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| Number | Title | Issue Date |
| 7919640 | Synthesis with metal methacrylates as comonomers A method for the in-situ preparation of an ionic comonomer from its chemical precursors, prepared in a solution of styrene monomer is disclosed. In one embodiment, the ionic comonomer is zirconium methacrylate, Zr(MA)4 or zirconyl methacrylate, ZrO(MA) | 04/05/2011 |
| 7264054 | Fluids comprising zirconium isopropylamine crosslinking agents and associated methods A method of treating a subterranean formation is provided, the method may comprise providing a fluid comprising an aqueous fluid, a gelling agent, and a zirconium triisopropylamine crosslinking agent; and introducing the fluid into a well bore that penetrates the su... | 09/04/2007 |
| 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 |
| 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 |
| 7105691 | Aluminum / zirconium / glycine antiperspirant actives stabilized with Betaine A stabilized aluminum/zirconium/glycine salt comprising a Betaine of Formula I as additive: in a sufficient amount to have (a) an overall (Betaine+glycine)/Zr ratio in the range of 0.1–3.0:1, (b) a ratio of Bet... | 09/12/2006 |
| 7001585 | Method of making barium titanate The present invention provides a method of making barium titanate powder. The method includes adding barium acetate to a solution of oxalic acid and titanium oxychloride to form barium titanyl oxalate and then calcining the barium titanyl oxalate to obtain barium ti... | 02/21/2006 |
| 6984745 | Environmentally benign lead zirconate titanate ceramic precursor materials The synthesis, processing and test of improved lead zirconate titanate (PZT) precursor materials useful for making bulk, thick films and thin films of PZT are provided. PZT is an oxide ceramic extensively used for its piezoelectric properties. A variety of devices m... | 01/10/2006 |
| 6900155 | Titanium catalysts, preparation and use in co- and ter-polymerization of alpha-olefins Titanium complex having general formula (I) (RCOO)nTiXp wherein R is a monofunctional hydrocarbyl radical having from 1 to 20 carbon atoms and a number of halogen atoms, selected from fluorine, chlorine and bromine, preferably chlorine, ranging... | 05/31/2005 |
| 6894129 | Multinuclear half metallocene catalyst and preparation of styrene polymer using the same The present invention relates to a catalyst for preparing vinyl aromatic polymer and styrene polymerization using the same, and particularly to a transition metal half metallocene catalyst with a novel structure for preparing syndiotactic styrene polymer having high... | 05/17/2005 |
| 6849668 | Organo-silicon compounds and their use as photoinitiators A multi-functional photoinitiator of formula (I) R1m—Q—(A1—PI)n (I) wherein Q is a heteroatom selected from Si, Ti, Zr and Sn or any two independently selected suc... | 02/01/2005 |
| 6843842 | Glass coating agent and method for coating glass material using the same A glass coating agent is provided which is adapted for application onto the surface of a glass substrate and, upon heating, forms a metal oxide layer. The glass coating agent comprises a metallic compound represented by formula (I): R1k-m | 01/18/2005 |
| 6835792 | Solventless nontoxic high refractive index and low birefringence organic/inorganic hybrid materials Enclosed are high refractive index and low birefringence organic/inorganic hybrid materials useful for optical applications. They are prepared from solventless metal aliphatic acryl alkoxides. The metal acryl alkoxides are synthesized from exchanging acryl alcohol w... | 12/28/2004 |
| 6762314 | Organometallic compositions An organometallic composition is described which comprises a complex of at least one orthoester of a metal having a formula M(ROAcAc)x(OR′)y in which M is selected from the group consisting of titanium, zirconium and hafnium; ROAcAc denotes a... | 07/13/2004 |
| 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 |
| 6686489 | Metal organic precursors for transparent metal oxide thin films and method of making same A liquid precursor for forming a transparent metal oxide thin film comprises a first organic precursor compound. In one embodiment, the liquid precursor is for making a conductive thin film. In this embodiment, the liquid precursor contains a first metal ... | 02/03/2004 |
| 6627765 | Volatile organometallic complexes suitable for use in chemical vapor depositions on metal oxide films Novel ligated compounds of tin, titanium, and zinc are useful as metal oxide CVD precursor compounds without the detriments of extreme reactivity yet maintaining the ability to produce high quality metal oxide coating by contact with heated substrates.... | 09/30/2003 |
| 6552211 | Zirconium compound and electrophotographic toner employing it The present invention relates to a novel zirconium compound which is useful as a charge control agent for an electrophotographic toner. Further, it relates to an electrophotographic toner which contains said zirconium compound as a charge control agent.... | 04/22/2003 |
| 6531618 | Process for preparing water-soluble catalysts The invention relates to a process for preparing water-soluble organotin catalysts by contacting organotin compounds with polyelectrolytes and, optionally, subsequently removing the water.... | 03/11/2003 |
| 6492540 | Solventless nontoxic high refraction index and low birefringence organic/inorganic hybrid materials Enclosed are high refractive index and low birefringence organic/inorganic hybrid materials useful for optical applications. They are prepared from solventless metal aliphatic acryl alkoxides. The metal acryl alkoxides are synthesized from exchanging acry... | 12/10/2002 |
| 6410198 | Zirconium compound and electrophotographic toner employing it The present invention relates to a novel zirconium compound which is useful as a charge control agent for an electrophotographic toner. Further, it relates to an electrophotographic toner which contains said zirconium compound as a charge control agent.... | 06/25/2002 |
| 6376691 | Metal organic precursors for transparent metal oxide thin films and method of making same A liquid precursor for forming a transparent metal oxide thin film comprises a first organic precursor compound. In one embodiment, the liquid precursor is for making a conductive thin film. In this embodiment, the liquid precursor contains a first metal ... | 04/23/2002 |
| 6369255 | Titanate compounds The present invention relates to titanate compounds of the formula ##STR1## wherein R is selected from the group consisting of alkylene groups having from 1 to 15 carbon atoms and arylene and alkyl substituted arylene groups having from 6 to 10 carbon ato... | 04/09/2002 |
| 6316651 | Environmentally benign Group II and Group IV or V spin-on precursor materials The present invention is directed to the synthesis, processing and test of improved spin-on precursor materials comprising at least one Group II metal and at least one Group IV or Group V metal, useful for making thin oxide films, useful, for example, in ... | 11/13/2001 |
| 6303804 | Environmentally benign bismuth-containing spin-on precursor materials Metal acid salt complexes are provided comprising (1) a first metal ion consisting essentially of bismuth, and optionally, at least one second metal ion selected from the group consisting of barium, calcium, strontium, lead, titanium, tantalum, and niobiu... | 10/16/2001 |
| 6288255 | Organometallic compositions An organometallic composition comprises a complex of at least one metal selected from the group consisting of titanium, zirconium and hafnium and an acetoacetate ester in which the molar ratio of Ti or Hf to acetoacetate ester is in the range 1:2.5 to 1:1... | 09/11/2001 |
| 6214954 | Olefin polymerization catalyst Disclosed is an olefin polymerization catalyst comprising: a transition metal compound comprising one transition metal selected from the group consisting of Ti, Zr and Hf, and at least two ligands, wherein one ligand is a group having a cyclopentadienyl s... | 04/10/2001 |
| 6193950 | Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them Cascade polymers, containing complex-forming ligands, optionally at least five ions of an element of atomic numbers 21-29, 39, 42, 44 or 57-83, as well as, if desired, cations of inorganic and/or organic bases, amino acids or amino acid amides, are valuab... | 02/27/2001 |
| 6169119 | Metal oxide sols and process for making the same In one embodiment, the present invention relates to metal oxide sols comprising a liquid and a polycondensation product of about 2 to about 5,000 monomers of a partially hydrolyzed chelated metal oxide precursor. In another embodiment, the present inventi... | 01/02/2001 |
| 6099824 | Benzyloxy derivatives of DTPA for MRI Compounds which can chelate paramagnetic bi- and trivalent metal ions, their chelates with said metal ions and their use as contrast agents in magnetic resonance imaging (MRI), the compounds having formula (I) ##STR1## wherein R is a --(CH2 | 08/08/2000 |
| 6093824 | Catalyst for the production of olefin polymers A catalyst composition for the polymerization of olefins is provided, comprising a bis(hydroxy aromatic nitrogen ligand) transition metal catalyst precursor and an activating cocatalyst.... | 07/25/2000 |
| 6069109 | Process for the production of half-sandwich transition metal based catalyst precursors A process for the production of a catalyst precursor comprising reacting (a) a metallocene dihalide; (b) a compound of the formula: ##STR1## wherein each Q is the same or different and is independently selected from the group consisting of O, NR, CR | 05/30/2000 |
| 6060040 | Cross-linked polymeric compositions for increasing the MRI contrast in visualising the digestive tract of patients The invention provides, as contrast signal generators in MR imaging of the digestive tract, paramagnetic metal chelates of novel acrylic compounds of formula C(R1 R2).dbd.CR3 --CO--Z--A (1) and/or C(R1 R2 | 05/09/2000 |
| 6054600 | Non-toxic solvent soluble group IV and V metal acid salt complexes using polyether acid anhydrides Novel metal acid salt complexes are provided comprising (1) a metal selected from Group IV and Group V metals and (2) a polyether acid, along with a process for making the salt complexes. The process comprises: (a) preparing a polyether acid anhydride fro... | 04/25/2000 |
| 6054117 | Cascade polymer bound complexing compounds, their complexes and conjugates, process for their production, and pharmaceutical agents containing them Cascade polymers, containing complex-forming ligands, optionally at least five ions of an element of atomic numbers 21-29, 39, 42, 44 or 57-83, as well as, if desired, cations of inorganic and/or organic bases, amino acids or amino acid amides, are valuab... | 04/25/2000 |
| 6045776 | Process for the production of metal-complex carboxylic acid amides The invention relates to a process for the production of metal-complex carboxylic acid amides, characterized in that a metal-complex carboxylic acid mixture that consists of the metal-complex carboxylic acid and at least one solubilizing substance in dime... | 04/04/2000 |
| 6025503 | Process for producing optically active titanium alkoxide complexes Disclosed is a process for producing novel optically active titanium alkoxide complexes which are excellent in catalytic activity and enantio-selectivity in carbon-carbon bond forming reactions (for example, Ene reaction, hetero-Diels-Alder reaction, Aldo... | 02/15/2000 |
| 5998646 | Unsaturated organometallic compounds derived from titanium and process for their preparation These compounds are denoted by the formula (I): ##STR1## in which R denotes a tert-butyl, tert-amyl or 2-ethylhexyl radical. To prepare them, methacrylic acid is reacted with a tetraalkoxytitanium Ti(OR)4, where R=isopropyl or tert-butyl, ... | 12/07/1999 |
| 5990332 | Metal compound of aromatic hydroxycarboxylic acid, charge control agent, toner, and powdery paint Metal compound of formula [I] which is excellent in charge control or charge-enhancing property, and toner for developing electrostatic images and powdery paint for electrostatic painting incorporating thereof: ##STR1## wherein R1, R2... | 11/23/1999 |
| 5973175 | Hydrothermal process for making ultrafine metal oxide powders An ultrafine titanium dioxide powder is disclosed that can be produced by hydrothermal treating an amino titanium oxalate composition. Ultrafine titanium dioxide powders are useful in cosmetic and other applications for controlling exposure to ultraviolet... | 10/26/1999 |
| 5958372 | Low viscosity chelating polymers for diagnostic imaging Disclosed are linear and cross-linked polymers suitable for use as a contrast agent for magnetic resonance imaging containing units comprising the residue of a poly(amine) moiety linked to a chelating agent and to one or more pendant (poly)alkylene oxides... | 09/28/1999 |
