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| Number | Title | Issue Date |
| 7211235 | Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ... | 05/01/2007 |
| 7005521 | Catalytic compositions and methods for asymmetric allylic alkylation Complexes of a selected class of chiral ligands with molybdenum, tungsten or chromium, preferably molybdenum, are effective as catalysts in highly enantioselective and regioselective alkylation of allylic substrates. Such compositions provide a versatile and low-cos... | 02/28/2006 |
| 6670494 | Method for preparation of metal organic acid chelates A method is disclosed where organic acid chelates can be made by reacting an organic acid ligand with a metal compound in a non aqueous environment. The chelate is thereafter recovered by means of filtration or evaporation.... | 12/30/2003 |
| 6517795 | Process for producing hydrotalcites and the metal oxides thereof A process for producing high-purity hydrotalcites by reacting alcohols or alcohol mixtures with at least one or more divalent metal(s) and at least one or more trivalent metal(s) and hydrolyzing the resultant alcoholate mixture with water. The correspondi... | 02/11/2003 |
| 6180764 | Process for producing hydrotalcites by hydrolyzing metal alcoholates A process for producing high-purity hydrotalcites by reacting alcohols or alcohol mixtures with at least one or more divalent metal(s) and at least one or more trivalent metal(s) and hydrolysing the resultant alcoholate mixture with water. The correspondi... | 01/30/2001 |
| 6177581 | Mixed-metal chelates and process for the preparation thereof Mixed-metal chelates represented by the following general formula CaM(III)EDTA(OH).xH2 O wherein M is a trivalent transition metal and x is 0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, or 8 and a process for their preparation are ... | 01/23/2001 |
| 6060615 | Positively-chargeable charge control agent and toner for developing electrostatic images Positively-chargeable charge control agent and toner for developing electrostatic images that comprises a coloring agent, a resin for toners, and said positively-chargeable charge control agent. The positively-chargeable charge control agent comprises a m... | 05/09/2000 |
| 5777058 | Metallo-oxomeric scrubber compositions Scavengers for removing acidic or corrosive gaseous components from semiconductor process effluents comprising a metallic macromer comprising a coordinated complex of (i) metal coordination atoms linked to (ii) oxomeric moieties selected from the group co... | 07/07/1998 |
| 5776424 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalen inorganic anions There is provided a method for making a monovalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite ... | 07/07/1998 |
| 5730951 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with polyvalent inorganic anions There is provided a method for making a polyvalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite ... | 03/24/1998 |
| 5728363 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds There is provided an improved method for making synthetic hydrotalcite by first reacting powdered magnesium oxide with a high surface area, transition alumina in a solution or suspension to form a meixnerite-like intermediate. This intermediate is then co... | 03/17/1998 |
| 5728364 | Two powder synthesis of hydrotalcite and hydrotalcite like compounds There is provided an improved method for making synthetic hydrotalcite by first reacting a divalent metal compound with a trivalent metal oxide powder in a carboxylic acid-free, aqueous solution or suspension to form an intermediate. This intermediate is ... | 03/17/1998 |
| 5728365 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with divalent inorganic anions There is provided a method for making a divalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free aqueous suspension to form a meixnerite inte... | 03/17/1998 |
| 5728366 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalent organic anions There is provided a method for making monovalent organic anion-intercalated hydrotalcite-like materials by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite inte... | 03/17/1998 |
| 5676923 | Substituted DTPA monoamides of the central carboxylic acid group and their metal complexes Diethylenetriaminepentaacetic acid monoamide derivatives, their complexes and complex salts, containing an element of atomic numbers 21-29, 31, 32, 39, 42-44, 49 or 57-83, pharmaceutical agents containing these compounds, their use as contrast media and p... | 10/14/1997 |
| 5596016 | 1,2-disubstituted aromatic chelates Mineral absorption is promoted in warm-blooded animals by means of a class of 1,2-disubstituted aromatic mineral chelates wherein the 1 and 2 substituents each donates a pair of electrons to a metal ion for formation of a five-member chelate ring. 2-Alkox... | 01/21/1997 |
| 5578286 | Two powder synthesis of hydrotalcite-like compounds with divalent or polyvalent organic anions There is provided a method for making a divalent or polyvalent organic anion-intercalated hydrotalcite-like materials by first reacting a magnesium-containing powder and a transition alumina powder in an aqueous suspension to form a meixnerite intermediat... | 11/26/1996 |
| 5384108 | Magnetic resonance imaging agents Novel magnetic resonance imaging agents comprise complexes of paramagnetic ions with hydrazide derivatives of polyaminocarboxylic acid chelating agents. The complexes are represented by the formula of: ##STR1## wherein A is --CHR2 --CHR | 01/24/1995 |
| 5138040 | Composition for magnetic resonance imaging Methods and compositions for enhancing magnetic resonance imaging in at least a portion of a warm-blooded animal.... | 08/11/1992 |
| 5132409 | Macrocyclic chelating agents and chelates thereof Macrocyclic derivatives of 1,4,7,10-tetraazacyclododecane of general formula (I) hereinbelow, wherein A is a group of formula (II) hereinbelow, in which R is H or alkyl or optionally substituted benzyl or a H(OCH2 CH2)1-4-... | 07/21/1992 |
| 5000916 | Molybdate-gluconate corrosion inhibitor Directed to a new molybdenum carboxylic compound and the use thereof as a corrosion inhibitor of steel and other metals particularly in cooling water.... | 03/19/1991 |
| 4760170 | Solution process for preparing metal salt esters of hydrocarbyl substituted succinic acid or anhydride and alkanols A solution process is disclosed for preparing a solubilized metal salt ester by reacting an ester compound, such as 2,2'-thiodiethyl-bis (octadecenyl) succinate ester, with a metal carboxylate, such as calcium acetate, in the process of a mixture of (a) a... | 07/26/1988 |
| 4618568 | Chemical metallization process with radiation sensitive chromium (III) complex The present invention relates to a chemical metallization process, particularly for the spatially selective metallization of electrically insulating surfaces. This process employs a chemically stable, radiation sensitive sensitizer layer which contains ch... | 10/21/1986 |
| 4594230 | Recovery of cobalt A process is disclosed for recovering cobalt in a relatively pure form from an impure cobalt bearing material. The process involves digesting the material in hydrochloric acid to form a solution essentially all of the cobalt and some impurities and insolu... | 06/10/1986 |
| 4490298 | Method of isolating cobalt and/or manganese as oxalates In a process for the isolation of cobalt and/or manganese in the form of precipitated, easily filtrable cobalt and/or manganese oxalates from acetic acid solutions or extracts, the solutions in question are treated with oxalic acid dimethyl or diethyl est... | 12/25/1984 |
| 4471130 | Method for asymmetric epoxidation Methods and compositions are provided for asymmetrically donating an oxygen atom to a pair of electrons to produce an asymmetric product. Specifically, a metal alkoxide is used as a catalyst, where the metal has a coordination number of at least four, and... | 09/11/1984 |
| 4464436 | Chromic acid-ionic ethylenically unsaturated complexes and polymers containing the same An unsaturated ionic dimer of chromic acid with monoethylenically unsaturated monomer containing a single amine group is disclosed which can be incorporated into liquid coating compositions containing ultraviolet-curable polyethylenically unsaturated mate... | 08/07/1984 |
| 4425278 | Complex compounds, process for their preparation, and their use A complex compound of a metal salt or metalloid salt and an ansolvo-acid or proton-acid, of the general formula I in which M is a m-valent cation of a metal or metalloid, a metal-oxy or metal-dioxy cation or a hydrogen atom, X is a n-valent anion of a n-basic ... | 01/10/1984 |
| 4404408 | Complexed compounds, processes for their manufacture and their use Metal or metalloid salts, ansolvo-acids and proton-acids can be so complexed with 1,2,3-triols, glycerol ethers or glycerol thioethers containing at least 6 C atoms in the molecule that they are in the form of compositions which are soluble in organic sol... | 09/13/1983 |
| 4351814 | Hydrotalcites having a hexagonal needle-like crystal structure and process for production thereof Fibrous hydrotalcites having a hexagonal needle-like crystal structure. The fibrous hydrotalcites are produced by contacting a basic magnesium compound having a needle-like crystal structure and expressed by the following formula (2) wherein An... | 09/28/1982 |
| 4343745 | Process for solubilizing organic or mineral salts in organic solvents The invention provides a process for solubilizing an organic or mineral salt in an organic solvent, said process comprising contacting an organic or mineral salt of the formula A- M+, wherein A- represents a mineral or org... | 08/10/1982 |
| 4292186 | Metal complexes of alkylsuccinic compounds as lubricant and fuel additives Fluid compositions containing a lubricant or liquid hydrocarbon fuel and a minor amount of a complex salt containing a 5- or 6-member ring are provided. These derivatives are made by complexing (1) the reaction product of an alcohol or an aminoalcohol wit... | 09/29/1981 |
| 4283295 | Process for preparing a sulfurized molybdenum-containing composition and lubricating oil containing said composition Antioxidant additives for lubricating oil are prepared by combining a polar promoter, ammonium tetrathiomolybdate, and a basic nitrogen compound complex to form a sulfur- and molybdenum-containing composition.... | 08/11/1981 |
| 4278610 | Method of making an organic metal salt or complex A method of making an organic metal salt or complex is disclosed by reacting a heavy metal hydroxide with an organic Lewis acid or salt thereof in the presence of a gaseous catalyst such as a form of CO2. The reaction may be controlled by the a... | 07/14/1981 |
| 4266945 | Molybdenum-containing compositions and lubricants and fuels containing them Molybdenum-containing compositions are prepared by the reaction of an acid of molybdenum or salt thereof, phenol or aldehyde condensation product therewith, and a primary or secondary amine. The preferred amines are diamines such as tallow-substituted tri... | 05/12/1981 |
| 4239633 | Molybdenum complexes of ashless polyol ester dispersants as friction-reducing antiwear additives for lubricating oils An oil-soluble molybdenum complex of an ashless polyol ester dispersant, preferably of oil-soluble reaction product of a molybdenum compound such as molybdic acid with about 1 to 2 molar equivalents of a polyol ester of a hydrocarbon substituted diacid ma... | 12/16/1980 |
| 4171300 | Process for the manufacture of metal complex dyes A process for the manufacture of metal complex dyes, wherein a metallisable dye is reacted with a metal compound in a solvent and in the presence of a hydroxycarboxylate.... | 10/16/1979 |
| 4169827 | Flame resistant and self-extinguishing polymer compositions Flame retardant, and under some conditions self-extinguishing synthetic polymers are made by the addition thereto of a complex salt of an alkali aluminum acid of the formula: wherein Me represents Li, Na, K, Rb, Cs or NH4, MeII represents... | 10/02/1979 |
| 4141911 | Production of polynuclear dicarboxylatotetrachromium (III) complexes Polynuclear dicarboxylatotetrachromium (III) complexes are produced by reacting a dicarboxylic acid with a monobasic chromic (III) salt in a proportion of 4 moles of monobasic chromic (III) salt to 1 mole of dicarboxylic acid. Surface treating agents comp... | 02/27/1979 |
| 4129510 | Sulfur-containing compounds and lubricants and fuels containing them Sulfur-containing compounds of the formula ##STR1## WHEREIN R is a hydrocarbyl radical; each of R1, R2, R3 and R4 is independently hydrogen or a hydrocarbyl radical; m' is from one to about five; and each A... | 12/12/1978 |
