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8173353 |
Sulfonium compound
The present invention provides a sulfonium compound represented by the formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, R1 represents a...
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8049032 |
Solid acid, polymer electrolyte membrane including the same, and fuel cell using the polymer electrolyte membrane
A solid acid having a core of calixarene or calix resorcinarene. The solid acid is an ion conducting compound in which at least one of the hydroxyl groups is substituted by an organic group having...
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7993797 |
Chemically modified catalyzed support particles for electrochemical cells
A membrane-electrode assembly in a polymer electrolyte/proton exchange membrane fuel cell includes the electrodes (anode and cathode), with a thin layer of catalyzed conductive support particles...
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7468360 |
Therapeutic amides and related compounds
Disclosed herein is a compound having a structure: Therapeutic methods, compositions, and medicaments relating thereto are also disclosed.
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7427588 |
Ether sulfonate surfactants and process for making same
Novel compositions of matter and the process of preparing these surfactants having the structure: R1[—(O—(R2O)m—(R3O)n—(R4)]y where: R1=alkyl, alkenyl, amine, alkylamine, dialkylamine, trialky...
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6852878 |
Thioketals and thioethers for inhibiting the expression of VCAM-1
Thioketals and thioethers are provided that inhibit the expression of VCAM-1, and which can be used in the treatment of VCAM-1 mediated diseases including inflammatory disorders, cardiovascular...
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6271415 |
S-(4-biphenyl)-thiosulphuric acids and their salts, method for producing the same and method for producing 4-mercaptobiphenyls
The invention relates to novel S-(4-biphenyl)-thiosulfuric acids and their salts, to a method for producing them from S-(4-biphenyl)-thiosulfinic acids and their salts, and to a method for...
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6090850 |
Naphthyl glyoxamides as SPLA2 inhibitors
A class of novel naphthyl glyoxamide compounds of formula (I) is disclosed together with a process for making the novel naphthyl glyoxamide compounds and the use of such compounds for inhibiting...
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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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5916922 |
Phenyl glyoxamides as SPLA2 inhibitors
A class of novel phenyl glyoxamides is disclosed together with the use of such compounds for inhibiting sPLA2 mediated release of fatty acids for treatment of conditions such as septic shock.
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5877214 |
Polyaryl-poly(ethylene glycol) supports for solution-phase combinatorial synthesis
The present invention is directed to the certain polyaryl-poly(ethylene glycol) compounds ("polyaryl-PEG" compounds) which are useful as soluble polyvalent supports in the preparation of...
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5585516 |
Two tail-two head and two tail-one head surfactants
The present invention relates to novel two tail-two head and two tail-one head surfactants. In one embodiment, the present invention comprises a novel composition of matter having the general...
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5493050 |
Diphenyl dialkyl methane surfactants
In one embodiment, the present invention relates to novel two tail--two head and two tail--one head surfactants. In one embodiment, the present invention comprises a novel composition of matter...
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5491134 |
Sulfonic, phosphonic or phosphiniic acid β3 agonist derivatives
Compounds of the formula ##STR1## and pharmaceutically acceptable salts thereof wherein: A is a bond or --OCH2 --, where the oxygen is linked to R1 ; B is --CH2 -- or when R3 is hydrogen, B may be...
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5318709 |
Process for the production of surfactant mixtures based on ether sulfonates and their use
A process for the production of a surfactant mixture for use in enhanced oil recovery wherein the surfactant mixture comprises an alkyl ether sulfonic acid or salt thereof as a principal...
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5312999 |
Propoxybenzene derivatives and process for preparing the same
Propoxybenzene derivatives represented by the following formula ##STR1## wherein Ra represents a nitro group, an amino group which may have a protecting group or an --NHCHC(COO--C1-6 -Alkyl)2 g...
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5268504 |
Process for the conversion of sulfates to sulfonates
Disclosed is a process for increasing the selectivity in converting sulfates to sulfonates following ethoxylation and sulfation of alcohols. It is demonstrated that minimization of unethoxylated...
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5241109 |
Asymmetrical oxalic acid diarylamide
There is disclosed a water-soluble, asymmetrical oxalic acid diarylamide of general formula ##STR1## wherein the substituents R1 are each independently of the other unsubstituted or hydroxy- or...
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5210257 |
Preparation of aryl compounds containing carboxyl and sulfonyl groups
Novel aryl ethers, containing both a carboxylic acid and a sulfonic acid functionality; and a process for making them are described. These difunctional aryl compounds comprise: i) a carboxylic acid...
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5120872 |
Compounds containing a 3-sulfoalkanoylamino or 3-sulfoalylsulfonylaminoaniline coupling component
A compound of the formula ##STR1## in which R1 and R2 independently of one another are each C1 -C10 alkyl which is unsubstituted or substituted by hydroxyl, C1 -C4 alkoxy, phenyl, sulfo, sulfato,...
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5108631 |
Method of overbasing with a hydroxy sulfonic acid copromoter
Overbased salt compositions are formed by reacting a hydreocarbyl substituted sulfonic acid or salt thereof with a basic neutralizing agent, in the presence of a hydroxy sulfonic acid or salt...
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4978780 |
Preparation of ether sulfonates and polyglycol ether sulfonates, and products prepared by this method
A process for the preparation of ether sulfonates or polyglycol ether sulfonates by reacting an organic alcoholic or phenolic compound or the corresponding alkoxylate in aqueous solution with vinyl...
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4977059 |
Sulfonated-ethylene oxide dispersants for use in preparing amine-formaldehyde microcapsules
A method for forming microcapsules by enwrapping an oily core material in a formaldehyde condensation product formed in situ wherein a dispersant is used of the formula (I): ##STR1## where: M is an...
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4898944 |
Precursors for the preparation of water-soluble triphendioxazine dyestuffs
Precursors for the preparation of fiber-reactive triphendioxazine dyestuffs correspond to the general formulas: ##STR1## in which Y' is a vinyl, a beta-hydroxyethyl or an ethyl group which contains...
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4842776 |
Styrylaryloxy ether sulfonates, a process for their preparation and their use in the recovery of crude oil
Styrylaryloxy ether sulfonates of the formula ##STR1## in which either R1 denotes styryl and simultaneously R2 and R3 are identical or different and denote hydrogen or styryl, or R1 and R2 are...
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4820388 |
Polyalkylene glycol naphthyl-3-sulfopropyl diether compounds and their salts, process for preparing same and electroplating baths containing same
Novel Polyalkylenglycol naphthyl-3-sulfopropyl diethers and salts thereof of the formula ##STR1## (R1 -R3 =H, Cp H2p--1 ; p=l--4, A=(PO)m --(EO)n --, (EO)n --(PO)m,--(EO)n EO=ethylenoxide residue,...
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4771076 |
[(2-substituted 1,2-dihydro-1-oxo-1H-inden-5-yl)oxy]alkanesulfonic acids and salts thereof
This invention relates to novel [(2-substituted 1,2-dihydro-1-oxo-1H-inden-5-yl)oxy]alkanesulfonic acids and salts thereof. The compounds are useful for the treatment and prevention of injury to...
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4764307 |
Preparation of surfactants
Alkyl-, aryl-, or alkylaryl-alkoxy ethane sulphonates are prepared by reacting the corresponding halides with potassium or ammonium sulphite in the presence of water in amount less than 50% by...
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4661601 |
Resorcinol compounds
New compounds having the formula 1 ##STR1## wherein W is hydrogen, halogen, n-alkyl, --NHCOR1, --COR1, or phenoxyacetylamino optionally substituted by one or two C1-12 straight- or branched chain...
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4655975 |
Solid chelating poly(carboxylate and/or sulfonate)peroxyhydrate bleaches
Polycarboxylates such as disodium diglycolate can form peroxyhydrates becoming a solid source of hydrogen peroxide. Upon dissolution in water, these poly(carboxylates and/or sulfonates) both form a...
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4632786 |
Sulfomethylated phenolic material useful in post primary oil recovery
Sulfonated phenolic compounds as well as sulfomethylated phenolic compounds, surfactant system containing such compound and the use of such surfactant systems in post primary oil recovery are...
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4613465 |
Triphenyl methane derivatives and method of quantitatively measuring an oxidative substance
Disclosed herein is a novel compound which is excellent in solubility to water around a neutral range, stable in an aqueous solution state for a long period of time, and high in coloring...
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4600516 |
Sulfonated tributylphenol ethoxylates, their use, and a process for preparing sulfonated alkoxylates
Sulfonated tributylphenol ethoxylates of the formula ##STR1## where x denotes a number from 2 to 20, and M denotes a cation, their use as surfactants, in particular as auxiliaries in the tertiary...
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4588534 |
Chemical composition
An ether sulfinate/sulfonate or disulfonate having the following formula: ##STR1## wherein: R is a hydrocarbon group having from about 6 to about 24 carbon atoms, Y is SO2 M or SO3 M, Z is hydrogen...
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4567004 |
Process for the preparation of monomethyl-substituted methylene compounds
Monomethyl-substituted methylene compounds are obtained by reacting methylene compounds of the formula ##STR1## in which R1 and R2 independently of one another represent --CN, --CO--R3, --SO2 --R3...
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4545912 |
Two-tailed surfactants having one aromatic containing tail and their use in chemical waterflooding
(Branched alkyl)-polyethoxyalkyl sulfonates, and similar compounds wherein the alkyl sulfonate moiety is replaced by a sulfate moiety, having an aromatic group on one of the branches of the...
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4528383 |
Substituted cyclic and heterocyclic methane sulfonates
There are provided compounds which are alkyl sulfonates substituted on a 5-membered heterocyclic or cyclic ring. The hetero-substituents of the ring may be O, S, R2 N, R3 R4+ N<, ##STR1## where R2,...
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4514547 |
2-Hydroxypropane sulphonic acid derivatives: their preparation and curable compositions thereof
The invention provides 2-hydroxypropane sulphonic acid derivatives of general formula ##STR1## wherein n is a number having an average value from 0 to 12, .circle.A denotes saturation or aromatic...
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4485026 |
Hard water stability improvers for oil-in-water emulsions hydraulic fluids
Lubricating oils which in aqueous media are highly useful as, for example, hydraulic fluids, are provided having improved hard water stability characteristics when oil soluble...
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4485114 |
Arylglyoxals useful as hypoglycemic agents
Arylglyoxals which are new compounds, which are active as hypoglycemic agents.
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4466891 |
Glyceryl ether sulfonates for use in oil recovery fluids and processes
Petroleum may be recovered from petroleum containing formations having high salinity by injecting into the formation an aqueous fluid containing an effective amount of a surface active agent...
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4442042 |
Process of making propane sulfonates
An improved process for making propane sulfonates without isolating intermediates is provided comprising using an aqueous NaOH system instead of metallic sodium and recycling a portion of the...
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4436672 |
Oil recovery method utilizing glyceryl ether sulfonates
Petroleum may be recovered from petroleum containing formations having high salinity and/or high temperature by injecting into the formation an aqueous fluid containing an effective amount of a...
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4371475 |
1,4-Bis-styryl-benzene derivatives and a process for the preparation of the same
This invention relates to a novel 1,4-bis-styrylbenzene derivative, in particular, suitable for use as an optical brightening agent, which is represented by the following general formula, ##STR1##...
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4343711 |
Surfactant fluid suitable for use in waterflood oil recovery method
Disclosed is a novel surfactant, a method for making the surfactant and an aqueous fluid containing the surfactant which is effective for recovering petroleum from a high temperature formation...
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4293502 |
Nickel ylides
A new group of nickel ylides is provided that is highly active at relatively low operating temperatures and pressures in the oligomerization of ethylene. The compounds can be defined by the...
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4283321 |
Alkyl aryl ethyleneoxy sulfonate surfactants for vinyl acetate polymerization
Improved surfactants can be produced from alkyl aryl poly(ethyleneoxy) sulfonates, represented by the formula: ##STR1## wherein: R is an alkyl or dialkyl group having at least 6 carbon atoms; and n...
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4267123 |
Method of preparing propane sulfonates
An improved method for preparing propane sulfonates by the addition of metal bisulfites to allyl ethers, amines and sulfides is provided wherein a substantial amount of the desired product is added...
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4243609 |
Ring-fluorinated 4-(hexadecyl-amino) N-substituted benzamide compounds
The present invention relates to certain ring-fluorinated 4-(hexadecyl-amino) N-substituted benzamide compounds as hypolipidemic and antiatherosclerotic agents together with their pharmacologically...
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4226807 |
Process for making ether sulfonates
Covers a method of sulfonating organic alcohols to prepare ether sulfonates thereof by reacting said organic alcohol compound with a hydroxy-containing alkyl sulfonic salt utilized in solid form...
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