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| Number | Title | Issue Date |
| 7968742 | Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for performing faster, strongly exothermic gas/liquid reactions A method and a device for the sulfonation or the sulfation of organic liquid raw materials with an SO3/air mixture and other reaction gases in order to perform rapid, highly exothermic gas-liquid reactions in conventional thin-layer falling-film reactors ... | 06/28/2011 |
| 7363978 | Methods of using reactive surfactants in subterranean operations Novel uses of reactive surfactants in treating subterranean formations and/or proppant particulates are provided. In one embodiment, the present invention provides a method comprising: providing a treatment fluid that comprises a base fluid and a reactive surfactant... | 04/29/2008 |
| 7335802 | Methods of preparing branched aliphatic alcohols Systems and methods to produced branched aliphatic alcohols are described. Systems may include a dehydrogenation-isomerization unit, an olefin dimerization unit, an olefin isomerization unit, a hydroformylation unit, a dehydrogenation unit, a hydrogenation unit and/... | 02/26/2008 |
| 7256317 | Process for the preparation of surfactant alcohols and surfactant alcohol ethers, the prepared products and their use The invention describes a process for the preparation of novel surfactant alcohols and surfactant alcohol ethers by derivatization of olefins having from about 10 to 20 carbon atoms or of mixtures of such olefins to give alkanols, and optional subsequent alkoxylatio... | 08/14/2007 |
| 7091387 | Process to convert alkanes into primary alcohols This invention provides a process to convert alkanes to primary alcohols of the same carbon number. Carbon numbers of particular interest are C8 to C18. The process comprises the steps of: a) halogenating a linear or branched (or mixture of lin... | 08/15/2006 |
| 6992055 | Process for preparing detergent compositions having high bulk density A method for producing detergent granules, includes the step of dry-neutralizing a liquid acid precursor of a non-soap, anionic surfactant with a water-soluble, solid, alkali inorganic substance. In this method, a dry-neutralizing step is carried out in the presence... | 01/31/2006 |
| 6933415 | Low-VOC aqueous coating compositions with excellent freeze-thaw stability The present invention is an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content. The aqueous coating composition of the invention includes at least one latex polymer derived from at least one monomer and at least one polymerizabl... | 08/23/2005 |
| 6891056 | Branched primary alcohol compositions and derivatives thereof A detergent composition having cold water solubility and exhibiting high calcium tolerance can be produced from biodegradable branched ether derivative compositions derived from a branched ether primary alcohol represented by the formula: | 05/10/2005 |
| 6482860 | Pentafluorobenzenesulfonamides and analogs The invention provides methods and compositions relating to novel pentafluorophenylsulfonamide derivatives and analogs and their use as pharmacologically active agents. The compositions find particular use as pharmacological agents in the treatment of dis... | 11/19/2002 |
| 6433207 | Branched surfactant manufacture Alpha-olefins are dimerized to form branched-chain feedstocks for detersive surfactants.... | 08/13/2002 |
| 6307069 | 1,2 - Dioxolane decomposition reactive emulsifier and polymer-modifying method using the same The decomposition reactive emulsifier of this invention is a compound of formula (I): ##STR1## wherein R1 and R2 are the same or different and each represents an alkyl or alkenyl group of from 1 to 20 carbon atoms or a hydrogen atom ... | 10/23/2001 |
| 6121222 | Anionic surfactants having multiple hydrophobic and hydrophilic groups A novel class of anionic surfactants with improved surfact active properties is comprised of two hydrophilic and two hydrophobic groups represented by the formula: ##STR1## The surfactants exhibit unusually low critical micelle concentration (cmc) ... | 09/19/2000 |
| 5847183 | Fatty alcohol (ether) sulfates with improved low-temperature behavior Fatty alcohol (ether) sulfates which are obtained by co-sulfating mixtures of (a) C8-22 fatty alcohols and (b) C8-22 fatty alcohol ethoxylates containing an average of 1.9 to 3.9 ethylene oxide units in a ratio by weight of 20:80 to ... | 12/08/1998 |
| 5770756 | Highly concentrated alkyl sulphate solutions A process for making high active alkyl sulphate solutions comprising premixing alcohol and/or alkoxylated nonionic surfactant with an organic amine and adding sulfuric acid to the premix to produce a neutralized product having substantially no water is pr... | 06/23/1998 |
| 5670690 | Compositions and methods for removal of detergents Compounds having detergent properties are disclosed. When a modifying reagent is brought into contact with these compounds, the detergent properties are decreased. These compounds are useful, for example, as solubilizing agents for microbial antigens and/... | 09/23/1997 |
| 5565598 | Process for the production of substantially odorless fatty alcohol ethersulfate salts A process for the production of a mixture of substantially odorless fatty alcohol ethersulfate salts corresponding to formula (I): R1 --(OCH2 CH2)n --O--SO3 X (I) in which R1 is an alkyl radica... | 10/15/1996 |
| 5525732 | Poly-perfluoroalkyl-substituted alcohols and acids, and derivatives thereof Di-, tri- and poly-perfluoroalkyl-substituted alcohols and acids and derivatives thereof are described which are prepared from perfluoroalkyl iodides and di-, tri- or polyallyl alcohols or acids. These compounds contain two or more perfluoroalkyl-iodoalky... | 06/11/1996 |
| 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 residue.... | 11/14/1995 |
| 5386017 | Alkenes for producing chemiluminescent 1, 2-dioxetane compounds Novel alkenes leading to light producing 1,2-dioxetanes of the formula ##STR1## wherein ArOX is an aryl ring substituted with an X oxy group and A are passive organic groups which allow the 1,2-dioxetane to produce light when triggered by removing X.... | 01/31/1995 |
| 5329040 | Process for the continuous preparation of aminoaryl or aminoalkyl ଲ-sulfatoethyl sulfones In the process for the continuous preparation of aminoaryl or aminoalkyl ଲ-sulfatoethyl sulfones by reaction of the corresponding ଲ-hydroxyethyl sulfones with sulfuric acid in a molar ratio of 1:1 to 1:1.15 at temperatures above 120 ° C. a mi... | 07/12/1994 |
| 5322957 | Process for the production of partial glyceride sulfates Processes for the production of partial glyceride sulfates comprising the steps of: A) reacting a mixture containing glycerol and at least one triglyceride with gaseous sulfur trioxide to produce at least one acidic reaction product; B) ageing the at leas... | 06/21/1994 |
| 5120364 | Heteroatom containing perfluoroalkyl terminated neopentyl sulfates and salts thereof The present invention relates to perfluoroalkyl substituted sulfates and salts thereof of the formulas (Rf X CH2)x C(CH2 OH)y (CH2 OSO3 -M+)z ... | 06/09/1992 |
| 4954646 | Process for the preparation of sulfated alkanol oxethylates or alkylphenol oxethylates having a lowered content of 1,4-dioxane A process for the preparation of sulfated alkanol oxethylates or alkylphenol oxethylates is described. After completion of the reaction with SO3, 0.1 to 0.5% by weight, relative to the alkanol oxethylates or alkylphenol oxethylates employed, of... | 09/04/1990 |
| 4918211 | Surface active compounds having a polymerizable moiety Novel surfactants of the formula: ##STR1## wherein R1 is alkyl, alkenyl or aralkyl of 4-18 carbon atoms, R2 is hydrogen or same as R1, R3 is hydrogen or methyl, A is alkylene of 2-4 carbon atoms, and n is 1... | 04/17/1990 |
| 4885379 | Neutralized alkyl ether sulfuric acid half-ester compositions containing polyhydroxy oligomers Alkyl ether sulfuric acid half-esters are neutralized in the presence of polyhydroxy oligomers such as polyglycerol to provide half-ester salt compositions of high activity and good viscosity characteristics. The products are particularly useful in shampo... | 12/05/1989 |
| 4814514 | Surface active compounds having a polymerizable moiety Novel surfactants of the formula: ##STR1## wherein R1 is alkyl, alkenyl, alkylaryl or aralkylaryl of 8-30 carbon atoms, A is alkylene of 2-4 carbon atoms, x is 0, or 1-100 and y is 1-200. Sulfates, phosphates and sulfosuccinates thereof are als... | 03/21/1989 |
| 4659855 | Aryl sulfonyl fluoride compounds Certain novel aryl sulfonyl fluorides, their preparation, and their use in inhibiting serine proteases with chymotrypsin-like and elastase-like specificity.... | 04/21/1987 |
| 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 agent of a low moisture content is conducted in a wiped film ... | 10/01/1985 |
| 4476045 | Surfactant This invention describes high active content surfactant products which are neutralized with an amine which is a secondary or tertiary amine containing at least one group of three carbon atoms attached to the nitrogen atom; and which further contain at lea... | 10/09/1984 |
| 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 neutralization process is highly exothermic and contains as a by-... | 02/07/1984 |
| 4399077 | Certain polyoxy perfluorinated surface active oligomers Perfluorinated surface-active block or random oligomers of the formula ##STR1## where R denotes a C2 -C18 -hydrocarbon or- hydrofluorocarbon radical, Y denotes a C6 -C13 -fluorocarbon or- hydrofluorocarbon radic... | 08/16/1983 |
| 4322367 | Deoiling of aqueous solutions of sodium lauryl sulfate Free oil, often an objectionable impurity in synthetic organic detergents, such as sodium lauryl sulfate, is removed from aqueous solutions by extraction thereof with hexane in the presence of lower alkanol, with the proportion of the alkanol present bein... | 03/30/1982 |
| 4285881 | Dioxane removal from ether sulfate Dioxane impurities in ether sulfates are removed by using a novel steam stripping technique in which water is neither added to nor removed from ether sulfate. This is possible because the chemical potential of water in the vapor phase is kept at the same ... | 08/25/1981 |
| 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 reaction product immediately downstream of the venturi in a c... | 05/12/1981 |
| 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 solution, thereby preparing a crude neutralization product contai... | 04/14/1981 |
| 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 second fluid passes. The mixer can impart high turbulence t... | 04/14/1981 |
| 4208466 | Anionic fluorochemical surfactants, process of coating and treated polymeric shapes 6-Hydroxyhexyl perfluoroisopropyl ether is prepared by reaction of hexafluoroacetone and potassium fluoride to obtain an alcoholate which is then reacted with 1-chloro-6-hexanol. One mole of the ether may be reacted with about 1 mole to about 20 moles of ... | 06/17/1980 |
| 4185030 | 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 reaction product immediately downstream of the venturi in a c... | 01/22/1980 |
| 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 the organic liquid is continuously formed into a thin fil... | 08/07/1979 |
| 4153625 | Neutralization process 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 neutralization process is highly exothermic and contains as a by-... | 05/08/1979 |
