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8168683 |
Fluorinated vinylidene cationic surfactant
A fluorinated pyridinium cationic compound of formula (I) wherein, Rf is F(CF2)6(CH2CF2)m(CH2CH2)n—,m and n are each independently integers of 1 to 3, andR is H, C1 to C5 linear or branched a...
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8106217 |
Ionic liquids with bis[bis(pentafluoroalkyl)phosphinyl]imides
The present invention relates to ionic liquids of low viscosity and high electrochemical stability, in particular for use in the area of electrochemistry and as solvents for carrying out chemical...
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8101749 |
Process for the preparation of onium salts with a tetrafluoroborate anion having a reduced halide content
The invention relates to a method for producing onium salts with tetrafluoroborate anion by reacting an onium halide with an oxonium tetrafluoroborate, sulfonium tetrafluoroborate, or...
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8093393 |
Cationic ceramides, and analogs thereof, and their use for preventing or treating cancer
The present invention relates to cationic ceramides, their dihydro-analogs and aromatic analogs and their derivatives, comprising a pyridinium group. Also provided are methods for making cationic...
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8022017 |
Method of using dithiazine to inhibit corrosion
Corrosion of metallic tubulars in an oil, gas or geothermal well may be inhibited by introducing into the well a dithiazine of the formula: wherein R is selected from the group consisting of a C1...
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8022018 |
Quaternized dithiazines and method of using same in treatment of wells
Corrosion of metallic tubulars in an oil, gas or geothermal well may be inhibited by introducing into the well a dithiazine or dithiazine of the formula: wherein R is selected from the group...
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7999111 |
Process for the preparation of onium alkylsulfonates
The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an...
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7838679 |
Ionic liquids
The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions....
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7771611 |
Oxypentafluorosulfate compositions and processes for making them
Novel compositions are provided containing a compound represented by the formula YOSF5 or ZOSF5, where: (a) Y is: (i) an organic cation other than (Me2N)3S+ or (ii) an inorganic cation, provided...
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7754462 |
Enzyme catalysis in the presence of ionic liquids
The invention relates to the implementation of enzyme-catalysed reactions in the presence of ionic liquids.
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7692007 |
Process for the preparation of onium salts having a low chloride content
The invention relates to a process for the preparation of onium salts having a low chloride content by reaction of an onium chloride with an acid, where the hydrochloric acid forming is removed by...
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7655803 |
Process for the preparation of ionic liquids with alkyl sulfate and functionalized alkyl sulfate anions
The invention relates to a process for the preparation of ionic liquids of general formula (cation)(R′—O—SO3). The process includes the step of treating the compound of formula (cati...
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7550491 |
Ionic liquids having [N(CF3)2]− anions
The present invention relates to salts comprising bis(trifluoromethyl)imide anions and saturated, partially or fully unsaturated, heterocyclic cations, to a process for the preparation thereof, and...
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7544807 |
Ionic liquids
Low melting ionic compounds of the general formula (cation) (R′SO4) in which R′ is a branched or linear, saturated or unsaturated, aliphatic or alicyclic functionalized or non-functionalized hyd...
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7456197 |
Pyridinium cationic lipids as gene transfer agents
Pyridinium cationic lipids useful as non-viral gene delivery agents are disclosed. The agents are prepared by reaction of pyrylium salts with primary amines. Also disclosed are methods of...
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7329757 |
Substituted iminoazines
The invention relates to novel substituted iminoazines of the general formula (I) in which R1, R2, R3, R4, Z1, Z2 and Z3 are each as defined in the disclosure, to a plurality of processes for their...
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7250428 |
Cetylpyridinium salt of an anti-inflammatory agent and pharmaceutical compositions containing it
Cetylpyridinium salt of diclofenac.
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7193087 |
4-Aminopyridinium compound
A 4-aminopyridinium compound is represented by the formula (I) or (II). in which each of L1 and L3 is —O—CO—, —CO—O—, —C≡C—, —CH═CH—, —CH═N—, —N═CH— or —N═N—; L2 is a single bond, —O—CO—,...
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7145004 |
Method for the production of monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates
The present invention relates to a process for the preparation of monohydroperfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates which comprises at least the treatment of...
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7141590 |
Pharmaceutical uses and synthesis of nicotinanilide-N-oxides
Disclosed are nicotinanilide-N-oxide compounds, methods for their production, pharmaceutical compositions which include these compounds, and methods for their use in various therapies.
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7122294 |
Photoacid generators with perfluorinated multifunctional anions
Photoacid generators (PAGs) comprising photoactive moieties and perfluorinated, multifunctional anionic moieties (or incipient anionic moieties) are disclosed which provide photoacids with high...
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7091221 |
Partial ester of cellulose with nitrogenous carboxylic acid and process for producing the same
According to the present invention, there are provided a novel partial ester of a nitrogenous carboxylic acid ester with cellulose, the partial ester being useful as an antibacterial agent, a flame...
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6984645 |
Dual inhibitors of adipocyte fatty acid binding protein and keratinocyte fatty acid binding protein
Compounds that are dual aP2/k-FABP inhibitors are provided having the formula wherein A, B, X, Y, R1, R2 and R3 are as described herein. A method is also provided for treating diabetes and related...
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6939453 |
Electrophoresis process using ionic liquids
Highly hydrophobic compounds and hydrophobic proteins are solubilized in a non-aqueous solvent containing an electrolyte for electrophoretic separation. The non-aqueous solvent is an ionic liquid...
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6878730 |
Quaternary ammonium compounds
The invention features quaternary ammonium compounds of formula I, described herein, and their use in treating asthma, chronic obstructive pulmonary disorder, allergic rhinitis, and infectious...
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6858623 |
Compounds useful as reversible inhibitors of cysteine proteases
Disclosed are novel cathepsin S, K, F, L and B reversible inhibitory compounds of the formula (Ia) and (Ib) where R2, R3, R4, R5, R6, R7, R8, Het and X are defined herein. The compounds are useful...
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6726894 |
Transport vehicles for macromolecules
The invention relates to new compounds with the general formula I for use as a tool to introduce macromolecules into cells. The invention further relates to compositions for introducing...
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6727237 |
Inhibitors of bacterial NAD synthetase
The present invention provides methods of synthesizing and screening inhibitors of bacterial NAD synthetase enzyme, compounds thereof, and methods of treating bacterial and microbial infections...
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6664280 |
Antivesicant compounds and methods of making and using thereof
As disclosed herein, the present invention provides a compound having the structural formula wherein R1, R2, R3, and R4 are each independently H, or a methyl, halo, trifluoromethyl, nitro,...
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6646132 |
Information recording medium and novel oxonol compound
An information recording medium is disclosed, comprising a substrate having provided thereon a recording layer capable of recording information by a laser ray, wherein the recording layer contains...
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6562944 |
Amide library formation using a “by-product-free” activation/coupling sequence
Disclosed is an improved method for preparing an activated carboxylic acid in the form of a pentafluorophenyl ester, an improved method for making a carboxamide from a pentaflourophenyl ester, and...
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6495067 |
Liquid crystal compound, liquid crystal mixture or composition, electrolyte comprising the same, electrochemical cell and photo-electrochemical cell containing the electrolyte
A liquid crystal compound, preferably a molten iodine salt, an electrolyte comprising the same, and a photo-electrochemical cell are disclosed. The electrolyte is little volatile and excellent in...
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6455555 |
Anti-HIV infection agents and method for treating HIV infection
The present invention relates to agents for anti-HIV infection, which contain, as an active ingredient, at least one photosensitizing dye selected from the group consisting of the compounds of the...
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6455554 |
Oxopyridinyl pharmaceutical compositions and methods for use
Pharmaceutical compositions incorporate aryl substituted olefinic amine compounds. Representative compounds are (2S)-(4E)-N-methyl-5-[3-(5-isopropoxy-1-oxopyridin)yl)]-4-pe
nten-2-amine,...
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6414159 |
Method for preparation of a quaternary ammonium salt
The present invention provides a method for preparation of a quaternary ammonium salt comprising reacting an alkyl halide with 2 equimolar amount or more per the alkyl halide of a pyridine compound...
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6376765 |
Electrolyte composition, photoelectric conversion device and photo-electrochemical cell
An electrolyte composition comprising a compound represented by the following general formula (1): wherein R represents a substituent containing a —(CR1R2—CR3R4—O)n— bond (in which R1 to R4 are ind...
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6362009 |
Solid phase synthesis of heterocycles
Methods for solid phase and combinatorial synthesis using a resin activation/capture approach are provided. In particular, methods for the production of dihydropyridones, N-acyidihydropyridones,...
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6271386 |
Product and process for making quaternized, water soluble vinylpyridine carboxylate polymers
This invention relates to stable, quaternized vinlypyridine carboxylate home-, co- and ter-polymers, useful as dye transfer inhibitors and polymers complexable with active agrochemical,...
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6252081 |
Process for production of donepezil derivative
The present invention provides a novel industrially or economically preferable process for production of a hydrogen halogenide salt of a Donepezil derivative having an excellent pharmacological...
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6248893 |
Non-heterocyclic oxonol infrared radiation sensitive compounds
Infrared radiation-sensitive compounds have been found that are represented by Structure DYE as follows: ##STR1##wherein R is a secondary or tertiary amine that contains no heterocyclic group, R1...
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6197966 |
Production method of optically active amino alcohols
A method for producing an optically active amino alcohol compound of the formula [3], an enantiomer thereof or a salt thereof, comprising reacting a mesoepoxide compound of the formula [1] with a...
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6184228 |
Anti-sickling agents: selection methods and effective compounds
The present invention is directed to a method for selecting compounds for use in treating sickle cell disease in a patient. The method comprises the steps of selecting a first set of HbS ligands...
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6118000 |
Methods for preparing quaternary ammonium salts
The present invention is directed to methods for preparing quaternary ammonium salts, particularly pyridinium and quinolinium salts. By preparing these salts in a solvent selected from the group...
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6103908 |
Nonaqueous ionic ligand liquids, process for preparing them and their use as catalyst constituents
Nonaqueous ionic ligand liquids of the formula (Q♁)a Aa-, where Q♁ is a singly charged quaternary ammonium and/or phosphonium cation or the equivalent of a multiply charged ammonium and/or pho...
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5993767 |
Solvate of lithium hexafluorophosphate and pyridine, its preparation and preparation process for lithium hexafluorophosphate using said solvate
The invention relates to a lithium hexafluorophosphate solvate usable for the preparation of high purity lithium hexafluorophosphate.This solvate of lithium hexafluorophosphate and pyridine...
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5962730 |
Aromatic sulphonyl compounds having an additional thioether, sulphoxide or sulphonyl group
Sulfonyl compounds have the formula ##STR1## where n is 0, 1 or 2,Y is vinyl or a radical of the formula C2 H4 Q, where Q is hydroxyl or an alkali-detachable group,E is C3 -C6 -alkylene with or...
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5856286 |
Surfactants for use in drying and dry cleaning compositions
The invention provides a fluorinated surfactant for use with halocarbon and hydrofluoroether solvents. Additionally, the invention provides drying, dry cleaning, and soil repellency compositions...
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5834610 |
Conversion of pyridinoline to deoxypyridinoline
The present invention involves the synthetic conversion of pyridinoline (PYD) to deoxypyridinoline (DPD) via an intermediate ester which is subsequently cleaved. The transformation of PYD into a...
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5770736 |
Reagents for cleavage or crosslinking of biomolecules using nondiffusible reactive intermediates
Reagents for cleaving or crosslinking of biomolecules using nondiffusible reactive intermediates and a method of using the reagents. In one embodiment, the DNA binding element includes a phenyl...
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5763624 |
Process for the synthesis of 1-pyridiniumpropane-3-sulphonate
1-pyridiniumpropane-3-sulphonate is obtained by reacting 1-allylpyridinium chloride (3) and alkaline bisulfite, in an aqueous solution, in the presence of radical initiators, such as oxygen,...
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