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6759403 |
Metalloporphyrins and their uses as radiosensitizers for radiation therapy
The present invention covers radiosensitizers containing as an active ingredient halogenated derivatives of boronated porphyrins containing multiple carborane cages having the structure which...
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6753436 |
Olefin polymerization catalysts
The invention concerns olefin polymerization catalyst component comprising an organometallic compound of general formula I wherein: M is a transition metal of groups 3, 4-10, lanthanide or...
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6719958 |
Polychelants, their complexes with metal ions, their preparation and their uses
A new class of polychelants, their chelates with metal ions and their physiologically acceptable salts, useful, either as they are or in association or formulation with other components, for...
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6716927 |
Perovskite-type organic/inorganic lamellar polymer
Amines having an unsaturated bond can be introduced into the organic layer of organic-inorganic laminar perovskite compounds comprising a metal halide and an organic amine, and the organic layer...
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6716787 |
Polymerisation catalyst
A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts.
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6706249 |
Composite polybasic salt, process for producing the same, and use
A composite metal polybasic salt containing a trivalent metal and magnesium as metal components and having a novel crystal structure, and a method of preparing the same. The invention further deals...
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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...
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6696532 |
Phosphinimine methanide transition metal catalysts
The present invention relates to novel complexes of (transition) metals containing ligands having phosphinimine centers bonded to the (transition) metal.
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6693153 |
Catalyst system for the polymerization of alkenes to polyolefins
The invention provides metallocene catalyst systems for the controlled polymerization of alkenes to a wide variety of polyolefins and olefin coplymers. Catalyst systems are provided that...
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6683140 |
Catalyst for polymerization
A catalyst in a solid state for polymerization of a conjugated diene or copolymerization of a conjugated diene and an aromatic vinyl compound, which comprises a metallocene-type cation complex of a...
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6664380 |
Perfluorosulfonylmethide compounds; use thereof for carbon-carbon bond formation
Free perfluorosulfonylmethide compounds and metal salts thereof show strong catalytic activity in carbon-carbon bond formation reactions, in amounts as low as 0.1 mole %. Fluorous media may be...
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RE38329 |
Chelated complexes of paramagnetic metals with low toxicity
Compounds of formula (I) and (II) wherein the R, R 1 , R 2 , R 3 and R 4 groups have the meanings defined in the disclosure, are useful chelants for metal ions. The complexes of compounds (I)...
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6642376 |
Rational synthesis of heteroleptic lanthanide sandwich coordination complexes
A half-sandwich coordination complex, useful for the synthesis of triple-decker sandwich coordination compounds, is produced by reacting a precursor complex of the formula XM(R 1 ) 2 wherein X is...
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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...
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6635235 |
Bifunctional chelating agent for the design and development of site specific radiopharmaceuticals and biomolecule conjugation strategy
There is provided a method of labeling a biomolecule with a transition metal or radiometal in a site specific manner to produce a diagnostic or therapeutic pharmaceutical compound by synthesizing a...
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6566544 |
Catalysts for thermoplastic elastomeric olefin polymers
This invention is directed to novel catalysts the structure and activity of which can be controlled to produce a wide range of alpha olefin polymers and co-polymers, and preferably for the...
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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...
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6504015 |
Tetrahydrofuran-adducted group II β-diketonate complexes as source reagents for chemical vapor deposition
Group II metal MOCVD precursor compositions are described having utility for MOCVD of the corresponding Group II metal-containing films. The complexes are Group II metal β-diketonate adducts of...
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6495669 |
Formation of nanometer-scale structures
Amphiphilic, polyhedron-shaped p-sulfonatocalix[4]arene building blocks, which have been shown previously to assemble into bilayers in an antiparallel fashion, assemble in a parallel alignment into...
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6492526 |
Divalent lanthanide metal complexes
Organometallic complexes comprising a divalent lanthanide metal cation complexed with from one to three polydentate ligands which preferably contain one or more pyrazolyl groups, such as...
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6479646 |
Metallocene compounds having indenyl ligand and catalysts for olefin polymerization containing the same
A metallocene compound having an indenyl ligand substituted by a heteroaromatic group, which is useful as an olefin polymerization catalyst. The metallocene compound has the following structure ...
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6471942 |
Imaging and treatment method for body
A method for imagining and treating a body employing at least one trimetallic nitride template endohedral metallofullerene compound is disclosed. The compound has at least one diagnostic and at...
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6468502 |
Metal complexes that contain perfluoroalkly, process for their production and their use in NMR diagnosis
The invention relates to new, monomeric, perfluoroalkyl-substituted metal complexes, processes for their production, and their use in diagnosis and therapy. The compounds according to the...
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6462192 |
Processes for large scale production of tetrapyrroles
Processes for the large scale production of tetrapyrrolic compounds useful as photosensitizers in photodynamic therapy, such as meso-formyl porphyrins, meso-acrylate porphyrins, purpurins and...
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6461588 |
Use of bile acid conjugates, derivatives thereof with metal complexes as blood pool agents for nuclear magnetic resonance diagnostics
Blood pool imaging contrast agents containing paramagnetic bi- and tri-valent metal ion chelates of bile acid conjugates with molecules having chelating activity are used in magnetic resonance...
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6455717 |
Metal complexes with chelating O-and/or N-donor ligands
A method of forming a film on a substrate using one or more complexes containing one or more chelating O- and/or N-donor ligands. The complexes and methods are particularly suitable for the...
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6441211 |
Preparation of transition-metal-alkyl-complexes carrying a bidentate, dianionic ligand
A new process, particularly simple, convenient and practical, for the direct synthesis of organometallic compounds of formula(I): (A)(ZR 1 m ) n (A′)ML p L′ q (I) wherein (ZR 1 m ) n is a...
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6433203 |
Bridged metallocenes, preparation, use in catalytic systems
Metallocene compounds having the general formula (I): R 1 are hydrocarbon groups, R 2 are hydrogen or hydrocarbon groups; M is a transition metal of group 3, 4, 5, 6 or to the lanthanide or...
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6423659 |
&pgr -complex compounds
π-complex compounds and in particular metallocene compounds of formula (Ia)(Ib), in which πI and πII represent π-systems, D designates a donor atom and A designates an acceptor atom, D and A...
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6403772 |
Open-pentadienyl metallocenes, precursors thereof and polymerization catalysts therefrom
New metallocene compounds are described where the ligand contains at least one open-pentadienyl containing radical characterized by a cyclic or acyclic, six π electron, delocalized, five atomic...
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6384229 |
Transition metal complexes containing neutral, multidentate azacyclic ligands
Neutral, multidentate azacyclic ligands and Group 3-10 transition metal complexes that contain them are disclosed. The ligands have the general formula: R a —A—(L) b where R is hydrogen or...
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6384027 |
Phthalocyanine analogs
Disclosed are compounds of formula V wherein M is selected from: a metal atom; a metal compound; 2H whereby one H is bonded to each of the two nitrogen atoms depicted as being bonded to M...
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6376483 |
Bacteriochlorins and bacteriopurpurins useful as photoselective compounds for photodynamic therapy and a process for their production
Bacteriochlorins and bacteriopurpurins useful for photodynamic therapy and methods for their manufacture are described herein. Methods for producing the claimed compounds include contacting...
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6372932 |
Porous 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...
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6362175 |
Porphyrin compounds for imaging tissue oxygen
Methods and compounds for the measurement in vivo of oxygen in living tissue. The compounds preferably comprise a substituted porphyrin which is soluble in aqueous solution which is capable of...
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6359159 |
MOCVD precursors based on organometalloid ligands
Chemical vapor deposition processes utilize as precursors volatile metal complexes with ligands containing metalloid elements silicon, germanium, tin or lead.
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6344360 |
Detection of analytes by fluorescent lanthanide metal chelate complexes containing substituted ligands
Compositions and methods for determining the presence or concentration of an analyte in a sample by exposing the sample to an indicator molecule comprising a fluorescent lanthanide metal chelate...
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6342622 |
Indenyl compounds for the polymerization of olefins
Indenyl compound of formula (1) wherein: M is a transition metal from the lanthanides or from group 3, 4, 5 or 6 of the Periodic System of Elements, Q is an anionic ligand to M, k is the number...
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6340747 |
Fluorescent conjugates of nucleosides or nucleotides, process for their preparation and their uses
The invention relates to novel fluorescent conjugates of nucleosides or nucleotides which can be used especially for detecting, locating and/or isolating nucleic acids or molecules of biological or...
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6337944 |
Polymeric optical waveguide doped with a lanthanide-sensitizer complex
The invention relates to a polymeric waveguide comprising a lanthanide ion-sensitizer complex, characterized in that the lanthanide ion is preferably neodymium(III) ion (Nd 3+ ), ytterbium(III) ion...
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6329541 |
Organo omega-alkenyl cyclopentacarbyl silane-bridged metallocene compounds
An (organo) ((omega-alkenyl) cyclopentacarbyl) (silane-bridged) metallocene compound is provided. Polymerization processes therewith are also provided.
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6312664 |
Biodegradable contrast media for MR imaging
A macromolecular contrast agent for magnetic resonance imaging of the vascular system is constructed of a polymeric backbone structure with a plurality of spacer arms bonded to the backbone...
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6313331 |
Carbene transition metal catalysts
The present invention relates to novel complexes of (transition) metals containing ligands having phosphorus centers supporting a carbene structure or heteroalkane radical bonded to the...
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6303761 |
Triaminepentaacetic 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...
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6303760 |
Endohedral metallofullerenes and method for making the same
A family of trimetallic nitride endohedral metallofullerenes and their preparation are described. The trimetallic nitride endohedral metallofullerenes have the general formula A 3 -n X n C m ...
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6300481 |
Rare earth complexes
The present invention provides an optically functional material comprising a rare-earth complex represented by the formula (I) ##STR1## wherein M is a rare-earth atom, n 1 is 2 or 3, n 2 is 2, 3...
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6291655 |
Binuclear metal hydride complexes as catalysts for the (co)polymerization of polar monomers
In binuclear metal hydride complexes of the formuula (I) ##STR1## the substituents and indices have the following meanings: M is scandium, yttrium, lanthanum or a lanthanide metal, R is...
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6284220 |
Noninvasive imaging of nucleic acid vectors
Nucleic acid-imaging compositions and methods for noninvasive imaging of a nucleic acid introduced into somatic tissues of an animal or human are disclosed. The noninvasive imaging enables...
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6255508 |
Process for preparing a methylene-bridged biscyclopentadienyl compound
The present invention relates to a process for preparing a methylene-bridged biscyclopentadienyl compound having the formula I ##STR1## where L are, independently of one another, identical or...
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6252098 |
Enhanced synthesis of racemic metallocenes
Chiral metallocenes are prepared by reacting a salt of an asymmetric bis(cyclopentadienyl)-moiety-containing ligand with a tertiary heteroaromiatic amine adduct of a transition, lanthanide, or...
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