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Class 556/57 - Chromium, molybdenum, or tungsten containing (Cr, Mo, or


Subclass of Class 556 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain chromium, molybdenum or tungsten.
No. of patents: 251
Last issue date: 04/03/2012


1              
NumberTitleIssue Date
8148564Compounds for forming metal nitrides
Nitride forming precursors are heated to form a metal nitride on a substrate. In some variations, the precursors are contacted with the substrate which has previously been heated to a sufficient temperature to form a nitride film. Precursors to tungsten and molybden...
04/03/2012
7893289Adamantanamines and neramexane salts of thiomolybdic and thiotungstic acids
This invention concerns adamantanamines (e.g. memantine, amantadine, and rimantadine) and neramexane salts of thiomolybdic and thiotungstic acids, including their preparation and pharmaceutical compositions, as dual acting drugs. These salts are used to treat or pot...
02/22/2011
7754908Tungsten and molybdenum compounds and their use for chemical vapour deposition (CVD)
The present invention relates to specific novel tungsten and molybdenum compounds to the use thereof for the deposition of tungsten- or molybdenum-containing layers by means of chemical vapour deposition, and to the tungste...
07/13/2010
7378537Olefin 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
7332618Organometallic precursor compounds
This invention relates to organometallic precursor compounds represented by the formula (H)mM(R)n wherein M is a metal or metalloid, R is the same or different and is a substituted or unsubstituted, saturated or unsaturated, heterocyclic radica...
02/19/2008
7309680Molybdenum-sulfur additives
A process for making an additive comprising one or more oil-soluble or oil-dispersible molybdenum-sulfur compounds, said process comprising the steps of: (I) reacting in a polar medium a reactant molybdenum compound (A) and a sourc...
12/18/2007
7297805Chromium complexes and their use in olefin polymerization
A composition having the formula I where R1 and R2 are independently hydrogen, C1 to C12 linear and branched alkyl, C3 to C12 cycloalkyl, aryl, C1
11/20/2007
7294730Colorant compounds
Disclosed are colorant compounds of the formulae wherein R1, R2, R3, M, A, E, G, J, m, n, and p are as defined herein. ...
11/13/2007
7279537Transition metal complexes and polymerization catalysts
There are provided a transition metal complex of formula (1): wherein M represents an element of Group 6 of Periodic Table of Elements, A and A′ are the same or different, and represent a substituted or unsubst...
10/09/2007
7259123Catalytic trimerization and tetramerization of olefinic monomers
A catalyst precursor composition comprising a) a source of chromium, molybdenum or tungsten; b) a first ligand having the general formula (I); (R1)(R2)P—X—P(R3)(R4)  (I) wherein X is a bivalent ...
08/21/2007
7253213Anionic and Lewis base photopolymerization process and its use for making optical articles
The invention relates to a process for polymerising a monomer, polymerizing and/or crosslinking an oligomer, or crosslinking a polymer or copolymer, said monomer, oligomer, polymer and copolymer being selected among precursor monomers, urethane, thiourethane and epi...
08/07/2007
7250523Imido-tethered carbenes of molybdenum for ring-opening metathesis polymerization and ring-closing metathesis
Compounds and processes for catalytic ring-opening cyclooligomerization metathesis and ring-closing metathesis of olefins are described. The compound is a molybdenum or tungsten metal (M) complex which comprises an imido ligand (N—R) bound to the M to provide an M...
07/31/2007
7238821Method for large scale production of organometallic compounds
This invention relates to a one pot method for large scale production of an organometallic compound comprising (i) reacting a hydrocarbon or heteroatom-containing material with a base material in the presence of a solvent and under reaction conditions sufficient to ...
07/03/2007
7205423Process for the preparation of organo-molybdenum compounds
This invention is a process for preparation of 2,4-heteroatom-substituted molybdena-3,3-dioxocycloalkane compounds by reacting diol-, diamino, thiol-alcohol- and amino-alcohol-compounds with the following reagents: ammonium molybda...
04/17/2007
7189865Thiomolybdate analogues and uses thereof
The current invention provides novel thiomolybdate derivatives, methods of making novel thiomolybdate derivatives, pharmaceutical compositions of novel thiomolybdate derivatives, methods of using novel thiomolybdate derivatives to treat diseases associated with aber...
03/13/2007
7179765Process 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
7141633Olefin trimerization using a catalyst comprising a source of chromium, molybdenum or tungsten and a ligand containing at least one phosphorous, arsenic or antimony atom bound to at least one (hetero) hydrocarbyl group
A process for the trimerization of olefins is disclosed, comprising contacting a monomeric olefin or mixture of olefins under trimerization conditions with a catalyst which comprises (a) a source of chromium, molybdenum or tungsten (b) a ligand containing at least o...
11/28/2006
7132576Method for isomerizing allyl alcohols
The present invention relates to a process for isomerizing reactant allyl alcohols of the formula (I) to product allyl alcohols of the general formula (II) where R1 to R5 are each hydrogen or a mono- or polyunsat...
11/07/2006
7115688Nanoparticles with polymer shells
The invention provides a method of preparing nanoparticles having at least one polymer shell attached to them, each polymer shell having a selected property or properties. The method comprises attaching initiation monomers to the surfaces of the nanoparticles, conta...
10/03/2006
7105672Cyclometallated catalysts
A catalyst compound of formula I or II: (wherein R1–R11, M, E, T, X, Y, m and n are defined herein). The compound, when combined with a suitable activator, is active for the polymerization o...
09/12/2006
7094898Ruthenium compounds, their production and use
A new class of compounds is disclosed that in preferred embodiments relate to Ru-based catalysts suitable for use in olefin metathesis reactions. Such compounds demonstrate high rates of catalytic turnover in comparison with other Ru catalysts known in the art. More...
08/22/2006
7084306Process for preparing β-diketone compound and process for preparing metal complex thereof
Disclosed is a process for preparing 2,2,6,6-tetramethyl-3,5-heptanedione, comprising reacting a pivalic acid alkyl ester with pinacolone in the presence of an alkali metal alkoxide catalyst using a pivalic acid alkyl ester as a solvent but using no other solvent or...
08/01/2006
7078362Carbene donor-modified Ziegler-Natta catalysts
A modified Ziegler-Natta catalyst system comprising a titanium or vanadium compound, a magnesium compound, a carbene donor, and an aluminum compound is disclosed. The invention includes a process which comprises polymerizing an alpha-olefin in the presence of the ca...
07/18/2006
7045644Imidochromium compounds in catalyst systems for olefin polymerization
The present invention relates to catalyst system containing at least one imidochrome compound and at least one activation compound. This invention also relates to imidochrome compounds, to a method for olefin polymerization and to methods for producing said imidochr...
05/16/2006
7005521Catalytic compositions and methods for asymmetric allylic alkylation
Complexes of a selected class of chiral ligands with molybdenum, tungsten or chromium, preferably molybdenum, are effective as catalysts in highly enantioselective and regioselective alkylation of allylic substrates. Such compositions provide a versatile and low-cos...
02/28/2006
6998497Metal bis-triflimide compounds and methods for synthesis of metal bis-triflimide compounds
A metal bis-triflimide compound having the formula: [Mx]n+[(N(SO2CF3)2)(nx−yz)](nx−yz)−[Ly]z− where M is a metal selected from the metals in groups 5 to 10, 12...
02/14/2006
RE38947Method of enantioselectively catalyzing a reaction
A chiral catalyst is disclosed together with methods of using it for enantioselective syntheses. The chiral catalyst includes a nucleus with two metal atoms that has four bridging ligands oriented radially to the axis of the nucleus. Each of these ligands includes a...
01/24/2006
6933400Complex compounds and their use in olefin polymerization
Complexes of the formulae I a to d, where M is an element of groups 6 to 10 of the Periodic Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspe...
08/23/2005
6924147Method of making a polymeric food spoilage sensor
A polymeric food spoilage sensor comprises a polymer containing a polyazamacrocyclic transition metal complex. The complex selectively binds biogenic amines, such as cadaverine, putrescine and histamine, which are released by food spoilage microorganisms. The polyme...
08/02/2005
6919467Imino-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
6916760Spray-drying catalyst compositions and methods of spray-drying
A spray drying process for preparing a solid catalyst and composition for use therein comprising a catalyst compound, an activator for the catalyst compound, and at least one compound selected from among siloxanes, polyalkylene glycols, C1-4 alkyl or phen...
07/12/2005
6914037Molybdenum-containing lubricant additive compositions and processes for making and using same
The invention relates to an improved process for producing organomolybdenum compositions with high molybdenum content that are highly useful as lubricant additives, in which the process involves reacting a fatty oil with a diamine, followed by reaction with a molybd...
07/05/2005
6911485Anionic and Lewis base photopolymerization process and its use for making optical articles
The invention relates to a process for polymerising a monomer, polymerizing and/or crosslinking a oligomer, or crosslinking a polymer or copolymer, said monomer, oligomer, polymer and copolymer being selected among precursor monomers, urethane, thiourethane and epis...
06/28/2005
6855839Method of polymerization
This invention relates to a composition of matter represented by the formula below, and to a polymerization process comprising combining an olefin in the gas or slurry phase with an activator, a support and a compound represented by the following formula:
02/15/2005
6852865Catalytic carbonylation of three and four membered heterocycles
Epoxides, aziridines, thiiranes, oxetanes, lactones, lactams and analogous compounds are reacted with carbon monoxide in the presence of a catalytically effective amount of catalyst having the general formula [Lewis acid]z+{[QM(CO)x]w−
02/08/2005
6831187Multimetallic catalyst compositions for the polymerization of olefins
The present invention relates to novel hetero-multimetallic catalyst precursors and catalysts for the polymerization of olefins. ...
12/14/2004
6770771Polymerization 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
6723807Catalyst component and catalyst for addition polymerization, and process for producing addition polymer
A catalyst obtained by contacting a transition metal compound (A) of the general formula [1]: [LpXoCpjM(N2)nM′XmLl]X′k  [1], wherein M an...
04/20/2004
6706249Composite polybasic salt, process for producing the same, and use
A composite metal polybasic salt containing a trivalent metal and magnesium as metal components and having a novel crystal structure, and a method of preparing the same. The invention further deals with a composite metal polybasic salt which has anion-exchanging pro...
03/16/2004
6689383Chromium-histidine complexes as nutrient supplements
Chromium is an essential element which has been shown to have beneficial effects on carbohydrate and lipid metabolism. Often, dietary intake is suboptimal, and nutritional supplements may not be effective due to poor absorption in the gastrointestinal tra...
02/10/2004
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