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Class 556/148 - Nitrogen containing (e.g., ferric chelates of ethylenediaminetetracetic acid, etc.)


Subclass of Class 556 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain nitrogen.
No. of patents: 215
Last issue date: 10/09/2007


1            
NumberTitleIssue Date
7279588Dinuclear metal complex and pyrophosphate assay using the same
A novel coordination complex formed by dinuclear metal complexation is provided. The complex is a dinuclear metal complex of a compound, wherein the compound comprises a conjugation ring system substituted with: a) an electron donating group selected from —OH, —...
10/09/2007
7268100Shale inhibition additive for oil/gas down hole fluids and methods for making and using same
An under-balanced drilling fluid additive is disclosed which reduces reactive shale and/or clay swelling during under-balanced drilling operations, where the additive includes an effective amount of a choline salt. A method for under-balanced drilling is also disclo...
09/11/2007
7253213Anionic and Lewis base photopolymerization process and its use for making optical articles
The invention relates to a process for polymerising a monomer, polymerizing and/or crosslinking an oligomer, or crosslinking a polymer or copolymer, said monomer, oligomer, polymer and copolymer being selected among precursor monomers, urethane, thiourethane and epi...
08/07/2007
7211682Aqueous solution of a sodium salt of HEDTA
The invention pertains to an aqueous solution of a sodium salt xNa+ yH+ of the chelating compound of formula I: wherein x=2.1–2.7, y=0.9–0.3, and x+y=3. The invention further pertains to...
05/01/2007
7045024Ferrate conversion coatings for metal substrates
A method employing oxide film conversion coatings prepared using ferrate (VI) as the oxidizing agent is disclosed. Metal substrates or surfaces, such as aluminum, aluminum alloys or other metals, are contacted with an aqueous solution comprising ferrate (VI) anions ...
05/16/2006
7034172Ferric and acid complex
A ferric and acid complex includes the reaction product of a chelant, iron oxide, a base, and a reaction promoter. The chelant has at least one carboxylic acid functionality. The reaction promoter has an Fe3+ ion. A process for preparing the ferric and ac...
04/25/2006
6992203Metal complexes produced by Maillard Reaction products
A method is disclosed for the formation of metal chelates which are able to remain stable in high alkaline environments when compared to metal chelates produced from a reaction with amino acids. The method involves the reaction of sugars, amino groups, and metal com...
01/31/2006
6911550Derivatives of seleno-amino acids with improved bioavailability and method for their preparation
Metal L-seleno-alpha-amino acids salts and their use as a bioavailable feed and water ration supplement for domesticated animals such as cattle, pigs and poultry. ...
06/28/2005
6906213Preparation of aminophosphines
Disclosed is a process for the preparation of phosphine-aminophosphines that are useful in the formation of catalysts useful in carrying out a wide variety of reactions such as asymmetric hydrogenations, asymmetric reductions, asymmetric hydroborations, asymmetric o...
06/14/2005
6906215Powdery s,s-ethylenediamine-n,n′-disuccinic acid iron complex and process for producing the same
There is provided a powdery S,S-EDDS iron complex improved in its caking property. An S,S-ethylenediamine-N,N′-disuccinic acid iron complex, which is crystalline and has an average particle diameter of from 10 to 1000 μm and a water content of not more than 7% by...
06/14/2005
6906212Phosphine-phosphoramidite compounds
Disclosed are novel phosphine-phosphoramidite compounds which may be employed in combination with a catalytically-active metal to effect a wide variety of reactions such as asymmetric hydrogenations, asymmetric reductions, asymmetric hydroborations, asymmetric olefi...
06/14/2005
6716814Enhancing solubility of iron amino acid chelates and iron proteinates
A method of enhancing the solubility of iron amino acid chelates and iron proteinates is disclosed. This is accomplished by mixing an effective amount of an organic acid solubilizing agent into existing iron amino acid chelates or iron proteinates. The iron amino ac...
04/06/2004
6710079Composition and method for preparing amino acid chelates and complexes free of interfering complex ions
A composition and method of preparing amino acid chelates and complexes free of interfering ions by blending an amino acid ligand, a calcium oxide and/or hydroxide, and a hydrated metal sulfate salt, placing the blend in a closed environment, heating the blend, and ...
03/23/2004
6670494Method 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
6590115Phosphino-aminophosphines
Disclosed are substantially enantiomerically pure bis-phosphine compounds comprising a substantially enantiomerically pure chiral backbone linking two phosphine residues wherein one of the phosphine residues has three phosphorus-carbon bonds and the other...
07/08/2003
6579904Process for making betaine transition metal complexes for use in animal feed supplements and compositions thereof
Betaine transition metal complexes are formed by: a) reacting a solution including an alkali metal salt of chloroacetic acid with a solution including the transition metal salt to give a solution including a chloroacetate transition metal complex; and b) ...
06/17/2003
6521773Extended organic cobalt and nickel magnetic complexes
Large cobalt and nickel complexes that may be linked to antibodies and other molecules are described. These may be useful in applications benefiting from their magnetic properties....
02/18/2003
6515159S,S-ethylenediamine-N,N'-disuccinic acid iron alkali salt and a process for production thereof
An S,S-ethylenediamine-N,N'-disuccinic acid iron alkali salt which contains a lactam compound represented by the following general formula (1): ##STR1## wherein M is an ammonium ion or an alkali metal ion, and an ethylenediaminemonosuccinic acid represent...
02/04/2003
6472548Process for preparing a complex of a ligand, metal and base
The present invention provides a process for the preparation of a chelant or chelating agent complex of the formula L.cndot.B.cndot.M. L is an amino acid derivative including two optically active amino acids are linked via a (CH2)n group, where...
10/29/2002
6458981Composition and method for preparing amino acid chelate hydroxides free of interfering ions
The present invention relates to compositions and methods of preparing amino acid chelates that are essentially free of interfering ions. The composition is prepared by reacting in an aqueous solution, a calcium oxide and/or hydroxide, an amino acid, and ...
10/01/2002
6458983Method for synthesizing complexes of platinum with iminoethers and their use as antitumoral drugs and nucleotide-base modifiers
A process for synthesizing complexes of platinum(II) with iminoethers having the formula: [PtII X2 (L)(L')], where X is a monoanionic ligand, L is an iminoether ligand and L' is an amine group or, exclusively for the case of cyclic i...
10/01/2002
6451940Catalysts for olefin polymerizations
Selected nickel complexes of the anions of certain 2-aminotropones are olefin polymerization catalysts. Novel 2-aminotropones and their nickel complexes are also disclosed together with methods of making these 2-aminotropones. Suitable complexes have the ...
09/17/2002
6426424Composition and method for preparing granular amino acid chelates and complexes
Compositions and methods of preparing amino acid chelates and complexes are disclosed and described. Specifically, by (a) blending hydrated metal sulfate salts, amino acid ligands, and reaction modifiers; (b) confining the particulate blend in an enclosed...
07/30/2002
6380278Polyurethane 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
6372932Porous solid products of 1,3,5-benzenetricarboxylate and metal ions
A solid product which is a porous chiral (10,3)-a network of 1,3,5-benzenetricarboxylate molecules of formula (I) where X is H, hydrocarbon, halide, etc, linked through metal atoms. Preferably the metal atoms are transition or lanthanide metal atoms carry...
04/16/2002
6340560Aminopolycarboxylic acid chelating agent, heavy metal chelate compound thereof, photographic additive and processing method
An aminopolycarboxylic acid compound represented by the following formula or analogous thereof: ##STR1## The aminopolycarboxylic acid compound of the present invention can be used as a chelating agent for various metals, which is excellent in the bio...
01/22/2002
6323354Amino acid chelates from lipoproteins
A method of preparing amino acid transition metal chelates a palatable highly bioavailable source of transition metals for animal nutrition from lipoproteins and transition metal salts. The method requires strong aqueous base hydrolysis of the lipoprotein...
11/27/2001
6303761Triaminepentaacetic acid compound and paramagnetic metal complex prepared from using the compound as ligand
The present invention provides a triaminepentaacetic acid compound which can be used as a ligand to coordinate to a metal ion to form a paramagnetic metal complex. The paramagnetic metal complex of the present invention can be used as a contrast agent for...
10/16/2001
6254850Metal complexes, suitable for use in diagnosis and therapy
The invention relates to diethylenetriaminepentaacetic acid derivatives, their complexes and complex salts, containing an element of atomic numbers 20-32, 39-51 or 57-83, pharmaceutical agents containing these compounds, their use as contrast media and an...
07/03/2001
6193950Cascade 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
6177581Mixed-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
6150547Iron-casein complex hydrolyzate and process for the production thereof
This invention provides carbonic acid- and/or hydrogencarbonic acid-iron-hydrolyzates of casein complexes containing a large amount of iron, without causing precipitation after heating their aqueous solution or astringent taste and the processes for produ...
11/21/2000
6124258Iron-casein complex and process for preparing the same
Iron-casein complexes and methods for preparation thereof without iron characteristic astringent taste even by heat sterilization and having high iron supplying effect. The iron-casein complexes can be obtained by mixing three components of solution A con...
09/26/2000
6114379Bioavailable chelates of creatine and essential metals
A chelate comprised of creatine bonded to an essential mineral selected from the group consisting of Mg, Ca, Cu, Zn, Fe, Cr, Co, Mo, Se and Mn to form a heterocyclic ring. Preferably, the metal is Mg, but Ca, Zn, Fe, Cr and Mn are also preferred. The crea...
09/05/2000
6099824Benzyloxy 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
6060040Cross-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
6054117Cascade 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
6045776Process 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
6040432Metal complexes, of DTPA derivatives suitable for use in diagnosis and therapy
The invention relates to diethylenetriaminepentaacetic acid derivatives, their complexes and complex salts, containing an element of atomic numbers 20-32, 39-51 or 57-83, pharmaceutical agents containing these compounds, their use as contrast media and an...
03/21/2000
6020294Automatic dishwashing compositions comprising cobalt chelated catalysts
Automatic dishwashing detergent compositions comprising certain cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits (especially tea stain removal) t...
02/01/2000
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