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Patent Searching and Data


Matches 401 - 450 out of 2,046

Document Document Title
WO/1998/041501A1
The invention provides a novel class of vitamin D related compounds, namely, the 2-alkylidene-19-nor-vitamin D derivatives, as well as a general method for their chemical synthesis. The compounds have the formula (I) where Y�1? and Y...  
WO/1998/039098A1
Catalytic systems and methods for oxidizing materials in the presence of metal catalysts (preferably manganese-containing catalysts) complexed with selected macropolycyclic rigid ligands, preferably cross-bridged macropolycyclic ligands....  
WO/1998/028807A1
The invention relates to a method and anode for improving power density of lithium secondary batteries, specially those containing solid polymer solutions. This is done by employing boric acid esters and/or boric acid derivatives or the ...  
WO/1998/027119A1
This invention relates to a dispersion of supported and nonsupported catalyst components comprising: (a) an ionic compound comprising (a)(1) a cation and (a)(2) an anion having up to 100 nonhydrogen atoms and the anion containing at leas...  
WO/1998/027103A1
Group 4 metal constrained geometry complexes comprising a fused ring indenyl derivative ligand, catalytic derivatives thereof, processes for preparing the same and their use as components of olefin polymerization catalysts are disclosed.  
WO/1998/022486A1
A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using said catalytic system are disclosed; the heterocyclic metallocenes correspond to the formul...  
WO/1998/017670A1
A pentafluorophenyl compound (1) is reacted with an alkyl lithium compound (6) in a reaction zone (5), preferably temperature controlled, under conditions such that only a small amount of a predetermined quantity of pentafluorophenyl lit...  
WO/1998/013371A1
The invention concerns a method for producing aluminum phosphinates of the general formula (I), in which R?1�, R?2� are identical or different, linear or branched and represent a C�1?-C�8?-alkyl or phenyl, in which the correspond...  
WO/1998/003521A1
The present invention relates, $i(inter alia), to methodologies for the synthesis, screening and characterization of organometallic compounds and catalysts (e.g., homogeneous catalysts). The methods of the present invention provide for t...  
WO/1998/003520A1
Novel Group 4 metal complexes wherein the metal is in the +2, +3, or +4 formal oxidation state containing two ligand groups bound by $g(p)-electrons, at least one of which is a cyclic or non-cyclic, non-aromatic, anionic, dienyl ligand g...  
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.  

Matches 401 - 450 out of 2,046