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| Number | Title | Issue Date |
| 7482302 | Fluorosulfonic acid compound, process for producing the same, and use thereof The present invention provides novel fluorosulfonic acids and salts thereof having greater stability and higher acidity than conventional fluorosulfonic acids; and synthetic intermediates thereof. The invention also provides processes for producing novel fluorosulfo... | 01/27/2009 |
| 7425661 | Methods for oligomerizing olefins The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl amine or a heteroaryl-ami... | 09/16/2008 |
| 7417006 | Catalyst system for the polymerization of olefins A salt of formula (I) [HEoR13]+[T1T2]− (I) wherein Eo is a nitrogen or phosphorous atom; R1 is hydrocarbon radical; T1 is a Lewi... | 08/26/2008 |
| 7414006 | Methods for oligomerizing olefins The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a heteroaryl-amine compound. In par... | 08/19/2008 |
| 7396795 | Low temperature preparation of supported nanoparticle catalysts having increased dispersion Highly dispersed supported catalyst nanoparticles are manufactured at temperatures below about 95° C. The catalyst nanoparticles are formed on a support using an organic anchoring agent. The anchoring agent molecules include at least two functional groups. One func... | 07/08/2008 |
| 7390862 | Process for polymerizing 1-butene A process for polymerizing 1-butene, optionally with up to 30% by mol of ethylene, propylene or an alpha olefin of formula CH2═CHT wherein T is a C3-C10 alkyl group, in the presence of a catalyst system obtainable by contacting a m... | 06/24/2008 |
| 7387980 | Methods of using heterocycle-amine ligands, compositions, complexes, and catalysts Ligands, compositions, and metal-ligand complexes that incorporate heterocycle-amine compounds are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers. The catalysts have high performance characteristics... | 06/17/2008 |
| 7361781 | Process for the preparation of 2,3,5-trimethylhydroquinone diacylates 2,3,5-Trimethyl-1,4-hydroquinone diacylates are obtained by reacting 3,5,5-trimethyl-1,4-benzoquinone with an acylating agent in the presence of methane trisulfonic acid as a catalyst. ... | 04/22/2008 |
| 7339021 | Method for preparing polycarbonate resin The present invention relates to a method for preparing polycarbonate resin, and more particularly to a method for effectively preparing polycarbonate resin having a large molecular weight in a short time under a melt polymerization condition using a catalyst system... | 03/04/2008 |
| 7335620 | Photocatalytic powder, photocatalytic slurry, and polymer composition, coating agent, photocatalytic functional molded article and photocatalytic functional structure using the powder An object of the present invention is to provide a photocatalytic powder containing titanium dioxide fine particles containing an anionically active substance, where the electrokinetic potential of the fine particle is from about −100 to 0 mV in an aqueous environ... | 02/26/2008 |
| 7307113 | Fluorosulfonic acid organic polymers The present invention provides for a composition and a process for forming the composition. The composition comprises an organic polymer and 0.5-40% by weight of the composition of a siloxane, the organic polymer having a fluorinated backbone and 3-20 mol-% of penda... | 12/11/2007 |
| 7300904 | Trimerisation and oligomerisation of olefins using a chromium based catalyst The invention provides a mixed heteroatomic ligand for an oligomerisation of olefins catalyst, which ligand includes at least three heteroatoms, of which at least one heteroatom is sulfur and at least 2 heteroatoms are not the same. The invention also provides a mul... | 11/27/2007 |
| 7268095 | Transition metal catalysts for (co) polymerizing of olefinic monomers A compound of the formula Ia or Ib; where, in the formula Ia, E1 is O, S, Se, Te, NR, CR2, or PR; E2, E... | 09/11/2007 |
| 7253133 | Catalyst for polymerization or copolymerization of olefins, preparation and use of the same Catalysts and catalyst systems useful for the olefin polymerization and copolymerization, and their synthesis procedure and usage are disclosed. These catalyst are a kind of novel complexes formed by transition metal from Group III to Group XI and multidentate ligan... | 08/07/2007 |
| 7232624 | Membrane and electrode assembly, production method of the same and fuel cell employing the same Provided is a method of producing a membrane and electrode assembly (MEA) comprising: mixing a metal catalyst with pure water, perfluorinated polymer ionomer and a polar organic solvent to prepare a composition for forming a catalyst layer; coating a diffusion layer... | 06/19/2007 |
| 7214640 | Ionic material The present invention relates to a material containing ionic groups, in particular, to the ionic materials that form an ionic pair with a free radical catalyst. Various applications of such materials are also described. Ionic materials can include magnetic particles... | 05/08/2007 |
| 7192686 | Photoacid generators based on novel superacids Carborane based PAG's are bulky, produce a strong and large superacid, and have polarities that are compatible with the chemically amplified polymers typically used in photoresists. Carborane based PAG's also provide another broad class of bulky PAG's that may be us... | 03/20/2007 |
| 7169875 | Organometallic compositions A composition suitable for use as a catalyst for the reaction of an isocyanate compound or prepolymer thereof with an alcohol to form a polyurethane comprises a mixture of (a)an organometallic compound selected from: (i) a compound of formula M(RO)4, wher... | 01/30/2007 |
| 7160836 | Materials comprising organic groups containing sulphur and phosphorous bonded to a mineral oxide via oxygen atoms The invention describes materials comprising organic groups containing sulphur and phosphorous bonded together by a hydrocarbon chain and bonded via phosphorous and oxygen atoms to a mineral oxide of an element M, said materials being characterized in that they comp... | 01/09/2007 |
| 7091292 | Bridged bi-aromatic catalysts, complexes, and methods of using the same Ligands, compositions, metal-ligand complexes and arrays with substituted bridged bis-biaromatic ligands, and methods of making and using the same, are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers... | 08/15/2006 |
| 7053020 | Catalyst systems for ethylene oligomerisation to linear alpha olefins A catalyst system comprising: (a) one or more bisarylimino pyridine iron or cobalt catalysts; (b) a first co-catalyst compound which is selected from aluminium alkyls, aluminoxanes, and mixtures thereof; and ... | 05/30/2006 |
| 7030200 | Catalysts for olefin polymerization Late transition metal complexes of certain ligands which contain phosphinidine and/or imine groups are useful as components of polymerization catalysts for olefins. Useful metals in the complexes include Ni, Pd, Fe and Co. Oligomers and/or polymers of olefins such a... | 04/18/2006 |
| 7026266 | Catalytic formulation and its preparation A hetergeneous catalyst includes a solid support having deposited thereon a catalyticaly active material, which is substantially insoluble in organic and aqueous liquid media. The insoluble material is constructed from secondary building blocks derived from suitable... | 04/11/2006 |
| 6998365 | Catalysts for low-cure powder coatings and methods for using the same Catalysts useful for low-cure powder coating compositions are disclosed, having the structure (I): wherein R1 is an organic radical having 6 to 25 carbon atoms; each R2 is independently a multivale... | 02/14/2006 |
| 6995294 | Method for producing bisphenol catalysts and bisphenols This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and... | 02/07/2006 |
| 6992228 | Method for producing bisphenol catalysts and bisphenols This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and... | 01/31/2006 |
| 6982238 | Supported catalyst The invention provides a supported chromium catalyst system comprising a chromium catalyst precursor bound via at least one heteroatom to a functionalised support, said heteroatom being connected to said support via an organic group. ... | 01/03/2006 |
| 6960551 | Functionalized periodic mesoporous materials, their synthesis and use A functionalized porous crystalline material is disclosed exhibiting an X-ray diffraction pattern with at least one peak at a position greater than about 1.8 nm d-spacing with a relative intensity of 100. The crystalline material comprises a framework including meta... | 11/01/2005 |
| 6951831 | Catalyst composition for dimerizing, co-dimerizing, oligomerizing and polymerizing olefins A catalyst composition for use in dimerizing, co-dimerizing or oligomerizing olefins comprises: at least one zero-valent nickel complex; at least one acid with formula H+X− in which X... | 10/04/2005 |
| 6923904 | Process for effecting ultra-deep HDS of hydrocarbon feedstocks The invention pertains to a process for reducing the sulfur content of a hydrocarbon feedstock to a value of less than 200 ppm, preferably less than 50 ppm, which comprises subjecting a catalyst comprising a Group VIB metal component, a Group VIII metal component, a... | 08/02/2005 |
| 6916761 | Polymer-supported Lewis acid catalyst In order to provide a novel Lewis acid catalyst, which shows high reaction activity in aqueous medium, is easily recovered, and is excellent in reusability, a Lewis acid group expressed by the general formula (I): MXn (I) (wherein... | 07/12/2005 |
| 6906153 | Dual-site olefin polymerization catalyst composition The invention provides a catalyst system (preferably a heterogeneous catalyst system) comprising: a transition metal bisphenolate catalyst (preferably a group 4 to 6 transition metal bisphenolate catalyst) and another olefin polymerization catalyst, and optionally a... | 06/14/2005 |
| 6884894 | Method for producing bisphenol catalysts and bisphenols This disclosure relates to a method for producing and using catalysts in the production of bisphenols, and in particular to a method for producing catalysts which contain poly-sulfur mercaptan promoters, and using these catalysts in the production of bisphenol-A and... | 04/26/2005 |
| 6881867 | Method for hydroformylation, xanthene-bridged ligands and catalyst comprising a complex of said ligands In a process for the hydroformylation of ethylenically unsaturated compounds, at least one complex of a metal of transition group VIII. with at least one phosphorus-, arsenic- or antimony-containing compound as ligand is used as hydroformylation catalyst, where the ... | 04/19/2005 |
| 6881698 | Ion liquids derived from Lewis acid based on titanium, niobium, tantalum, tin or antimony, and uses thereof The ionic liquids according to the invention result from the reaction of a halogenated or oxyhalogenated Lewis acid based on titanium, niobium, tantalum, tin or antimony with an organic salt of formula X+A− in which A− is a halid... | 04/19/2005 |
| 6878662 | Polymerization catalyst system, polymerization process and polymer therefrom The invention provides olefin(s) polymerization catalyst compositions that include at least one tridentate ligand coordinated to the transition metal by one datively bonded heteroatom and two anionically bonded heteroatoms. ... | 04/12/2005 |
| 6872678 | Process for activating a catalyst containing an S-containing additive The present invention pertains to a process for activating a catalyst composition comprising at least one hydrogenation metal component of Group VI and/or Group VIII of the Periodic Table, and an S-containing organic additive, wherein the catalyst is contacted with ... | 03/29/2005 |
| 6852664 | Double metal cyanide catalysts for the preparation of polyether polyols The present invention relates to novel double metal cyanide (DMC) catalysts for the preparation of polyether polyols by a polyaddition reaction between alkylene oxides and starter compounds having active hydrogen atoms, wherein the catalyst contains a) at least one ... | 02/08/2005 |
| 6852663 | Double-metal cyanide catalysts for preparing polyether polyols The invention is directed to a double-metal cyanide catalyst for the preparation of a polyether polyol by the polyaddition of an alkylene oxide on to a starter compound containing active hydrogen atoms, wherein the DMC catalyst comprises a) at least one double-metal... | 02/08/2005 |
| 6841502 | Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/... | 01/11/2005 |
