...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7858817 | Metallocene-substituted pyridyl amines, their metal complexes, and processes for production and use thereof This invention relates to new transition metal complexes for use in olefin polymerization and oligomerization. The active complex is a pyridine amide having a metallocenyl substituent as part of the ligand structure. The invention also relates to novel precursors fo... | 12/28/2010 |
| 7351770 | Ionic hydrophilic high molecular weight redox polymers for use in enzymatic electrochemical-based sensors Ionic hydrophilic high molecular weight redox polymers for use in enzymatic electrochemical-based sensors include a hydrophilic polymer (such as a hydrophilic polymer backbone) with ionic portions (e.g., cationic monomers incorporated in the hydrophilic polymer back... | 04/01/2008 |
| 7301041 | Bi-functional metallocenes, preparation process and use in the labeling or biological molecules The invention relates to bi-functionalised metallocenes of general formula (I) where Me=a transition metal, preferably chosen from Fe, Ru and Os, Y and Z, when identical are selected from —(CH2)n—O—, (CH2)—O—[(CH2 | 11/27/2007 |
| 7244860 | Substituted ferrocenyldiphosphines as ligands for homogeneous hyrogeneration catalysts Compounds of the formula (I), in which R1 is C1-C4alkyl, C6-C10aryi or C7-C11, aralkyl, R2 is an open-chain or cyclic secondary amino group, and R is a radical of the formula in ... | 07/17/2007 |
| 7041842 | Ferrocene-containing, organic gelling compound, and gel and cast film using the same A ferrocene-containing, organic gelling compound represented by the following general formula (I): wherein R1 and R2 represent the same or different alkyl groups having 2 or more carbon atom... | 05/09/2006 |
| 7019146 | Ferrocene compound and use thereof The present invention provides a novel ferrocene compound; a reagent containing the compound; a high-sensitivity method of measuring a vitamin D compound using the reagent; etc. Specifically, a ferrocene compound represented by the following formula (1): ... | 03/28/2006 |
| 6918340 | Dual-stage gas generator utilizing eco-friendly gas generant formulation for military applications This invention relates to a gas generator having two or more compartments, each with a separate initiator, with one compartment discharging before another, i.e., the compartments discharge sequentially. Each compartment has the same propellants, but the propellants ... | 07/19/2005 |
| 6906212 | Phosphine-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 |
| 6906213 | Preparation 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 |
| 6867310 | Arylation and vinylation of activated carbons The present invention provides transition-metal-catalyst-based methods for the arylation and vinylation of activated methyl, methylene, and methine carbons with aryl halides, vinyl halides, and the like. The methods of the invention provide several improvements over... | 03/15/2005 |
| 6664407 | Electrochemical saccharide sensor The invention provides compounds for detecting sacchharides by electrochemistry. The compounds have a structure that includes a first boronic acid group attached by a first linker group to a first tertiary amine. The first tertiary amine is attached to a ... | 12/16/2003 |
| 6617480 | Molecular weight-enlarged ligands for asymmetric, homogeneously soluble hydrogenation catalysts, process for the production thereof and use The present invention relates to a molecular weight-enlarged, homogeneously soluble ligand, which includes: an average molecular weight of at least 1000 g/mol; a molecular weight-enlarging polymer; optionally, a linker; and at least one homochiral a... | 09/09/2003 |
| 6610871 | Copper-catalyzed enantioselective allylic substitution reactions An allylic compound is reacted with an organozinc compound Zn(R6)2 to eliminate a group (the leaving group) from the allylic compound and to add a group from the organozinc compound to it in the presence of a copper salt catalyst and... | 08/26/2003 |
| 6590115 | Phosphino-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 |
| 6348620 | Method for homogeneous enantioselective hydrogenation using catalytic ferrocenyl bis-phosphine complexes The present invention is relative to a method for the homogeneous, catalytic, enantioselective hydrogenation of compounds of the general formula (I) ##STR1## with the aid of compounds of the general formula (II) ##STR2## The use of the hydrogenated d... | 02/19/2002 |
| 6239299 | Metallocenes with ferrocenyl-substituted bridges used in olefin polymerization ##STR1## 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, X1 and X2 stand for an alkyl-, aryl-, alkenyl-, arylalkyl-, alkylaryl-... | 05/29/2001 |
| 6169192 | Functionalized ferrocenyldiphosphines, a process for their preparation and their use The invention relates to 1,2-ferrocenyldiphosphines which contain a functional group in the 1' position either directly or via a bridging group, and also a process for their preparation. The compounds are important for transition metal complexes containin... | 01/02/2001 |
| 6015919 | Dihalogenated ferrocenes and processes for the preparation thereof The invention relates to a compound of formula I ##STR1## R1 is C1 -C8 alkyl, phenyl or phenyl substituted by from 1 to 3 C1 -C4 alkyl or C1 -C4 alkoxy substituents; R2 | 01/18/2000 |
| 6008394 | Sulfonyl catalysts and method of using the same A novel metallocene catalyst for the polymerization of olefin (co)polymers is of the general formula: R--SO2 --L--M--(X)m Tn wherein, M is a metal selected from Groups 3-10; T is a polymerization-stable anionic ancillary ligand; m+n... | 12/28/1999 |
| 6002035 | Fullerene-containing metallocene The present invention relates to a novel fullerene-containing metallocene. Such a fullerene-containing metallocene can be used as the catalyst for preparing olefin polymers.... | 12/14/1999 |
| 5925778 | Dihalogenated ferrocenes and processes for the preparation thereof The invention relates to a compound of formula (I), wherein R1 is C1 -C8 alkyl, phenyl or phenyl substituted by from 1 to 3 C1 -C4 alkyl or C1 -C4 alkoxy substituents; R2 ... | 07/20/1999 |
| 5914408 | Olefin polymerization catalysts containing benzothiazole A novel metallocene catalyst for the polymerization of olefin (co)polymers is of the general formula: Benzothiazole--E--M--Xm Ln where, M is a transition metal of Groups 3-10 of the Periodic Table; E is sulfur or oxygen; E being bond to the tr... | 06/22/1999 |
| 5863911 | Diarylethylene metallocene derivatives, their processes of preparation and pharmaceutical compositions containing said derivatives Diarylethylene metallocene derivatives, processes for preparing the same and pharmaceutical compositions which contain the derivatives are disclosed. The compounds of the invention can exhibit anti-tumor activity, and can be particularly useful in the tre... | 01/26/1999 |
| 5856540 | 2,2'-disubtituted 1,1'-diphosphino-ferrocenes and 1',2-disubstituted 1-phosphino-ferrocenes, processes for preparing them, their use, and transition metal complexes comprising them The present invention relates to optically active and racemic C2 -symmetric 2,2'-disubstituted 1,1'-diphosphino-ferrocenes of the formula Ia, to optically active and racemic asymmetric 1',2-disubstituted 1-phosphino-ferrocenes of the formula Ib... | 01/05/1999 |
| 5850086 | Iron complexes for bleach activation and stereospecific oxidation A bleach and oxidation catalyst is provided comprising a catalytically active iron complex which can activate hydrogen peroxide or peroxy acids, for example.... | 12/15/1998 |
| 5817850 | Ferrocene bis(phosphonite) ligands and complexes for transition-metal-catalyzed reactions The synthesis of new sterically hindered ferrocene bis(phosphonites) of formula I ##STR1## the synthesis of the corresponding transition-metal complexes and the use of these complexes in transition-metal-catalyzed reactions are described.... | 10/06/1998 |
| 5760264 | Process for preparing optically active metallocenyl-phosphines Disclosed is a novel method of producing optically active metallocenyl phosphines of the general formula shown In the formula (Ia) (Ib), M represents iron, ruthenium or nickel; R1 and R1' both represent C1 -C4 ... | 06/02/1998 |
| 5708150 | Process for preparing transition metal complexes containing disubstituted cyclopentadienyl ligands A process for preparing transition metal complexes containing disubstituted cyclopentadienyl ligands of the general formula (1) ##STR1## in which a monomeric, monosubstituted cyclopentadiene is reacted using a mixture of an alkali metal oxide or hydr... | 01/13/1998 |
| 5643895 | Phosphonoacetic esters and acids as anti-inflammatories Compounds useful in the treatment of inflammation structurally represented as Formula I ##STR1## one of X or Y is H and the other is selected from the group consisting of: ##STR2## or X and Y are taken together to form a ring selected from the g... | 07/01/1997 |
| 5641871 | Preparation of metallocenes in one reaction step Metallocenes are prepared by a process in which a metal salt is reacted with at least one alkali metal and with an unsaturated, cyclic hydrocarbon in the presence of a solvent in one reaction step.... | 06/24/1997 |
| 5565441 | Phosphonoacetic esters and acids as anti-inflammatories Compounds useful in the treatment of inflammation structurally represented as Formula I ##STR1## one of X or Y is H and the other is selected from the group consisting of: ##STR2## or X and Y are taken together to form a ring selected from the g... | 10/15/1996 |
| 5550267 | Process for the synthesis of haloalkylferrocenes The present invention relates to a process for the synthesis of haloalkylferrocenes, comprising a first stage of reaction, in the presence of AlCl3 as catalyst and in organic solvent medium, of a carboxylic acid halide or anhydride with ferroce... | 08/27/1996 |
| 5362421 | Electrically conductive adhesive compositions An anisotropically conductive adhesive composition provides electrical conductivity between facing electrodes but maintains electric insulation laterally between adjacent electrodes and comprises (a) a cationically polymerizable monomer, such as a glycidy... | 11/08/1994 |
| 5336795 | Process for the preparation of transition metal complexes having monosubstituted cyclopentadienyl ligands Disclosed is a process for the preparation of transition metal complexes having monosubstituted cyclopentadienyl ligands of the general formula: ##STR1## in which monomeric cyclopentadiene is reacted with organic halides or pseudohalides, using a mix... | 08/09/1994 |
| 5281733 | Process for producing MMT A process for the carbonylation of substituted metal coordination compounds in the presence of carbon monoxide at a pressure in excess of 400 psig to produce optionally substituted cyclopentadienyl metallic carbonyls, particularly methylcyclopentadienyl m... | 01/25/1994 |
| 5258140 | Charge transfer complexes with ferrocenes, their preparation and the use thereof Charge transfer complexes of formula I [A]2.crclbar. B.sym. (I), wherein a) A is a compound of formula II or a mixture of compounds of formula II ##STR1## wherein the R substituents are identical and are ... | 11/02/1993 |
| 5247107 | Process for the preparation of organometallic compounds There is disclosed a process for the preparation of compounds of formula I [R Fe R2 ]q.sym. Xq.crclbar. (I), wherein R is an anion of formula C5 H4 R1 or C9 H7 | 09/21/1993 |
| 5214175 | Process for the synthesis of monohaloalkylferrocenes and 4-chlorobutylferrocene The present invention relates to a process for the synthesis of a monohaloalkylferrocene by reaction of hydrogen with a monohaloalkanoylferrocene in the presence of PtO2 and SnCl2 as catalyst in an acetic acid medium. In this manner,... | 05/25/1993 |
| 5212311 | Chiral amino-methyl ferrocene derivatives A ferrocene derivatives represented by the following formula (I): ##STR1## can be a useful ligand to metals with Lewis acidity and is used as a catalyst for asymmetric synthesis with good enantioselectivity. This ferrocene derivatives is synthesized ... | 05/18/1993 |
| 5203974 | Process for producing thin films A process for producing a thin film comprising electrotreating a dispersion or solution obtained by dispersing or dissolving a hydrophobic substance powder in an aqueous medium with a surfactant having a HLB value of 10.0 to 20.0, under conditions for for... | 04/20/1993 |