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7235684 |
Process for preparing (branched-alkyl) arylsulfonates and a (branched-alkyl) arylsulfonate composition
A process for preparing branched alkyl aromatic hydrocarbons, which process comprises contacting branched olefins with an aromatic hydrocarbon under alkylating conditions, which branched olefins...
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7087777 |
Process for preparing a branched olefin, a method of using the branched olefin for making a surfactant, and a surfactant
A process for preparing branched olefins comprising 0.5% or less quaternary aliphatic carbon atoms, which process comprises dehydrogenating an isoparaffinic composition over a suitable catalyst...
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6989038 |
Mixture of sulfuric esters
The invention relates to novel mixtures of sulfuric esters and specific sulfuric esters that are useful as leveling agents for the dyeing of nitrogenous fiber materials and to a process for their...
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6896705 |
Mixtures of sulfuric esters
The invention relates to novel mixtures of sulfuric esters and specific sulfuric esters that are useful as leveling agents for the dyeing of nitrogenous fiber materials and to a process for their...
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6765106 |
Process for preparing a branched olefin, a method of using the branched olefin for making a surfactant, and a surfactant
A process for preparing branched olefins comprising 0.5% or less quaternary aliphatic carbon atoms, which process comprises dehydrogenating an isoparaffinic composition over a suitable catalyst...
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6462215 |
Sulfonation, sulfation, and sulfamation
A process that can be used for sulfonating, sulfating, or sulfamating an organic compound is disclosed. The process can comprise, consist essentially of, or consist of, contacting the organic...
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6277845 |
Hydrazono-benzazulene derivatives, pharmaceutical compositions and intermediates
Compounds of the formula ##STR1## wherein the substituents are as defined in the application and their pharmaceutically acceptable acid and base salts thereof which are useful for preventing loss...
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6111102 |
Processes for preparing sulfonylureas
Compounds of the formula I or salts thereof, in which X is oxygen, --O--NR 2 -- or --SO 2 --NR 2 --, and Y is N or CH, R 1 is (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl or (C 2 -C 6...
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5847183 |
Fatty alcohol (ether) sulfates with improved low-temperature behavior
Fatty alcohol (ether) sulfates which are obtained by co-sulfating mixtures of (a) C 8 -22 fatty alcohols and (b) C 8 -22 fatty alcohol ethoxylates containing an average of 1.9 to 3.9 ethylene oxide...
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5498491 |
Solid electrolytes derived by polymerization of vinyl sulfonate derivatives
This invention is directed to solid electrolytes containing a solid polymeric matrix derived from vinyl sulfonate polyalkylene oxides.
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5466851 |
Detergent production
A method of preparing PAS acid is disclosed which involves sulphating an alcohol feedstock and incorporating in the reaction product, a stabilizing agent which comprises an (hydroxy) alkylene oxide...
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5446188 |
Process for the production of highly concentrated fatty alcohol sulfate pastes
A process for the production of a highly concentrated fatty alcohol sulfate paste comprising the steps of: (1) forming a crude sulfonation product by reacting a mixture of an inert gas and sulfur...
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5438059 |
Certain acrylates having fungicidal activity
Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein R 1 is optionally substituted aryl or optionally substituted heteroaryl; Y is oxygen, sulphur or NR 4 ; R 2 ,...
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5329040 |
Process for the continuous preparation of aminoaryl or aminoalkyl β-sulfatoethyl sulfones
In the process for the continuous preparation of aminoaryl or aminoalkyl β-sulfatoethyl sulfones by reaction of the corresponding β-hydroxyethyl sulfones with sulfuric acid in a molar ratio of...
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5304669 |
Process for the production of alkyl sulfate pastes having improved flow properties
The alkylsulphate pastes disclosed can be prepared by sulphonating mixtures containing a)50-90% by weight of at least one aliphatic primary alcohol with 6-22 carbon atoms and b)1-50% by weight of...
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5233081 |
Method for sulfonation using porous absorber material
A method for preparing a sulfonated compound with minimal or no waste products using a porous inorganic material absorber. The absorber is saturated with a compound to be sulfonated and then...
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5159082 |
Process for producing aromatic compound
A process for producing an aromatic compound is disclosed, which comprises coupling an aromatic sulfinic acid or a salt thereof with an aromatic halogen compound having at least one halogen atom...
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4544493 |
Neutralization of organic sulfuric or sulfonic detergent acid to produce high solids concentration detergent salt
A process for neutralizing an organic sulfuric or sulfonic detergent acid, e.g., lauryl sulfuric acid or mixture of such acids, in liquid state, with a liquid solution or slurry of neutralizing...
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4461730 |
Method for the selective preparation of secondary alcohols and derivatives thereof
A method for the preparation of secondary alcohol mixtures by selective reaction of an olefin or olefin mixture and a carboxylic acid compound in the presence of zeolite mordenite. The reaction...
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4430271 |
Energy transfer
This invention relates to a process for neutralizing detergent acid mixes containing unreacted sulfating agent such as sulfuric acid with an alkaline component such as sodium hydroxide. The...
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4311650 |
Multi-stage neutralization of sulfated compounds
This invention relates to a process for the multi-stage neutralization of sulfated compounds, particularly sulfuric acids obtained by sulfating alcohols.
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4267119 |
Sulfonating method
An organic reactant is sulfonated by injecting it into a stream of gas comprising sulfur trioxide, at a venturi, and the resulting reaction mixture is quenched with a stream of cooled, recycled...
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4261916 |
Sulph(on)ation process
An orifice plate mixer for mixing 2 fluids has an axial orifice perpendicular to the plate through which bore a first fluid passes and a port in the internal wall of the orifice through which the...
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4261917 |
Process for manufacturing a highly concentrated sulfate solution or slurry
A process for manufacturing a highly concentrated sulfate solution or slurry which comprises neutralizing a sulfuric ester of higher alcohol or its ethoxylate with an aqueous caustic alkali...
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4226796 |
Sulph(on)ation process
Sulph(on)ation of organic feedstocks is performed with undiluted sulphur trioxide in a recycle loop reactor in which the feedstock is diluted with its recycled sulph(on)ation product, contact of...
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4175092 |
Extraction process
Non-surface active organic material is recovered from an aqueous-based mixture comprising water, sulphated or sulphonated organic matter and non-surface active organic material by extracting said...
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4163751 |
Thin film reaction process
A process is disclosed which comprises the steps of introducing a stream of the organic liquid onto a plurality of rotating reacting surfaces, rotating the reacting surfaces at a velocity such that...
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4102911 |
Sulfonating or sulfating method
A method for reacting sulfur trioxide and sulfateable or sulfonateable liquid organic compounds such as alcohols, and unsaturated or aromatic compounds is disclosed which comprises contacting said...
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4097242 |
Sulfonation apparatus
A sulfonation apparatus comprising a plurality of vertical first-stage reaction tubes in which the sulfonatable material and an SO 3 -containing gas are flowed upwardly from the lower ends thereof...
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4086256 |
Process for sulfonation
Sulfonation of a sulfonatable organic compound is effected by means of a two-stage reaction with an SO 3 -containing gas, in which the first-stage reaction is carried out by flowing, in parallel...
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4036875 |
Process for the continuous sulphonation of alkyl aromatic hydrocarbons
An improved process is provided for the continuous sulphonation and/or sulphation of organic substances with sulphur trioxide gas mixed with an inert gaseous diluent, at an increased production...
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3971815 |
Acid mix process
Low viscosity detergent acid mixes are prepared by reacting an ethoxylated alcohol, alkyl benzene, fatty alcohol, or other sulfatable detergent precursor with a sulfating agent in the presence of...
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3931273 |
Method for sulphonatizing and sulphatizing organic compounds with sulphur trioxide and apparatus therefor
A continuous method for sulphonating and sulphating liquid organic compounds with gaseous sulphur trioxide diluted with inert gas in a plurality of externally cooled, parallel reaction tubes with...
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3918917 |
Apparatus for reacting organic compounds and sulfur trioxide
A multi-tube thin-film type reaction apparatus for the reaction of an organic compound and gaseous sulfur trioxide, said apparatus comprising a plurality of tube assemblies comprising a reaction...
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3919125 |
Method of preparing a highly concentrated solution of a higher secondary alcohol ethoxysulfate and such a concentrated solution
A higher secondary alcohol ethoxysulfate, an aqueous solution of a caustic alkali and ethanol are fed continuously or batch-wise into a neutralization vessel to neutralize the higher secondary...
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3891689 |
Continuous sulphonation process
A sulphonation process involving a liquid organic material and sulphur trioxide is conducted in at least two separate steps, an initial step being conducted under conditions defined by a...
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3865861 |
SULPHATION OF SECONDARY ALCOHOLS
A process for sulphating secondary alcohols having from eight to 26 carbon atoms with free SO 3 in which insufficient SO 3 is employed to effect complete sulphation of the alcohol the product is...
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3864375 |
Thin-film type sulfonation process
A process for thin-film type sulfonation of a sulfonatable reactant such as olefins and higher alcohols, which comprises adding a small amount of non-ionic surface active agent to said reactant and...
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3860520 |
ODOR REDUCTION IN ALCOHOLS
Alkanols of 12 to 30 carbon atoms containing alkanediols as the principal odor precursor for use in preparation of detergents by sulfation are treated with 100 to 500 ppm of an alkali borohydride...
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3681424 |
SECONDARY ALKYL SULFATE DETERGENT PROCESS
Secondary-alkyl sulfates are prepared by sulfating a C 9 --C 18 sulfatable compound such as a monohalogenated paraffin, monohydroxylalcohol or mono-olefin, in admixture with a C 9 --C 18 linear...
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3551460 |
PROCESS FOR SULPHONATION
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3544555 |
SULFATION OF ALCOHOLS WITH A SOLUTION OF A COMPLEX OF SO3 WITH DIMETHYLFORMAMIDE
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3505414 |
HYDROGENATION PROCESS FOR ALCOHOLS
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3484474 |
NOVEL SULFATION OF SECONDARY ALCOHOLS AND NOVEL SULFATION PRODUCT
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3462474 |
SULFONATION PROCESS
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3449446 |
PURIFICATION OF ALCOHOLS
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3438742 |
APPARATUS FOR CONTINUOUS SULPHONATION AND/OR SULPHATION OF ORGANIC SUBSTANCES
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3438744 |
APPARATUS FOR SULPHONATING AND/OR SULPHATING ORGANIC COMPOUNDS CONTROLLING THE SULPHONATION OR SULPHATION DEGREE ACCORDING TO THE CONDUCTIVITY OF THE REACTION MIXTURE
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3427342 |
CONTINUOUS SULFONATION PROCESS
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3413331 |
Sulfation of a mixture of primary and secondary alcohols
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