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Patent Searching and Data


Matches 351 - 400 out of 2,011

Document Document Title
WO/2000/066648A1
The invention relates to crystallising polyether polyols which can be produced by first reacting propylene oxide and polyhydroxy compounds in the presence of an alkoxy compound containing zinc and/or aluminium atoms, in order to obtain a...  
WO/2000/066600A1
The invention relates to a method for producing 1,2-diimine compounds of general formula (I) in which the symbols have the following meanings: R?1¿ and R?2¿, independent of one another, represent alkyl radicals, aryl radicals or metall...  
WO/2000/064914A1
The invention relates to modular, unsymmetrical bidentate organophosphorous ligands of the general formula (I) that have a trivalent phosphine functionality and a second trivalent phosphorous group that is bound to a chiral ligand struct...  
WO/2000/056740A1
The present invention provides arylboronic acid reagents useful for incorporation into modified oligonucleotides and polynucleotides. The modified oligonucleotides and polynucleotides thus produced are useful in bioconjugation reactions ...  
WO/2000/046171A1
A polymerization initiator for cationically polymerizable organic substances which comprises a crystalline ion-association substance having such a unique property that it can initiate not only photopolymerization but thermal polymerizati...  
WO/2000/043400A1
Synthetic routes for forming alkali metal substituted borohydride compounds include the step of reacting an alkali metal reagent, a hydrogen donor, and a substituted borane. The reactions proceed without the requirement of specialised ha...  
WO/2000/037475A1
A process and apparatus for the continuous production of organometallic compounds from a metal precursor and an alkylating agent. The reactants are delivered separately to a reaction centre (26) in a distillation column (2) wherein the r...  
WO/2000/037478A1
The invention relates to novel ligands and complexes for the homogeneous catalytic enantioselective hydrogenation. The invention specifically concerns the ligands of general formula (I). Another aspect of the invention relates to the com...  
WO2000008030A3
This invention relates to processes for making phosphorus compounds R2P-X-PR2, R2P-M, R2P-L and R3P, and the novel cation R2P<+>(L)-X-P<+>(L)R2, where R represents an optionally substituted hydrocarbyl group, X represents a bridging grou...  
WO/2000/027781A1
The present invention relates to a process for the manufacture of alkanes comprising a cross-metathesis reaction between at least one starting alkane (A) and one organometallic compound (B) fixed to an inorganic support and comprising a ...  
WO/2000/024734A1
This invention relates to the identification of a novel class of therapeutic agents which selectively target and kill tumor cells and certain other types of diseased cells, and to compositions comprising lipoic acid derivatives which poi...  
WO/2000/015339A1
Catalytic complexes including a metal atom having anionic ligands, at least one nucleophilic carbene ligand, and an alkylidene, vinylidene, or allenylidene ligand. The complexes are highly stable to air, moisture and thermal degradation....  
WO/2000/011008A1
Chiral phosphine ligands derived from chiral natural products including D-mannitol and tartaric acid. The ligands contain one or more 5-membered phospholane rings with multiple chiral centers, and provide high stereoselectivity in asymme...  
WO/2000/009524A1
Ansa bis($g(m)-substituted) Group 4 metal and aluminum compounds comprising a single Group 4 metal atom and two aluminum metal atoms corresponding to formula (I) wherein: L' is a $g(p)-bonded group; M is a Group 4 metal; Z is a divalent ...  
WO/2000/009523A1
Ansa bis($g(m)-substituted) Group 4 metal and aluminum compounds comprising a single Group 4 metal atom and two aluminum metal atoms corresponding to formula (I) wherein: L' is a $g(p)-bonded group, M is a Group 4 metal, J is nitrogen or...  
WO/2000/008030A2
This invention relates to processes for making phosphorus compounds R¿2?P-X-PR¿2?, R¿2?P-M, R¿2?P-L and R¿3?P, and the novel cation R¿2?P?+¿(L)-X-P?+¿(L)R¿2?, where R represents an optionally substituted hydrocarbyl group, X rep...  
WO/2000/008028A1
The invention concerns a novel method for preparing tetrakis(pentafluorophenyl)borate derivatives of general formula MB(C¿6?F¿5?)¿4?, M being selected among Na?+¿, Li?+¿, or K?+¿, wherein: (a) a C¿6?F¿5?X solution, X being select...  
WO/2000/005237A1
Organometallic complexes having a phosphinimine ligand, a (non-phosphinimine) heteroligand and at least one activatable ligand are catalyst components for olefin polymerization. Preferred polymerization systems are prepared by combining ...  
WO/2000/005236A1
Organometallic complexes of titanium or zirconium having only three ligands (namely a cyclopentadienyl ligand, a phosphinimine ligand and an activatable ligand) are catalyst components for olefin polymerization. Preferred polymerization ...  
WO/2000/005238A1
Organometallic complexes having two phosphinimine ligands and at least one activatable ligand are catalyst components for olefin polymerization. Preferred polymerization systems are prepared by combining the organometallic complexes with...  
WO/2000/000519A1
Metal complex containing one or more silsesquioxane ligands, having the formula (I): Z¿y?(MA¿x?B¿q?)¿b?, wherein Z is a silsesquioxane according to the formula (II): R¿7-1?Si¿7?O¿12?YD¿1+1?, M is a metal from groups 3-6 of the Pe...  
WO/2000/000518A1
Metal complex containing one or more silsesquioxane ligands having the formula (I): Z¿y?(MA¿x?)¿b?, wherein Z is a silsesquioxane ligand according to the formula (II): (RsiO¿1.5?)¿m?O¿n?B¿q? which is connected within one corner to...  
WO/1999/060004A1
The invention concerns novel organometallic complexes comprising cationic heterocyclic carbenes. It also concerns a method for preparing said complexes from dicationic heterocyclic precursor compounds. It further concerns the use as cata...  
WO/1999/058539A1
A class of metallocene compounds is disclosed having the following general formula (I): R¿n?(Cp)(A)ML¿p? wherein R¿n? is a structural bridge; Cp is a heterocyclic cyclopentadienyl group of formula (II) wherein R?1¿ and R?2¿ are hydr...  
WO/1999/057319A1
The present invention is directed to the electronic detection of nucleic acids using self-assembled monolayers.  
WO/1999/055758A1
A polymer having a backbone repeat unit that includes at least two metal atoms bonded to each other and only one ethylenically unsaturated functional group wherein the backbone unit preferably has a structure of: -C(R?3¿)=C(R?3¿)-[C(R?...  
WO/1999/041290A1
The present invention relates to catalyst systems, processes for making such catalysts, intermediates for such catalysts, and olefin polymerization processes using such catalysts wherein such catalyst includes a component represented by ...  
WO/1999/033852A1
The invention relates to novel $g(p)-complex compounds of transitional metals of the formulas (Ia) and (Ib), in which $g(p) is a $g(p) system, D a donor atom and A an acceptor atom, where D and A are linked to each other by way of a reve...  
WO/1999/023865A2
Methods of forming metal alkoxides and methods of forming precursor solutions of metal alkoxides suitable for the coating of glass in the manufacture of electrochromic devices are disclosed. The method of forming metal alkoxides involves...  
WO/1999/020634A1
The object of the invention are novel halogen substituted methylenebisphosphonic acid anhydrides, ester anhydrides, amide anhydrides, and ester amide anhydrides, processes for the preparation of these novel compounds, as well as pharmace...  
WO/1999/019337A1
The invention relates to metallocenes of formula (I), in which M is a metal from the Ti, Zr, Hf, V, Nb, Ta group or an element from the lanthanide group, X¿1? and X¿2? stand for an alkyl-, aryl-, alkenyl-, arylalkyl-, alkylaryl-or aryl...  
WO/1999/016775A1
The invention relates to a crystalline multi-metal cyanide complex of general formula (I) M?1¿¿a?[M?2¿(CN)¿b?L?1¿¿c?]¿d?*e(M?1¿¿f?X¿g?)*hL?2 ¿'iH¿2?O, in which M?1¿ represents at least one element from the group comprised of...  
WO/1999/007469A1
Process to separate a group 8-10 metal/phosphite ligand complex from an organic liquid mixture, wherein the following steps are performed: (1) contacting the organic liquid with a support having bonded thereto an organophosphine ligand a...  
WO/1999/006449A1
A catalyst activator particularly adapted for use in the activation of metal complexes of metals of Group 3-10 for polymerization of ethylenically unsaturated polymerizable monomers, especially olefins, comprising a zwitterionic compound...  
WO/1999/005154A1
Novel compositions and metal compounds having an ancillary ligand structure polymerize monomers and functionalized monomers, either alone or in the presence of an activator. The ancillary ligand structure is a chelating ligand that may o...  
WO/1999/005153A1
The invention relates to a method for producing rac/meso metallocenes, the rac/meso metallocenes themselves, and their use in the production of isotactic polyolefins.  
WO/1999/001461A1
(1) Alkali metal diarylphosphides are formed by mixing triarylphosphine with, and preferably introducing triarylphosphine into, a two-phase mixture one or more alkali metals, preferably a mixture or alloy of sodium and potassium, in an a...  
WO/1998/056796A1
Delivery and scavenging agents are provided for the combinatorial synthesis of organometallic compounds in a solution or suspension, where the agents are constructed from a solid support allowing for easy separation of unreacted reagents...  
WO/1998/046617A1
A liquid precursor is provided for the formation of metal oxide films comprising a mixture of two or more types of beta-diketonate ligands bound to one or more metals. For example, a liquid mixture was formed of the mixed aluminum beta-d...  
WO/1998/045302A1
The invention concerns molecular silylalkylboranes, a process for preparing them, oligo or polyborocarbosilazanes, a process for preparing them and their use, as well as silicon carbonitride ceramics and a process for preparing them.  
WO/1998/045303A1
The invention concerns boron-containing carbosilanes, a process for preparing them, boron-containing oligo or polycarbosilazanes, a process for preparing them and their use, as well as silicon borocarbonitride ceramics and a process for ...  
WO/1998/043983A1
The present invention provides compounds comprising a polyhalogenated heteroborane anion of the formula R�a?ZB�b?H�c?F�d?X�e?(OR')�f??-1�, and a method for producing the same. Specifically, the present invention provides co...  
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...  

Matches 351 - 400 out of 2,011