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WO1990006300A1 |
Concentrated, free-flowing anionic surface-active agents with a water content of less than 1 % by wt., in particular less than 0.5 % by wt., may be prepared by the sulphonation of unsaturated C16? to C22? fatty acids with sulphur trioxid...
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WO/1990/005717A1 |
An improved process for the prepatation of 2-chloro-4-toluenesulfonic acid by reacting 4-toluenesulfonic acid with chlorine in water or concentrated hydrochloric acid without the presence of a catalyst.
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WO/1990/004586A1 |
To obtain highly sulphated fatty acids, hydroxy fatty acids or oxalkylated hydroxy fatty acids, the reaction mixture obtained from the sulphatation of unsaturated fatty acid esters and/or saturated hydroxy fatty acid esters and/or oxalky...
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WO/1990/003968A1 |
Method for the synthesis of sulfonylimidides having the formula M((RSO2)2N)y, whrein M is a metal or an ammonium radical quaternary or not, the Rs, which may be identical or similar are organic monovalent radicals, particularly hydrocarb...
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WO/1990/003967A1 |
Said salts are produced by sulphonation of fatty acid alkylesters with gaseous sulphur trioxide followed by reprocessing. During said process, the fatty acid alkylesters are sulphonated in the presence of 0.25 to 1.5 mole % - mole % of t...
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WO/1990/003363A1 |
In a process for producing sulfonates of possibly ethoxylated and/or propoxylated fatty alcohols, esters of the carboxylic acid are sulfonated with possibly ethoxylated and/or propoxylated fatty alcohols containing 16 to 22 carbon atoms ...
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WO/1990/002730A1 |
Sulfonated fatty ketones, obtainable by sulfonation of fatty ketones of the general formula (I): R1-CO-R2 wherein R1 denotes a hydrocarbon residue with 15 to 21 carbon atoms and one or more olefinic double bonds and R2 denotes a hydrocar...
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WO/1990/001536A1 |
A method of producing a free flowing, high active, particulate anionic detergent comprising the step of adsorbing an anionic surfactant acid onto a powdered or granular material such as a phosphate, carbonate, bicarbonate or silicate so ...
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WO/1989/007096A1 |
Disclosed is an improved process for the preparation of haloaromatic amines by the catalytic hydrogenation of halonitroaromatic compounds in the presence of a chromium-containing Raney cobalt catalyst. The catalyst gives good hydrogenati...
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WO/1989/005290A1 |
Aminoaryl-beta-sulphatoethylsulphone compounds, for example 4-(beta-sulphatoethylsulphonyl)-aniline, can be made simply and quickly from their corresponding beta-hydroxyethylsulphone compounds by sulphation. A solution, suspension or pas...
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WO/1989/002430A1 |
The invention relates to diethyl-dithiocarbamate of choline having the developed formula (I), as well as a method for preparing it from choline chloride and trihydrated sodium diethyl-dithio-carbamate. This compound is useful for the tre...
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WO/1989/001330A2 |
The present invention provides the use of a compound of the formula (I): RSO2NR'BCO2H or a salt or ester thereof, wherein R is a phenyl, furan or thiophene ring optionally substituted by one or more substituents which are the same or dif...
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WO/1989/000558A1 |
Amine salts of alkane-1,n-dicarboxylic acid mono-(2-sulfato-ethyl)amides of the formula (I): HOC(O)-(CH2)n-C(O)-N(R1)-CH2CH2SO3 - + HN(R2)3, wherein R1 is selected from the group consisting of hydrogen, C1-C8 alkyl and phenyl, R2 is C1-C...
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WO/1988/007030A2 |
A two-step dimerization process for producing semi-linear C12 olefins using homogeneous dimerization catalysts and new C12 olefins mixtures. The C12 product is especially useful for the production of biodegradable sulfonated alkylaryl de...
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WO/1987/007312A1 |
Process for producing diaminoalkane derivatives of general formula (I) where R1 is an acyl residue or sulfonyl residue, R2 represents an alkyl group with up to 6 carbon atoms and possibly substituted by a hydroxy group, a lower alkanoyl ...
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WO/1987/003584A1 |
A process for preparing a racemic or chiral aryloxypropanolamine (1) or arylethanolamine (2) of formula (1) or (2), wherein Ar is aryl, substituted aryl, heteroaryl, or aralkyl and R is alkyl, substituted alkyl, aralkyl, or WB wherein W ...
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WO/1987/003583A1 |
A process for preparing a racemic or chiral aryloxypropanolamine (1) or arylethanolamine (2) of the formula (1) or (2) wherein Ar is aryl, substituted aryl, heteroaryl, or aralkyl and R is alkyl, substituted alkyl, aralkyl or WB wherein ...
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WO/1986/002942A1 |
Aqueous systems which comprise at least about 40% of water and an N-acylated amino hydrocarbyl sulfonic acid or salt composition characterized by the presence within the structure of an imido group or at least one acyl acyloxy or acylimi...
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WO/1986/000302A1 |
Processes of reducing the inorganic sulfur-containing acid and the low equivalent weight organic sulfonic acid content of an acid mass comprising organic sulfonic components and inorganic sulfonating agent contaminants. In general, the p...
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WO/1985/003647A1 |
A surfactant is obtained by treating a mixture of 20 to 95 wt % of a thermal cracking oil fraction obtained by thermally cracking a petroleum heavy residual oil at 400 to 700oC, for example, by delayed coking and 80 to 5 wt % of other ar...
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WO/1985/002175A1 |
Novel, liquid mixtures of isomeric aldehydes and alcohols are described in the C11-C16 carbon range, the compounds being characterized by a main carbon branched at the position and moderate additional branching in most isomers; the aldeh...
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WO/1985/000598A1 |
Cronotic acid derivatives of formula (I), wherein R1 is optionally substituted alkyl or optionally substituted aryl; R2 is alkyl, cycloalkyl, optionally substituted phenylalkyl or heterocyclic substituted alkyl; R3 is alkyl, optionally s...
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WO/1984/000165A1 |
A novel process for preparing amidoalkanesulfonic acids represented by formula (3) and their derivatives by reacting a nitrile compound (1) with beta-hydroxyalkanesulfonic acid or its derivative (2) in conc. sulfuric acid. Of the compoun...
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WO/1982/003866A1 |
Purified bis (3,5-dialkyl-4-hydroxyphenyl) sulfone useful for production of improved carbonate polymer. This sulfone is precipitated by deammoniation of an aqueous solution and then removed from the supernatant solution. This produces a ...
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WO/1981/003171A1 |
Aromatic derivatives of acetic acid (Alpha)-substituted by a sulfo group having the formula: (FORMULA) wherein: R represents a hydrogen atom, an alkaline or alkaline-earth cation or an ammonium compound with the restriction that R is ide...
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WO/1980/001350A1 |
A skin-equivalent useful in the treatment of burns or other skin wounds, is prepared from a hydrated collagen lattice contracted by fibroblast cells to form a living tissue which supports a layer of growing keratinocyte cells thereon, wh...
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WO/1979/000701A1 |
Petroleum sulfonates yielding improved results in enhanced oil recover processes are comprised of a reaction product obtained from a mixture of a major proportion of a petroleum oil feed stock, such as a crude or a portion thereof, and a...
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WO/1979/000517A1 |
New derivates from benzamide therapeutically active, of the general formula (FORMULA) in which R1 and R2 are, independently from each other, hydrogene or a lower alkyl group, R3 is a phenyl group or a lower alkyl or a lower alkenyl, R4 i...
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JP7453365B2 |
The present invention addresses the problem of providing N-(5-methoxy-2-phenoxyphenyl)methanesulfonamide with a reduced amount of impurities; and a method for producing the same. According to the present invention, provided are: N-(5-met...
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JP7445606B2 |
The present invention relates to a process for preparing haloalkanesulfonic acids from sulfur trioxide and a haloalkane, particularly to a process for preparing trifluoromethane sulfonic acid from sulfur trioxide and trifluoromethane.
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JP2024028794A |
The present invention provides the use of a compound for preparing a medicament for treating pancreatic cancer. The present invention provides the use of a compound 2250 having the following structural formula, wherein said compound 2250...
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JP7441725B2 |
To provide a method that can produce fluorine-containing alkylsulfonyl chloride in high yield without using chlorine gas.A method for producing fluorine-containing alkylsulfonyl chloride includes reacting fluorine-containing alkylthioure...
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JP7440334B2 |
To provide a method for producing vinyl sulfonyl fluoride having a repeatable reaction cycle.The present invention relates to a method for producing vinyl sulfonyl fluoride represented by general formula (1), including a cyclization step...
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JP7433673B2 |
A series of new macrocycles and cage-like molecules are obtained in a high yield from a bis-(2,4-dialkoxyphenyl)arene (naphthalene, anthracene, pyrene, porphyrin, etc.) or a tris-(2,4-dialkoxyphenyl)arene (benzene, sym-tribenzobenzene) a...
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JP2024021235A |
[Object] To provide a fluorene compound having a sulfonic acid ester structure and an allyl group, which can be used as a raw material for the synthesis of a fluorene skeleton-containing organosilicon compound having excellent light resi...
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JP7431815B2 |
A crystalline form of treosulfan and methods to prepare it are described. This crystalline form of treosulfan is useful in pharmaceutical compositions for the treatment of cancer and for conditioning therapy before transplantation of bon...
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JP7427793B2 |
The present disclosure provides a system for efficiently preparing taurine, including: a solution storage unit configured to store a solution containing alkali metal taurinate, the solution being prepared by an ethylene oxide process; an...
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JP7426976B2 |
A method, comprising i) contacting an aqueous solution of an organic ligand salt of the formula AX(L−X) with a mesoporous material (MPM) to form an impregnated mesoporous salt material of the formula AX(L−X)/MPM, ii) treating the imp...
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JP7420776B2 |
The invention relates to a method for the purification of acrylamido-2-methyl-2-propanesulphonic acid comprising the following successive steps:1) preparation of a suspension of acrylamido-2-methyl-2-propanesulphonic acid crystals by dis...
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JP2024001848A |
The present invention provides a method for the circular production of columnar taurine, which is a novel process, has high efficiency, and reduces both production cost and energy consumption through recycling. [Solution] A taurine aqueo...
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JP7403902B1 |
[assignment] To provide a method for producing an organic sulfonic acid compound in which chlorine ions are efficiently reduced without causing precipitation during purification. [Solution] Reaction step 1: Synthesizing an organic sulfon...
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JP2023551152A |
The surfactant composition comprises greater than 70% by weight of an intimate mixture of an N-acylalaninate surfactant of formula (I) and an N-acylamino acid surfactant of formula (II). A method for preparing a blend of an N-acylalanina...
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JP7382503B2 |
The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition with which a pattern having excellent LWR performance can be obtained, a resist film, a pattern forming method, a method for manufacturing a...
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JP2023162264A |
To provide novel methods for preparing indolinobenzodiazepine dimer compounds and their synthetic precursors.A method for preparing a compound of formula (2d) or a salt thereof includes reacting a compound of formula (1d) with an alcohol...
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JP2023157902A |
To provide a topical dermatological composition containing taurine in crystalline form, which have a smooth feel without skin irritation.Provided is a topical dermatological composition comprising fine acicular or columnar crystals of ta...
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JP7364841B2 |
The purpose of the present invention is to provide methods for producing a carboxamide compound, a sulfonamide compound, and an ester compound using an acid halide. The methods for producing a carboxamide compound, a sulfonamide compound...
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JP7365444B2 |
Provided are high-purity styrenesulfonic acids having markedly decreased bound bromine and polymers thereof that are useful as modifiers for secondary batteries, dopants for conductive polymers, additives for semiconductor abrasives and ...
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JP7364783B2 |
The present invention provides new arylsulfonamide compounds having the general formula (I)wherein L, R1, R2, R3 and R4 are as described herein, compositions including the compounds, processes of manufacturing the compounds and methods o...
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JP7358379B2 |
The invention relates to method of enhancing yield of alkyl taurate amides using enhancing specifically phosphoric acid catalysts. It further relates to the use of phosphoric acid to enhance yield while avoiding and/or reducing undesirab...
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JP2023135271A |
To provide an ionic liquid that includes tosylic acid anions and can be handled as a liquid at room temperature.The present invention provides a tosylic acid anionic ionic liquid represented by the formula (1) (where R1 represents a C1-4...
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