyl) or Oc (osmocenyl), R is H, alkyl or aryl and Z¿1? and Z¿2? ...  
WO/2002/040492A1
The invention concerns novel chiral diphosphines (R) or (S), and their use as optically active ligand for preparing diphosphino-metallic complexes. The invention also concerns the diphosphino-metallic complexes containing said chiral dip...  
WO2002000574A3
Phosphine oxide and sulfoxide compounds were used with transition metals, preferably palladium and nickel, to produce biaryls, arylthiols, arylphosphine oxides and arylamines via cross-coupling reactions with aryl halides and arylboronic...  
WO/2002/032908A2
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.  
WO/2002/018399A1
An organometallic compound represented by the general formula (1) or (2); a method for preparing the organometallic compound; a metathesis reaction catalyst comprising the organometallic compound; a method of polymerization using the met...  
WO1995029669A3
A compound and method of making a compound for use as a diagnostic or therapeutic pharmaceutical comprises either a phosphorous or germanium core and at least two hydrazine groups forming a ligand for bonding to a metal extending from th...  
WO/2002/002577A1
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 m...  
WO/2002/002578A1
Compounds of the formula (I) and (Ia) in the form of racemates, mixtures of diastereomers or in essentially enantiomerically pure form, (I), (Ia), where R is hydrogen, C¿1?-C¿8?alkyl, C¿5?-C¿12?cycloakyl, phenyl or phenyl substituted...  
WO/2002/002576A1
This invention relates to metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. The metallocene compositions may be represented by the formula wher...  
WO/2002/000574A2
Phosphine oxide and sulfoxide compounds were used with transition metals, preferably palladium and nickel, to produce biaryls, arylthiols, arylphosphine oxides and arylamines via cross-coupling reactions with aryl halides and arylboronic...  
WO/2002/000738A1
This description addresses ionic compositions of matter comprising positively charged cations [Ct]?+¿ and negatively charged anions [A]?-¿, said anion comprising a central core Group 13 element to which are bound fluoroaryl ligands, at...  
WO/2002/000666A1
This description addresses ionic compositions of matter comprising cations [Ct]?+¿ and anions [A]?-¿, in which the anion comprises a central core Group-13 element bound to fluoroaryl ligands. At least one of the fluoroaryl ligands is s...  
WO/2001/092354A2
In the copolymerization of ethylene and acrylate esters, the use of selected acrylate esters suppresses the formation of acrylate ester homopolymer, and/or allows the rapid analysis by ?1¿H-NMR of the amount of homopolymer by product pr...  
WO/2001/092342A2
Transition metal complexes of selected monoanionic phosphine ligands, which also contain a selected Group 15 or 16 (IUPAC) element and which are coordinated to a Group 3 to 11 (IUPAC) transition metal or a lanthanide metal, are po-lymeri...  
WO/2001/092347A2
Polymers are produced using transition metal complexes that have sites capable of binding a Lewis acid in close proximity to the metal center.  
WO2001034297A3
The invention relates to novel double metal cyanide (DMC) catalysts for producing polyether polyols by the polyaddition of alkenyl oxides to starter compounds which have active hydrogen atoms. The catalyst contains a) double metal cyanid...  
WO/2001/058588A1
Ferrocene anchored chiral ligands and metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The metal complexes according to the present invention are useful as catalysts in asymmetric reactions, such...  
WO/2001/056539A1
Stable aluminum-zirconium antiperspirant compositions in polyhydric alcohol solution with enhanced efficacy were made by direct reaction in aqueous solution of a soluble aluminum salt, a zirconium compound, a polyhydric alcohol, aluminum...  
WO/2001/053360A1
A process for producing substantially amorphous propylene (co)polymers, comprising contacting propylene optionally in the presence of one or more olefins under polymerization conditions with a catalyst system comprising: A) a half sandwi...  
WO/2001/048037A1
A solid self-supported cycloalkadienyl catalyst component is disclosed that includes: (i) a mixed metal alkoxide complex which is the reaction product of a magnesium alkoxide or aryloxide and at least one group IVB metal-containing alkox...  
WO/2001/044321A1
This invention relates to a polymerization process comprising combining an olefin in the gas or slurry phase with a spray dried catalyst comprising an activator, a particulate filler and a metal catalyst compound.  
WO/2001/042315A1
Group 4 metal complexes of the constrained geometry type, catalysts derived therefrom and polymerization processes using the same, characterized by a nitrogen containing aliphatic or cycloaliphatic moiety that is substituted with one or ...  
WO/2001/034297A2
The invention relates to novel double metal cyanide (DMC) catalysts for producing polyether polyols by the polyaddition of alkenyl oxides to starter compounds which have active hydrogen atoms. The catalyst contains a) double metal cyanid...  
WO/2001/032612A1
A process for producing a bismuth dithiocarbamate or dithiophosphorate by the reaction of a bismuth hydroxide, bismuth oxide or bismuth oxynitrate with a dithiocarbamate or a dithiophosphoric acid. The bismuth dithiocarbamates and dithio...  
WO2000071553A8
The present invention relates to novel aluminosiloxane compounds which have the characteristics to be prepared from waste silicone compounds and to be advantageously used as siloxylating agent for various organic and inorganic materials,...  
WO/2001/030860A1
The present invention provides catalyst compositions including a Group 15 containing hafnium catalyst compound, mixed catalyst compositions including the Group 15 containing hafnium catalyst compound and a bulky ligand metallocene cataly...  
WO/2001/025243A1
The present invention relates to compounds that have a novel use as a carbon monoxide source and optionally as a reducing agent in the preparation of transition metal carbonyl complexes. The compounds are in general compounds of formula ...  
WO/2001/019512A1
New group 4 organometallic complexes are characterized by having a phosphinimine ligand and two or more cyclopentadienyl ligands. Certain of these complexes exhibit unusual behavior when examined by nuclear magnetic resonance (NMR) techn...  
WO/2001/012637A1
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 ...  
WO/2001/000628A1
The invention concerns novel compounds having an element of group 12 and a tridentate ligand, their preparation method and their use in particular as polymerisation catalysts.  
WO/2000/075152A1
Dimeric Group 4 metal metallocene compounds wherein the metal is in the +3 formal oxidation state useful as components of catalysts for addition polymerizations.  
WO/2000/075151A1
A new process is disclosed, particularly simple, convenient and practical, for the direct synthesis of titanium complexes of the formula (I): (D)(ZR?1¿¿m?)¿n?(A)TiL¿p?X¿q?, wherein (ZR?1¿¿m?)¿n? is a divalent group bridging D and...  
WO/2000/071553A1
The present invention relates to novel aluminosiloxane compounds which have the characteristics to be prepared from waste silicone compounds and to be advantageously used as siloxylating agent for various organic and inorganic materials,...  
WO/2000/066648A1
The invention relates to crystallising polyether polyols which can be produced by first reacting propylene oxide and polyhydroxy compounds in the presence of an alkoxy compound containing zinc and/or aluminium atoms, in order to obtain a...  
WO/2000/066600A1
The invention relates to a method for producing 1,2-diimine compounds of general formula (I) in which the symbols have the following meanings: R?1¿ and R?2¿, independent of one another, represent alkyl radicals, aryl radicals or metall...  

Matches 301 - 350 out of 2,002