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| Number | Title | Issue Date |
| 7371892 | Method for processing β-sulphatoethylsulphonylaniline-2-sulphonic acid A process for working up β-sulfatoethylsulfonylaniline-2-sulfonic acid from a solution in aqueous sulfuric acid, comprises a first step of the β-sulfatoethylsulfonylaniline-2-sulfonic acid being precipitated by addition of alkali or alkaline earth metal and... | 05/13/2008 |
| 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 |
| 7329705 | Salt-sensitive binder compositions with N-alkyl acrylamide and fibrous articles incorporating same A salt sensitive polymeric binder for use in fibrous webs, where the binder contains a copolymer of carboxylic acid monomer units, acrylate monomer units, and N-alkyl acrylamide units. The copolymer is neutralized at least to the point where it is water soluble. The... | 02/12/2008 |
| 7320831 | Salt-sensitive vinyl acetate binder compositions and fibrous article incorporating same A salt sensitive polymeric binder for use in fibrous webs, where the binder contains a copolymer incorporating the residue of vinyl acetate, a carboxylic acid, and a vinyl ester of a saturated aliphatic monocarboxylic acid having between 6 and 18 carbon atoms in the... | 01/22/2008 |
| 7173085 | Salt sensitive aqueous emulsions This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsaturated monome... | 02/06/2007 |
| 7115235 | Rotating surface of revolution reactor with temperature control mechanisms A reactor including a rotatable disc (3) having first (5, 19) and second (20, 30) surfaces. Reactant (15) is supplied to the first surface (5, 19) by way of a feed (4), the disc (3) is rotated at high speed, and the r... | 10/03/2006 |
| 6972113 | Rotating surface of revolution reactor with enhanced surface features A reactor including a rotatable disc (3) having a surface (5) onto which reactant (15) is supplied by way of a feed (4). The disc (3) is rotated at high speed, and the reactant (15) spills over the surface (5) so as t... | 12/06/2005 |
| 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 |
| 6756409 | Phenoxyphenyl alkanesulphonates The invention relates to novel phenoxyphenyl alkanesulphonates, processes for their preparation, their use for producing medicaments for the treatment and/or prophylaxis of diseases, in particular for the treatment of states of pain and neurodegenerative disorders. | 06/29/2004 |
| 6455573 | Glycosidase inhibitors and methods of synthesizing same A method for synthesizing Salacinol, its stereoisomers, and non-naturally occurring selenium and nitrogen analogues thereof having the general formula (I): ##STR1## The compounds are potentially useful as glycosidase inhibitors. The synthetic schemes... | 09/24/2002 |
| 5625089 | Aniline derivatives Anilines of the formula ##STR1## where rings A and B may each be benzofused, X is a bridge member, R1 and R2 are each hydrogen, C1 -C4 -alkyl, C1 -C4 -alkoxy, halogen, hydroxysulfonyl, carb... | 04/29/1997 |
| 5606092 | Monoazo compounds and method for dyeing or printing fiber materials using the same A monoazo compound of the following formula, ##STR1## wherein D is phenylene or naphthylene; X is halogeno, pyridinio or ##STR2## B is --OR3, --SR4, ##STR3## in which R3, R4, R5 and R | 02/25/1997 |
| 5563129 | Hydroquinone derivatives and intermediates for production thereof There are disclosed novel hydroquinone derivatives of the formula: ##STR1## The derivatives of the formula (I) have various pharmacological activities such as antioxidation in living bodies and are useful as medicaments.... | 10/08/1996 |
| 5488180 | Complex hydrophobe compounds This invention relates to complex hydrophobe compounds and to alkoxylation products, i.e., condensation reaction products of alkylene oxides and complex hydrophobe compounds having at least one active hydrogen. This invention also relates to alkoxylation ... | 01/30/1996 |
| 5424405 | Fiber-reactive monoazo dyes having A2-vinylsulfonyl-5-haloacryloylaniline diazo component or the like The fibre-reactive dyes of the formula ##STR1## where the variables are each as defined in the claims, are suitable in particular for dyeing nitrogen-containing and hydroxyl-containing fibre materials.... | 06/13/1995 |
| 5405993 | Reactive formazan dyes and hydrazones There are described formazan dyes of the formula ##STR1## where n is 1 or 2, Kat.cndot. is the equivalent of a cation, Me is copper or nickel, X is a radical of the formula CO-O or SO2 -O, Y is vinyl or a radical of the formula C2 H4... | 04/11/1995 |
| 5332854 | Surfactant The surfactant of this invention is a compound of general formula (I) ##STR1## wherein R1 is an alkyl, alkenyl or aralkyl group containing 6 to 18 carbon atoms; R2 is a hydrogen atom or an alkyl, alkenyl or aralkyl group contain... | 07/26/1994 |
| 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 |
| 5082963 | Process for the regiospecific sulfonation of sulfonyl substituted 2-aminonaphthalenes and fiber reactive azo dyes made from the products of said process A process for the preparation of isomerically pure sulfonic acids of 2-aminonaphthalenes having a fiber reactive substituent of the formula --(SO2 X) wherein X is --CH2 --CH2 --Z and Z is a substituent such as thiosulfato,... | 01/21/1992 |
| 5023326 | Reactive dyes containing the 2-(cyano, carbonamido, sulfo-, hydroxy- or sulfato-C2 -C5 -alkyleneamino)-6-sulfo- or 3,6-disulfo-8-hydroxynaphthyl-(1) coupling component Reactive dyes of the formula ##STR1## in which Y is hydrogen or sulfo, U is --CN, --CONH2, --SO3 H, --OH or --OSO3 H, D is a phenyl or naphthyl radical, which can be substituted by C1 -C4 alkyl, ... | 06/11/1991 |
| 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 |
| 4939283 | 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... | 07/03/1990 |
| 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 |
| 4912134 | Azulene derivatives and pharmaceutical compositions containing them Azulene derivatives of the following formula ##STR1## wherein R1 stands for an alkyl group of 1 to 3 carbon atoms, R2 stands for an alkyl group of 1 to 3 carbon atoms, and R3 is at the 5- or 6-position and stands for ... | 03/27/1990 |
| 4826876 | Chemical compounds having selective thyromimetic activity This invention relates to chemical compounds which have selective thyromimetic activity. A compound of this invention is 3,5-dibromo-3'-[6-oxo-3(1H)-pyridazinyl-methyl]-thyronine.... | 05/02/1989 |
| 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 |
| 4778911 | Process for preparation of 3-(acyl)amino-4-alkoxy-phenyl-ଲ-hydroxyethyl-sulfone (sulfonates) A process for the preparation of 3-(acyl)amino-4-alkoxy-phenyl-ଲ-hydroxyethyl-sulfone (sulfates) of the formula (1) ##STR1## in which R1 is alkyl having 1-4 carbon atoms and R2 is hydrogen or one of the groupings ... | 10/18/1988 |
| 4739040 | Surfactants from lignin A method of producing surfactants from lignin is disclosed by reducing lignin in the presence of a carbon monoxide or hydrogen reducing agent at high temperature and pressure to produce low molecular weight lignin phenols and subjecting the lignin phenols... | 04/19/1988 |
| 4678855 | Substituted benzenesulfonamides Benzenesulfonamides with a substituted-alkyl-S(O)n -substituent are carbonic anhydrase inhibitors useful in the treatment of elevated intraocular pressure.... | 07/07/1987 |
| 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 |
| 4659856 | 4,4'-bis-(ଲ-hydroxyethylsulfonyl)-biphenyl and its esters Compounds of the general formula (1) ##STR1## in which the Zs, preferably identical to each other, each denote a hydroxy group or a sulfato, thiosulfato or phosphato group. They can be prepared by first converting biphenyl by sulfochlorination into ... | 04/21/1987 |
| 4563189 | Treatment of fibers with arylating agents to enhance disperse dyeability A method for treating natural textile fibres and synthetic polyamide fibres to enhance their affinity for disperse dyestuffs which comprises treating the fibres with an aqueous solution or dispersion of an arylating agent. The arylating agent contains bot... | 01/07/1986 |
| 4482501 | Process for producing aminoaryl-ଲ-sulfatoethylsulfone An improved process for producing sulfuric acid semiesters of the formula: wherein A is a substituted or unsubstituted aromatic group, and n is an integer of 1 or 2, which are important as intermediates of the vinylsulfonic reactive dyes, said process comprisi... | 11/13/1984 |
| 4464292 | Mixed ethoxylated alcohol/ethoxy sulfate surfactants and synthetic detergents incorporating the same A process for the preparation of mixed ethoxylated alcohol/ethoxy sulfate surfactants, such surfactants, and detergent formulations incorporating the same. The mixed surfactants comprise a neutralized blend incorporating, in addition to the sulfated and u... | 08/07/1984 |
| 4450114 | Process for production of sulfuric acid semiesters A compound having at least one --SO2 CH2 CH2 OSO3 M group in the molecule, wherein M is hydrogen or an alkali metal, which is useful as a reactive dye for dying cellulose fiber materials or as an intermediate fo... | 05/22/1984 |
| 4407748 | Azo dyestuffs possessing antimicrobial properties Azo dyestuffs, possessing antimicrobial properties, having the formula: ##STR1## wherein X is --OCH3 or --SO3 Na, Y is ##STR2## or --SO2 CH2 CH2 OSO3 Na, A is a derivative of naph... | 10/04/1983 |
| 4378313 | Reactive yellow dye having both monochlorotriazinyl and vinylsulfone type reactive groups The compounds represented, in the form of free acid, by the following general formula (I): ##STR1## (wherein A is ##STR2## (wherein R3 and R4 are each hydrogen or a methyl, ethyl, methoxy, ethoxy, acetylamino, propion... | 03/29/1983 |
| 4372892 | Process for the preparation of 1-aminobenzene-5-ଲ-sulfatoethylsulfone-2,4-disulfonic acid, the 5-vinylsulfone compound and the alkali salts thereof New compounds had been found which correspond to the formula ##STR1## as well as processes for preparing them by sulfonation of 3ଲ-sulfato- or 3-ଲ-hydroxyethylsulfonyl - aminobenzene. The novel compounds are valuable intermediary products... | 02/08/1983 |
| 4351765 | Process for the production of compounds having in the molecule at least one ଲ-sulfatoethyl-sulfone group and at least one sulfonic acid group A compound having at least one --SO2 CH2 CH2 OSO3 M group in the molecule, wherein M is hydrogen or an alkali metal, which is useful as a reactive dye for dying cellulose fiber materials or as an intermediate fo... | 09/28/1982 |
| 4346046 | Process for producing aminoaryl-ଲ-sulfatoethylsulfone An improved process for producing sulfuric acid semiesters of the formula: wherein A is a substituted or unsubstituted aromatic or heterocyclic group, and n is an integer of 1 or 2, which are important as intermediate of the vinylsulfonic reactive dyes, said p... | 08/24/1982 |
