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| Number | Title | Issue Date |
| 7964745 | Method of making a synthetic alkylaryl sulfonate A synthetic petroleum sulfonate prepared by a process comprising (a) reacting a first amount of at least one aromatic compound with a first amount of a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst; (b) r... | 06/21/2011 |
| 7939685 | Hydroxylation of β-dicarbonyls with zirconium catalysts The present invention pertains to a process for preparing a compound of Formula I that is achiral, racemic or enantiomerically enriched at the hydroxylation center indicated by * comprising contacting a compound of Formula ... | 05/10/2011 |
| 7897799 | Oxo-hexameric zirconium-octaamino acid antiperspirant salts A process for preparing oxo-hexameric zirconium-octaamino acid, such as glycine, salt comprising: mixing zirconium (Zr):amino acid:and mineral acid, in a molar ratio of 1:about 1 to about 15:about 1.5 to about 3 to form a mixture; optionally, filtering the mixture; ... | 03/01/2011 |
| 7718818 | Hydroxylation of beta-dicarbonyls with zirconium catalysts The present invention pertains to a process for preparing a compound of Formula I that is achiral, racemic or enantiomerically enriched at the hydroxylation center indicated by * comprising contacting a compound of Formula ... | 05/18/2010 |
| 7714155 | Alkoxide compound, material for thin film formation, and process for thin film formation An alkoxide compound of formula (I) suitable as a material for thin film formation used in thin film formation involving vaporization of a material such as CVD, a material for thin film formation including the alkoxide compound, and a process for thin film formation... | 05/11/2010 |
| 7399873 | Process for the preparation of carboxylic acid esters There is provided a process for preparing a carboxylic acid ester of formula (3): R2COOR1 (3) wherein R1 is an alkyl group which may be substituted, an alk... | 07/15/2008 |
| 7371276 | Titanium dioxide pigment and method for producing the same and resin composition using the same The titanium dioxide pigment of the present invention contains an anatase type crystal in an amount of 98-100% and has an average particle diameter of 0.2-0.4 μm and a whiteness of 95-97 in terms of L value of linseed oil. The titanium dioxide pigment of the presen... | 05/13/2008 |
| 7294730 | Colorant 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 |
| 7268243 | Bis(salicylaldiminato)titanium complex catalysts, highly syndiotactic polypropylene by a chain-end control mechanism, block copolymer containing this Bis(salicylaldiminato)titanium complex with optionally substituted phenyl or cyclohexyl on nitrogen catalyzes highly syndiospecific polymerization of propylene. Syndiotactic polypropylene with defects of the type rmr having [rrrr] content greater than 0.70 and block... | 09/11/2007 |
| 7256290 | Titanium alkoxide compound A titanium alkoxide composition is provided, as represented by the chemical formula (OC6H5N)2Ti(OC6H5NH2)2. As prepared, the compound is a crystalline substance with a hexavalent titanium a... | 08/14/2007 |
| 7238818 | Heterocyclic metallocenes and polymerization catalysts A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using said catalytic system are disclosed; the heterocyclic metallocenes correspond to the formula (I): YjR″... | 07/03/2007 |
| 7176158 | Polymerization catalyst composition Copolymerization of Ni(H) or Co(II) acenaphthene diimine complexes containing olefinic substituents on aryl groups in the presence of a free radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligo... | 02/13/2007 |
| 7122690 | Process to prepare metal complex of N,N-bis(2-hydroxyethyl)glycine Metal complexes of titanium and zirconium with N,N-bis(2-hydroxyethyl)glycine are provided, and more particularly to an improved process to prepare the titanium and zirconium complexes of N,N-bis(2-hydroxyethyl)glycine. Such complexes are used in oil well fracturing... | 10/17/2006 |
| 7060848 | 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... | 06/13/2006 |
| 7045583 | Olefin polymerization catalyst system This invention relates to a catalyst precursor compound comprising a tridentate phenoxy-amide-amine group bound to a group 3 to 12 metal or lanthanide metal. In particular, this invention relates to a catalyst precursor compound represented by the formula: | 05/16/2006 |
| 7030256 | Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom New ligands, compositions, metal-ligand complexes and arrays 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 comono... | 04/18/2006 |
| 6969510 | Glycine-free antiperspirant salts with Betaine for enhanced cosmetic products A glycine-free aluminum and/or zirconium Betaine salt having a metal to chloride molar ratio in the range of 0.3-2.5:1, a Betaine:aluminum molar ratio in the range of 0.05-1.0:1 and/or a Betaine:zirconium molar ratio in the range of 0.2-3.0:1, wherein the Betaine is... | 11/29/2005 |
| 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 |
| 6809211 | Catalysts for polymerization of alkylene oxides The present invention provides new coordinative catalysts for the polymerization of alkylene oxides. ... | 10/26/2004 |
| 6774253 | Process for the preparation of titanium complexes A new process is disclosed, particularly simple, convenient and practical, for the direct synthesis of titanium complexes of the formula (I): (D)(ZR1m)n(A)TiLpXq, wherein (ZR1m)n | 08/10/2004 |
| 6747105 | Bis-Schiff base ligand-containing mono-metallocene olefin polymerization catalyst, its preparation process and application A catalyst for olefin polymerization having the following structural formula (I): wherein R1 is selected from the group consisting of hydrogen, C1-C12 alkyl, C1-C12 ... | 06/08/2004 |
| 6703518 | Fluoride-releasing compositions Chelating monomers and fluoride-releasing compositions are disclosed that may be incorporated into dental composite restorative materials or other dental materials, to produce materials with high fluoride release rates, and high fluoride recharge capabili... | 03/09/2004 |
| 6689427 | Group IV metal precursors and a method of chemical vapor deposition using the same An organometallic precursor of a formula M(L)2 for use in formation of metal oxide thin films, in which M is a group IV metal ion having a charge of +4 and L is a tridentate ligand having a charge of -2, the ligand being represented by the foll... | 02/10/2004 |
| 6686490 | Active non-metallocene pre-catalyst and method for tactic catalytic polymerization of alpha-olefin monomers An active non-metallocene pre-catalyst featuring a diamine diphenolate complex and a corresponding method for catalytic polymerization, in general, and, tactic catalytic polymerization, in particular, of alpha-olefin monomers using the disclosed pre-catal... | 02/03/2004 |
| 6677490 | Method for producing alcohol/ketone mixtures The invention relates to a method for producing a mixture of alcohols/ketones by decomposing an alkyl hydroperoxide, particularly to a method for producing a cyclohexanol/cyclohexanone by decomposing cyclohexyl hydroperoxide in the presence of a heterogen... | 01/13/2004 |
| 6635779 | Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins A class of metallocene compounds is disclosed having general formula (I) wherein Y is a moiety of formula (II) wherein A, B, and D, same or different from each other, are selected from an element of the groups 14 to 16 of the Periodic Table of the Element... | 10/21/2003 |
| 6632899 | Active non-metallocene pre-catalyst and method for tactic catalytic polymerization of alpha-olefin monomers An active non-metallocene pre-catalyst featuring a diamine diphenolate complex and a corresponding method for catalytic polymerization, in general, and, tactic catalytic polymerization, in particular, of alpha-olefin monomers using the disclosed pre-catal... | 10/14/2003 |
| 6476250 | Optically active fluorinated binaphthol derivative In order to provide a novel optically active binaphthol derivative useful as an asymmetric catalyst or the like, with which a higher reaction yield and a higher optical yield (selectivity) may be attained in asymmetric synthesis, an asymmetric catalyst us... | 11/05/2002 |
| 6444835 | Titanocene synthesis A method for producing a titanocene wherein a TiCl3 complex free from salts of metals other than titanium is reacted with a titanocene ligand.... | 09/03/2002 |
| 6420579 | Organometallic fluorenyl compounds, preparation, and use Bridged and unbridged fluorenyl-containing metallocenes of the formula R"x (FlRn)(CpRm)MQk wherein Fl is a fluorenyl radical, Cp is a cyclopentadienyl, indenyl, tetrahydroindenyl, or fluorenyl radical, each R is... | 07/16/2002 |
| 6380278 | Polyurethane salts A urethane (meth)acrylate metal salt obtained by reacting (A) one or more polyisocyanates, (B) one or more hydroxy functional (meth)acrylates, and (C) one or more metal salt polyols which are the reaction product of a metal oxide and a half ester containi... | 04/30/2002 |
| 6380406 | Homogeneous epoxidation catalyst A process for forming an olefin epoxidation catalyst is described. The process comprises reacting a tert-alkyl trihydroxysilane with a titanium complex such that the ratio of Si:Ti is 7. The catalyst is very active and selective in olefin epoxidation.... | 04/30/2002 |
| 6344530 | Process for producing -olefin polymers The present invention relates to a catalyst for polymerization of -olefin, which comprises: an essential component (A) of a transition metal compound, an essential component (B) of an ion exchangeable layer compound except for silicate, or an inorganic ... | 02/05/2002 |
| 6333423 | Ultra-high activity non-metallocene pre-catalyst and method for catalytic polymerization of alpha-olefin monomers Disclosed are compounds of the following formulae, and their use in the polymerization of olefins: ##STR1## wherein M is preferably titanium, zirconium or hafnium, R1 -R8 are univalent radicals, X1 and X2 are un... | 12/25/2001 |
| 6316562 | Catalyst systems for (co-)polymerization reactions, metallocene amide halogenides, the production and use thereof This invention relates to new metallocenes with mixed substituents and enhanced activity, methods of producing metallocene compounds, and the use of metallocenamide halides for generating an active catalyst system for (co)polymerization reactions.... | 11/13/2001 |
| 6307063 | Conversion of compounds of titanium in a plus 4 oxidation state to titanium compounds in a plus 3 oxidation state The reduction of a titanium tetrahalide with titanium in the presence of an ether which forms an adduct with titanium trihalide, wherein an adduct insoluble in said ether is produced.... | 10/23/2001 |
| 6288193 | Ethylene-based polymer An ethylene-based polymer comprising ethylene and at least one addition polymerizable monomer containing a vinyl compound (A) described below, wherein the ethylene-based polymer has a melting temperature (Tm) of 119 ° C. or lower and, the melt index MI (... | 09/11/2001 |
| 6274195 | Organometallic complex process for the preparation thereof and metal organic chemical vapor deposition using same An organometallic complex of formula(I) having a low evaporation temperature can be used as a precursor for the MOCVD of a metal compound thin film on semiconductor devices ##STR1## wherein, M is Ti or Zr; R1, R2, R3 and R... | 08/14/2001 |
| 6258966 | Chiral ligand and method for preparing cyanohydrins from aldehydes A chiral ligand of the formula (II) or formula (II'), ##STR1## was synthesized. The chiral ligand (II) or formula (II') can chelate to metals to form a catalytic complex to catalyze the addition of trimethylsilyl cyanide to aldehydes to give optically act... | 07/10/2001 |
| 6252097 | Transition metal compounds The present invention relates to a catalyst for polymerization of -olefin, which comprises: an essential component (A) of a transition metal compound, an essential component (B) of an ion exchangeable layer compound except for silicate, or an inorganic ... | 06/26/2001 |
