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Class 502/153 - Diverse metals bonded to carbon


Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition which contains either a single organic compound
No. of patents: 248
Last issue date: 08/12/2008


1              
NumberTitleIssue Date
7410926Polymerization process using a supported, treated catalyst system
The present invention relates to a supported, treated catalyst system and its use in a process for polymerizing olefin(s). More particularly, it provides a supported, treated catalyst system produced by a process comprising the steps of: (a) forming a supported bime...
08/12/2008
7321017Amine containing catalyst system and methods of use thereof
The present invention is directed to an amine containing catalyst system for synthesizing rubbery polymers, such as polybutadiene rubber and styrene-butadiene rubber, having a high trans microstructure. The catalyst system, in one embodiment, includes (a) an organol...
01/22/2008
7309756Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters
Macrocyclic oligoesters and compositions comprising macrocyclic oligoesters are prepared from intermediate molecular weight polyesters. In one embodiment, a diol is contacted with a dicarboxylic acid or a dicarboxylate in the presence of a catalyst to produce a comp...
12/18/2007
7291687Catalyst system for synthesizing rubbery polymers having a high trans microstructure content
The present invention is directed to a catalyst system for synthesizing rubbery polymers, such as polybutadiene rubber and styrene-butadiene rubber, having a high trans microstructure. The catalyst system, in one embodiment, includes (a) a barium salt of an alcohol ...
11/06/2007
7235510Catalysts
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 alkyl silicate and an organofunc...
06/26/2007
7205360Preparation process for block copolymers for tire tread compositions, and such copolymers
A preparation process for a copolymer having two blocks usable in a sulphur-cross-linkable rubber composition of reduced hysteresis in the cross-linked state, such a block copolymer in which one of the blocks is a polyisoprene and the other a diene elastomer other t...
04/17/2007
7153806Encapsulated oxo-bridged organometallic cluster catalyst and a process for the preparation thereof
The present invention relates to a novel encapsulated organometallic cluster complex catalyst and to a process for the preparation thereof. The oxo-bridged organometallic cluster complex of the invention has at least one atom of cobalt and manganese encapsulated in ...
12/26/2006
7151143Blends containing macrocyclic polyester oligomer and high molecular weight polymer
The invention provides blends of macrocyclic polyester oligomer (MPO) with high-molecular-weight polymer and polymerization catalyst as friable, one-component, ready-to-polymerize materials with long shelf life. The invention also provides methods for preparation an...
12/19/2006
7101959Polymerization 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
7097933Catalyst for fuel cell oxygen electrodes
A catalyst having catalytically active material supported on a carrier matrix. The catalytically active material may be a mixed-valence, nanoclustered oxide(s), an organometallic material or a combination thereof. The supported catalytic material is particularly use...
08/29/2006
7094854Ethylene/butadiene copolymers, catalytic system and process for the synthesis thereof
Disclosed are ethylene and butadiene copolymers and a catalytic system usable for the synthesis of these copolymers. The copolymers have a molar content of units resulting from butadiene of ≧8%, said units comprising trans-1,2 cyclohexane linkages, and a number-av...
08/22/2006
7071291Isolation, formulation and shaping of macrocyclic oligoesters
Processes for isolating, formulating, and shaping macrocyclic oligesters were developed which allow efficient production of macrocyclic oligoesters substantially free from solvent, which may include additives, fillers, and catalysts. ...
07/04/2006
7048023Pneumatic tire having a component containing high trans styrene-butadiene rubber
The invention is directed to a pneumatic tire having at least one component comprising a vulcanizable rubber composition, wherein the vulcanizable rubber composition comprises, based on 100 parts by weight of elastomer (phr), from about 30 to 100 phr of high trans r...
05/23/2006
7022806Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters
Macrocyclic oligoesters and compositions comprising macrocyclic oligoesters are prepared from intermediate molecular weight polyesters. In one embodiment, a diol is contacted with a dicarboxylic acid or a dicarboxylate in the presence of a catalyst to produce a comp...
04/04/2006
7008897Metal compound, and catalyst component and catalyst for addition polymerization, and process for producing addition polymer
A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula BiL1r, a compound represented by the formula R1s-1TH, and a compound represented by the f...
03/07/2006
7005401Method of preparation of non-platinum composite electrocatalyst for cathode of fuel cell
A method of preparing non-platinum composite electrocatalyst for a fuel cell cathode, comprising: (1) preparing a carbon supporting titanium dioxide; (2) compounding the carbon supporting titanium dioxide with a transition metal macrocyclic compound in an organic so...
02/28/2006
6998363Polyolefin catalyst component using non-covalent interactions
An olefin polymerization catalyst system is prepared from a catalyst of formula I or II: R1–R7 and R1–R12 in formulae I and II, respectively, are each independently —H, ...
02/14/2006
6994914Macrocyclic polyester oligomers and processes for polymerizing the same
A water slurry process is used to prepare a prepreg and to manufacture articles from macrocyclic polyester oligomers. In one embodiment, a process for preparing a water suspension of macrocyclic polyester oligomers includes the steps of contacting a macrocyclic poly...
02/07/2006
6992204Method for the selective production of racemic metallocene complexes
The invention relates to a method for producing racemic metallocene complexes by reacting bridged or non-bridged transition metal complexes with cyclopentadienyl derivatives of alkaline or alkaline earth metals and optionally, subsequently substituting the phenolate...
01/31/2006
6969694Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions
Chiral ligands and transition metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The chiral ligands include (R,S,S,R)-DIOP*. The ruthenium complex reduces enamide to the corresponding amine with up to 99% enantioselectivity. T...
11/29/2005
6962968Purification of macrocyclic oligoesters
Acid impurities, such as carboxylic acid-terminated polymers, are removed from macrocyclic oligoesters with ion exchange resins, resulting in macrocyclic oligoesters that are substantially free of acid impurities. The ion exchange resins can be regenerated anew and ...
11/08/2005
6960626Intimate physical mixtures containing macrocyclic polyester oligomer and filler
The invention provides intimate physical mixtures of macrocyclic polyester oligomer (MPO) and filler, as well as methods for their preparation and use. Improved dispersion of filler in a polymer matrix is achieved upon polymerization, and larger amounts of filler wi...
11/01/2005
6919293Double metal cyanide catalysts for producing polyether polyols
This invention relates to novel double metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides onto starter compound comprising active hydrogen atoms, wherein the catalyst contains a) double metal cyanide compounds, b...
07/19/2005
6909009Alkane 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
6906147Catalytic systems
This invention relates to single-component and multi-component catalytic systems using aryl titanates. Aryl titanate compounds are useful as catalysts and co-catalysts in single-component and multi-component catalytic systems (e.g., for the polymerization of macrocy...
06/14/2005
6903044One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand
Disclosed is a new catalyst composition comprising a bimetallic Co—Ru catalyst complexed with a N-heterocylcic ligand that is effective, economical, and provides improvements in oxidative stability in the one step synthesis of 1,3-propanediol (1,3-PDO) from ethyle...
06/07/2005
6903045Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols
A carbonylation catalyst useful for producing esters and carboxylic acids in a vapor phase carbonylation process, wherein the catalyst includes a solid component having a catalytically effective amount of platinum and tin associated with a solid catalyst support mat...
06/07/2005
6893564Shaped bodies containing metal-organic frameworks
The present invention relates to a novel class of shaped bodies containing metal-organic frameworks. Said metal-organic frameworks comprise at least one metal ion and at least one at least bidentate organic compound and contain at least one type of micro- and mesopo...
05/17/2005
6887956Catalyst system for high-cis polybutadiene
A catalyst system suitable for use in the production of high cis polybutadiene is disclosed. The catalyst system includes a cobalt salt of the formulaCoAx?, where A is a monovalent or divalent anion and x is 1 or 2; an alkyl aluminum chloride compound of ...
05/03/2005
6870015Catalyst component for addition polymerization, process for producing catalyst for addition polymerization and process for producing addition polymer
There are provided: (I) a catalyst component for addition polymerization comprising: (i) a transition metal compound having (a) two cyclopentadiene type anion skeleton-carrying groups, which are linked with each other directly or through a bridging gro...
03/22/2005
6867162Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto
The present invention is directed to double metal cyanide catalysts (“DMC”) which are prepared by combining i) at least one metal salt; ii) at least one metal cyanide salt; iii) at least one organic complexing ligand; iv) at least one alkali metal salt; and, opt...
03/15/2005
6861011Process for preparing methyllithium
Methyllithium is prepared by reacting chloromethane with a dispersion lithium metal in an aromatic organic solvent with methyltetrahydrofuran. ...
03/01/2005
6800582Process of preparation of amino functionalized diene polymers, polymers of such type, rubber composition and tire casing containing those polymers
The present invention provides a process for preparing amino functionalized diene polymers with 1,4-trans linkage content equal to or greater than 70%. The invention also concerns polymers of such type, a rubber composition and a tire casing containing those polymer...
10/05/2004
6780807Acyclic 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
6780811Catalyst composition for living free radical polymerization and process for polymerizing (meth) acrylic, vinyl, vinylidene, and diene monomers using the catalyst composition
A catalyst composition for living free radical polymerization. The catalyst composition includes a transition metal complex MXp and a ligand, wherein M is a transition metal; X is halogen, —NO2, —NCS, —NCO, —SCN, —CN, —N3...
08/24/2004
6753289One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand
Disclosed is a novel class of modified ruthenium catalysts useful in the one step synthesis of 1,3-PDO comprising (a) a cobalt component comprising one or more non-ligated cobalt compounds; and (b) a ruthenium component comprising in major part a ruthenium carbonyl ...
06/22/2004
6716787Polymerisation 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
6699813Lanthanide-based catalyst composition for the manufacture of polydienes
A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an lanthanide compound, (b) an alkylating agent, (c) a nickel-containing compound, and optionally (d) a halogen-containing compound, with the proviso t...
03/02/2004
6660892Synthesis 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
6656868Polymerization catalyst compositions
This invention relates to a catalyst composition suitable for a polymerization process comprising, in one embodiment, a particulate filler, mineral oil and at least one metal catalyst compound. In another embodiment, the particular filler is fumed. The ca...
12/02/2003
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