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Patent Searching and Data


Matches 401 - 450 out of 2,002

Document Document Title
WO/1998/001483A1
Cycloolefin copolymers for use in optical data memories can be produced by (co)polymerising monomers from the group of cyclic olefins, of $g(a)-olefins with 2 or more C atoms and optionally conjugated or unconjugated diolefins, wherein m...  
WO/1998/001487A1
Elastomers can be produced by (co)polymerising monomers from the group of C�2?-C�8?-$g(a)-olefins, C�4?-C�15?-diolefins and other monomers in the solid phase, in solution, as a slurry or in gas phase where metallocene compounds o...  
WO/1998/001485A1
High melting-point polyolefins can be produced as such, in solution, suspension or gas phase, metallocene compounds of formula (I) or $g(p)-complex compounds of formulas (I) or (XIII) being used as catalysts. In said formulas: CpI and Cp...  
WO/1998/001484A1
Cycloolefin copolymers for technical applications except for using in optical data storage devices can be produced by (co)polymerising monomers from the group of cyclic olefins, of $g(a)-olefins with 2 or more C atoms and conjugated or u...  
WO/1998/001456A1
The invention relates to new transition metal compounds useful as olefin polymerization catalysts. They are characterized by the formula (V) (E) (W)M(L), in which M is a transition metal, V, E, and W, is e.g. alkyl, and L is a ligand whi...  
WO/1998/001486A1
Thermoplastic elastomers can be produced by (co)polymerising monomers from the group of C�2?-C�8?-$g(a)-olefins, C�4?-C�15?-dioledins and other monomers in the solid phase, in solution, as slurry or in the gas phase where metallo...  
WO/1997/047630A1
The invention relates to a process for preparing triorganylstannyl lithium compounds from bis-triorganylstannyl oxides R3Sn-O-SnR3, and use of said triorganylstannyl lithium compounds. According to said process, the bis-triorganylstannyl...  
WO/1997/042197A1
The invention discloses new compounds having one group 13 element, bound with one mono- or di-anionic tridentate ligand, a method of preparation thereof, particularly as a (co)polymerisation catalyst.  
WO/1997/042157A1
Process for the substitution of a cyclopentadiene with at least one amine-containing substituent by deprotonating a cyclopentadiene compound by reaction with a base, sodium or potassium and then reacting the resulting cyclopendadienyl an...  
WO/1997/035867A1
Metal complexes, addition polymerisation catalysts containing the same and olefin polymerisation processes using the same comprising a boratabenzene group or divalent derivative thereof are disclosed.  
WO/1997/033877A1
Bioconjugates of low molecular weight mimics of superoxide dismutase (SOD) represented by formula (I) wherein R, R', R1, R'1, R2, R'2, R3, R'3, R4, R'4, R5, R'5, R6, R'6, R7, R'7, R8, R'8, R9, R'9, X, Y, Z, M and n are as defined herein,...  
WO/1997/023493A1
The present invention relates to a compound having the formula (I): LnAmMXk, wherein L is a boratabenzene ligand of formula (II), wherein the radicals R are identical or different and are each a hydrogen atom, a C1-C10-group, A is a 'pi'...  
WO/1997/023512A1
The present invention relates to a compound with the general formula (I): LnAmMXk, in which L is a borata benzene ligand of the general formula (II), in which the radicals R are identical or different and are a hydrogen atom or a C1-C10-...  
WO/1997/023492A1
The invention relates to metal complexes of the general formula (I) or (I') which are suitable for the oligomerisation and polymerisation of olefinically unsaturated compounds, and for the copolymerisation thereof with carbon monoxide. I...  
WO/1997/020790A1
The invention concerns solutions of alkoxides containing titanium and/or zirconium and/or hafnium and magnesium and/or calcium and/or strontium and/or barium of general formula (I): [MII(OR)2-y(OR1)y]n.[MIV(OR1)4-z(OR)z], in which: MII m...  
WO/1997/015602A1
Metal complexes useful as olefin polymerization catalysts corresponding to formula (I), wherein L is a delocalized, 'pi'-bonded group that is bound to M, containing up to 50 nonhydrogen atoms; M is a metal of Group 3, 4 or the Lanthanide...  
WO/1997/015583A1
Group 4 metal complexes comprising an indenyl group substituted in the 2 or 3 position with at least one group selected from hydrocarbyl, perfluoro substituted hydrocarbyl, silyl, germyl and mixtures thereof, said indenyl group further b...  
WO/1997/014500A1
The invention relates to a chiral solid catalyst, comprising an acid BEA topology zeolite provided with a metal-binap complex, and to a process for the production of substantially enantiomerically pure products from prochiral starting ma...  
WO1996040273A3  
WO/1997/009337A1
The invention concerns metallocene-phosphoramidite conjugates comprising one or a plurality of metallocenes and one or a plurality of phosphoramidites. The invention further concerns a process for preparing the metallocene-phosphoramidit...  
WO/1997/006185A1
Ruthenium and osmium carbene compounds that are stable in the presence of a variety of functional groups can be used to catalyze olefin metathesis reactions on unstrained cyclic and acyclic olefins are disclosed. Also disclosed are metho...  
WO/1997/000132A1
The invention concerns cobalt carbonyl catalysts of formula (I) in which R stands for -CH(CH2OCH2CH2)2 or -C2H4(OCH2CH2)nOY, wherein n = 1 to 12 and Y = H or CH3. The invention further concerns a process for their preparation and their u...  
WO/1996/040690A1
A metalorganic complex of the formula MAYX, wherein M is a y-valent metal; A is a monodentate or multidentate organic ligand coordinated to M which allows complexing of MAy with X; y is an integer having a value of 2, 3 or 4; each of the...  
WO/1996/040273A2
This invention relates to new oligonucleotide conjugates, which contain a coated chemically modified ferrite as signal-transmitting group, on which oligonucleotides are bound by connecting components. In this case, the oligonucleotides a...  
WO/1996/034021A1
Disclosed is a catalyst having general formula (I) where L is a ligand having formula (a). L' is L, Cp, Cp*, indenyl, fluorenyl, NR2, OR, or halogen, L can be bridged to L'; X is halogen, NR2, OR, or alkyl from C1 to C12, M is zirconium ...  
WO/1996/008503A1
A compound of formula (I) or salts thereof, where Ro is hydrogen or together with R7O denotes a C1-C15 hydrocarbylidenedioxy group, R1 is hydrogen, R1a or a group of formula (II), R1a is R1b or a protecting group Q, R1b is C1-C20 alkyl, ...  
WO/1996/003410A1
The present invention concerns novel hydrophilic metal complexes and the use thereof as luminescent marker groups in immunoassays.  
WO/1996/003409A1
The present invention concerns novel metal complexes with charged linker and the use of such complexes as luminescent marker groups in immunoassays.  
WO/1995/029669A2
A compound and method of making a compound for use as a diagnostic or therapeutic pharmaceutical comprises either a phosphorous or germanium core and at least two hydrazine groups forming a ligand for bonding to a metal extending from th...  
WO/1994/024137A1
A process for the asymmetric hydrogenation of furoimidazole derivatives of general formula (I) with hydrogen in the presence of a homogeneous catalyst to give the corresponding diastereomeric dihydrofuroimidazole derivatives of general f...  
WO/1994/017083A1
A compound which is, or which contains at least two repeating units, represented by formula (1): (LnMn1)n2An3 or by formula (2): (LnMn1)n2L'n4An3 wherein L and L' are the same or different bis-lactam ligand represented by formula (3) or ...  
WO1994006809A3  
WO/1994/006809A2
Novel pharmaceutical compositions contain as active principle an association of a tannin or tannin mixture and a metal derivative having a degree of oxidation of at least 3, said metal being selected from: V, Nb, Cr, Mo, W, Mn, Co, Ru, P...  
WO/1994/004141A1
Vitamin and mineral absorption in warm-blooded animals is promoted by means of a class of vitamin chelates where at least one of the bonds between the metal ion and the vitamin ligand is formed between the ion and an electron rich pi-clo...  
WO/1994/005025A1
A photovoltaic cell comprising an electrically conductive element to which one or more titanium dioxide layers have been applied, to which titanium dioxide layers a photosensitizer having at least one interlocking group (preferably a COO...  
WO/1993/022670A1
Methods of providing an image of the gastrointestinal region of a patient and diagnosing the presence of any tumorous tissue in that region using contrast media comprising a combination of at least one polyphosphorylated aliphatic or pol...  
WO/1993/020088A1
Mixed ligand metal complexes of nitric oxide-nucleophile adducts, useful as cardiovascular agents of the formula KA, wherein A is [(M)x'x(L)y(R1R2N-N2O2)z], and M is a pharmaceutilcally acceptable metal, or where x is at least two, M may...  
WO1992020650A3  
WO/1993/003839A1
This invention relates to asymmetric syntheses in which a prochiral or chiral compound is contacted in the presence of an optically active metal-ligand complex catalyst to produce an optically active product.  
WO/1993/001199A1
This invention relates to novel chiral 1,4-diol cyclic sulfates and their use as precursors in the preparation of chiral phospholane ligands, and chiral complexes useful as catalysts for carrying out enantioselective reactions.  
WO1992019573A3  
WO/1992/020650A2
Phosphite-borane compounds of formula (I) wherein each R1 is independently selected from: H; C1-C10 alkyl; alkylaryl; aralkyl; aryl; monovalent metal ions; nucleosides; and quaternary ammonium ions, (R4)4N+, in which the substituents R4 ...  
WO/1992/019235A2
A compound and method of making a compound for use as a diagnostic or therapeutic pharmaceutical comprises either a phosphorous or germanium core and at least two hydrazine groups forming a ligand for bonding to a metal extending from th...  
WO/1992/019573A2
A compound and method of making a compound for use as a diagnostic or therapeutic pharmaceutical comprises either a phosphorous or germanium core and at least two hydrazine groups forming a ligand for bonding to a metal extending from th...  
WO/1991/014694A1
Chiral catalysts for enantioselectively epoxidizing a prochiral olefin are disclosed, together with methods of using such catalysts. In accordance with one aspect of the invention, the catalyst is a salen derivative which has general str...  
WO/1991/006688A1
The invention comprises applying to a substrate a precursor of an organo-metallic compound, the precursor preferably consists of one or more pairs of ligand substituted Group III and V elements. The precursor is decomposed and deposits o...  
WO/1991/005762A1
There are disclosed polychelant compounds, that is multi-site metal chelating agents, and chelates formed therewith. The polychelants and especially their paramagnetic metal, heavy metal or radioactive metal polychelates are particularly...  
WO/1991/003262A1
Novel complexes of technetium (99Tc or 99mTc) which contain the moiety Tc=NR, Tc-N=NY or Tc(-N=NY)2, and a ligand which confers biological target-seeking properties on the complex, wherein R represents an aryl group, a substituted or uns...  
WO/1990/007342A1
The present invention is directed to a novel process for preparing isothiocyanate functionalized chelates by reacting amino functionalized chelates with thiophosgene.  
WO/1990/005115A1
Diphosphonic acids and their derivatives such as vinylidene-1,1-diphosphonic acid and 1,2-dihydroxyethane-1,1-diphosphonic acid complex metal ions, especially in II-VI oxidation states, to form water soluble complexes especially in stron...  

Matches 401 - 450 out of 2,002