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| Number | Title | Issue Date |
| 8173570 | Hydroconversion processes employing multi-metallic catalysts and method for making thereof A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a Promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one Group VIB metal... | 05/08/2012 |
| 7645716 | Oxygen-bridged bimetallic complex, the production thereof and its utilization for polymerization catalysis The novel binuclear, oxygen-bridged, bimetallic complexes of the general formula (I): [(LM1R1)(Cp2M2R2)](μ-O) (I) are suitable as polymerization catalysts for olefin polymerization. (M | 01/12/2010 |
| 7442750 | Supported olefin polymerization catalyst Supported catalyst systems are provided comprising (a) a transition metal compound, (b) an activator comprising (iii) an aluminoxane or (iv) a Group lilA metal or metalloid compound, and (c) a support material comprising an inorganic metal oxide, inorganic metal hal... | 10/28/2008 |
| 7410926 | Polymerization 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 |
| 7354880 | Catalyst composition and methods for its preparation and use in a polymerization process The present invention relates to a catalyst composition and a method for making the catalyst composition of a polymerization catalyst and a carboxylate metal salt. The invention is also directed to the use of the catalyst composition in the polymerization of olefin(... | 04/08/2008 |
| 7342084 | Peroxidically crosslinked hydrogenated vinylpolybutadienes and their use for production of technical rubber products with good recovery performance over a wide temperature range The present invention provides peroxidically crosslinked hydrogenated vinylpolybutadienes which serve for production of technical rubber products and which have very good recovery performance over a wide temperature range. ... | 03/11/2008 |
| 7321017 | Amine 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 |
| 7319176 | Selective hydrogenation of acetylenes A process for removing acetylenic compounds using unsulfided metallic nickel or unsulfided metallic nickel modified with metallic Mo, Re, Bi or mixtures in which the catalyst is used alone or is used in combination with other acetylenic selective catalysts. The unsu... | 01/15/2008 |
| 7301039 | Process for preparing cationic rhodium complexes The invention comprises a process for the preparation and isolation of a non-amorphous cationic rhodium complex having the formula: [Rh(ligand)m(diolefin)]+X−, wherein the ligand is an enantiomerically enriched organic compound pos... | 11/27/2007 |
| 7297806 | Manufacture of alpha-olefins Alpha-olefin are manufactured in high yield and with very high selectivity by contacting ethylene with an iron complex of a selected 2,6-pyridinedicarboxaldehyde bisimine or a selected 2,6-diacylpyridine bisimine, and in some cases a selected activator compound such... | 11/20/2007 |
| 7291687 | Catalyst 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 |
| 7288612 | Initiator composition and method for anionic polymerisation The invention relates to an initiator composition for anionic polymerization, comprising at least one alkali metal hydride selected from LiH, NaH, and KH, and at least one organylaluminum compound, and to a process for the anionic polymerization of styrene monomers ... | 10/30/2007 |
| 7279594 | Thermoplastic composition, articles thereof, and method of making the articles A thermoplastic composition comprises greater than or equal to about 60 wt. % polycarbonate; and about 10 wt. % to about 40 wt. % of a polyimide; wherein weight percents are based on a total weight of the thermoplastic composition. ... | 10/09/2007 |
| 7241926 | Method for producing polyether alcohols A process for preparing polyether alcohols by addition of alkylene oxides onto H-functional starter substances in the presence of multimetal cyanide catalysts, wherein the multimetal cyanide catalysts are microporous and have a specific surface area of more than 100... | 07/10/2007 |
| 7235510 | Catalysts 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 |
| 7226661 | Synthesis of quinones and phenols on solid support Generally, and in one form, the present invention is a method of making a benzene-modified compound on solid support that includes the steps of forming an (oxy)(aryl)carbene complex, esterifying the (oxy)(aryl)carbene complex to form an (ester)(aryl)carbene complex,... | 06/05/2007 |
| 7214642 | Methods of preparing active chromium/alumina catalysts via treatment with sulfate Methods of preparing a polymerization catalyst are provided that include contacting a support comprising alumina with a sulfating agent and with chromium. In an embodiment in which the chromium is provided from a chromium compound such as chromium oxide, the support... | 05/08/2007 |
| 7208437 | Catalyst and method for its manufacture A catalyst is synthesized by a method in which a catalytic metal such as platinum or another noble metal is dispersed onto a support member. A transition metal macrocycle is also adsorbed onto the support, and the support is heat treated so as to at least partially ... | 04/24/2007 |
| 7196030 | Method for producing alkoxylated products at optimized reaction pressures The present invention relates to a process for the preparation of at least one alkoxylate comprising the bringing into contact of an alkylene oxide mixture at least comprising ethylene oxide with at least one starter compound in the presence of at least one double-m... | 03/27/2007 |
| 7189792 | Catalyst for synthesizing high trans polymers The process and catalyst of this invention can be utilized to synthesize homo and copolymers of conjugated diene monomers and vinyl aromatic monomers having high trans contents of greater than 60% with low melting points. These homo and copolymers of conjugated dien... | 03/13/2007 |
| 7173138 | Ligands for pnicogen chelate complexes with a metal of subgroup VIII and use of the complexes as catalysts for hydroformylation, carbonylation, hydrocyanation or hydrogenation Pnicogen chelate compounds which have two pnicogen-containing groups joined to one another via a xanthene-like or triptycene-like molecular skeleton and in which at least one pyrrole group is covalently bound via its nitrogen atom to each pnicogen atom form complexe... | 02/06/2007 |
| 7157398 | Covalently fixed nonmetallocenes, process for preparing them and their use for the polymerization of olefins The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to the use thereof for polymerizing olefins. ... | 01/02/2007 |
| 7157549 | Polymerization of oxiranes with a lithium-containing initiator A method is provided for polymerizing oxiranes by employing a lithium-containing polymerization initiator in a liquid reaction medium devoid of polymerization additives. Linear and star polymers can be produced by practicing the subject method. ... | 01/02/2007 |
| 7153806 | Encapsulated 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 |
| 7153920 | Synthesis of functionalized high vinyl rubber This invention is based upon the discovery that rubbery polymers having a high vinyl content and a low degree of branching can be synthesized with an initiator system that is comprised of (a) a lithium initiator selected from the group consisting of allylic lithium ... | 12/26/2006 |
| 7148299 | Polymerization catalyst The present invention relates to a catalyst for polymerization of a conjugated diene or the like, which is composed of a metallocene-type cation complex of a gadolinium compound. Examples of such catalyst include a metallocene-type cation complex of a trivalent gado... | 12/12/2006 |
| 7148278 | Urethane elastomers with improved color stability A golf ball including a center, a cover, and, optionally, at least one intermediate layer disposed between the center and the cover, wherein the cover is formed from a polyurethane composition, or a reaction product thereof, including at least one polyol; at least o... | 12/12/2006 |
| 7147947 | Selective carbon monoxide oxidation catalyst, method of making the same and systems using the same A CO-selective catalyst comprises a catalytic material, wherein the catalytic material is selected from the group consisting of Pt, Pd, Rh, Ir, Os, Ru, Ta, Zr, Y, Ce, Ni, Cu, and oxides, alloys, compounds, and combinations comprising at least one of the foregoing; a... | 12/12/2006 |
| 7141527 | Catalyst system and process for the polymerization of olefins A catalyst system for the polymerization of olefins comprising the product obtained by contacting: (A) a metallocene complex; (B) an organometallic aluminium compound of formula (II): Al[CH2—C(Ar)R4R5 | 11/28/2006 |
| 7132383 | Polymerization catalyst for polyester, polyester produced with the same, and process for producing polyester A polymerization catalyst for polyester production which contains neither a germanium compound nor an antimony compound as a major component. It contains aluminum as the main metallic ingredient, has excellent catalytic activity, and gives a polyester which is effec... | 11/07/2006 |
| 7119043 | Olefin polymerization processes and products thereof A novel loop/slurry olefin polymerization process is provided which produces ultra high molecular weight ethylene homopolymers and ultra high molecular weight ethylene copolymers. Catalyst systems used are selected from the group consisting of inorganic oxide suppor... | 10/10/2006 |
| 7115539 | Metal 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 M1L1r, a compound represented by the formula R1s−1TH, and a compound represe... | 10/03/2006 |
| 7115540 | Synthesis 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 with a lig... | 10/03/2006 |
| 7112643 | Polymers having low levels of long chain branching and methods of making the same Methods of producing a polymer include contacting at least one olefin with a catalyst prepared by contacting a support comprising alumina with a sulfating agent and with chromium. Polymer compositions produced in this manner may exhibit relatively low levels of long... | 09/26/2006 |
| 7101823 | Method for preparing metal cyanide catalyst complexes using partially miscible complexing agents Double metal cyanide catalysts (DMC) are complexed with complexing agents that are miscible in poly(propylene oxide) at higher temperatures and immiscible at lower temperatures. The complexing agent is a poly(ethylene oxide) polymer or a copolymer having a poly(ethy... | 09/05/2006 |
| 7097933 | Catalyst 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 |
| 7098166 | Catalyst for preparing fluorine-containing alcohol compound and a process for preparation of fluorine-containing alcohol compound A process for preparing a fluorine-containing alcohol compound, the process comprising the step of reacting water with a halogenated fluorine compound in the presence of a catalyst for preparing a fluorine-containing alcohol compound, the catalyst obtained by suppor... | 08/29/2006 |
| 7094849 | Bulk polymerization process for producing polydienes A method of producing cis-1,4-polydienes, the method comprising the step of contacting conjugated diene monomer with a lanthanide-based catalyst system in the presence of less than 20% by weight of organic solvent based on the total weight of monomer, organic solven... | 08/22/2006 |
| 7091152 | Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith A process of contacting at least one isoparaffin and at least one C5 olefin in the presence of a catalyst composition under conversion conditions to provide for converting the at least one isoparaffin and the at least one C5 olefin is provided.... | 08/15/2006 |
| 7087548 | Preparation and use of a heterogeneous rhodium catalyst for the hydrogenation of a double bond of an α-β-unsaturated carbonyl compound A process for preparing an Rh-based catalytic system heterogenized on an organic or mineral support, characterized in that: a) a rhodium derivative with a valency state>0 is reduced in an ether or aromatic solvent and in the presence of a compound chosen from the gr... | 08/08/2006 |
