Assignee: Cassella Aktiengesellschaft

Location: FrankfurtamMain, DE
No. of patents: 193

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Number	Title	Issue Date
5679704	Use of 2- (N-(2-aminoethyl)amino) acetic acid derivatives The invention relates to the use of 2-(N-(2-aminoethyl)amino)acetic acid derivatives of the formula I ##STR1## in which R denotes, for example, phenyl or thienyl, and their pharmacologically acceptable acid addition salts as pharmacological active ...	10/21/1997
5668236	Hydrophilic highly swellable hydrogels The present invention relates to a hydrophilic highly swellable hydrogel based on (co)polymerized hydrophilic monomers or based on graft (co)polymers, characterized in that it is post-crosslinked with a polyamidoamine in an aqueous medium....	09/16/1997
5554594	Imidazolidine derivatives The present invention relates to compounds of the general formula I ##STR1## in which R, R1 to R4, r, Y, Z and W are defined as indicated in the description, a process for their preparation and their use as inhibitors of platele...	09/10/1996
5554611	Use of coumarin derivatives The present invention consequently relates to the use of coumarins of the general formula I ##STR1## in which R1 and R6 are defined as indicated in the claims, for controlling and preventing disorders which arise as a result of ...	09/10/1996
5514806	Method of preparing 1-amino-2, 6-dimethylpiperidine The present invention relates to improved processes for the preparation of 1-amino-2,6-dimethylpiperidine whereby the yield is more than 90%. The processes involve the hydrogenation of 1-nitroso-2,6-dimethylpiperidine in the presence of a palladium cataly...	05/07/1996
5510489	Method of preparing 1-amino-2, 6-dimethylpiperidine The present invention relates to improved processes for the preparation of 1-amino-2,6-dimethylpiperidine whereby the yield is more than 90%. The processes involve the hydrogenation of 1-nitroso-2,6-dimethylpiperidine in the presence of a palladium cataly...	04/23/1996
5500436	2-(N-(2-aminomethyl)amino)acetic acid derivatives to inhibit advanced glycosylation The invention relates to the use of 2-(N-(2-aminoethyl)amino)acetic acid derivatives of the formula I ##STR1## in which R denotes, for example, phenyl or thienyl, and their pharmacologically acceptable acid addition salts as pharmacological active ...	03/19/1996
5486531	Hydroxymethylfurazancarboxylic acid derivatives The present invention relates to hydroxymethylfurazancarboxylic acid derivatives of the general formula I ##STR1## in which one of the radicals R1 and R2 represents hydroxymethyl and the other represents ##STR2## where...	01/23/1996
5466791	Monoazo dyes, their preparation and use The present invention relates to valuable monoazo dyes of the general formula I ##STR1## in which R is methyl or ethyl, R1 is methyl, ethyl, methoxyethyl or ethoxyethyl, R2 is methyl or ethyl, if n is equal to 0, and hydrogen, if n i...	11/14/1995
5424326	Phenyl-1,2,5-oxadiazolecarboxamide-2-oxides, their preparation and their use The present invention relates to phenyl-1,2,5-oxadiazolecarboxamide-2-oxides of the general formula I ##STR1## in which one of the radicals R1 and R2 represents ##STR2## and the other represents ##STR3## and R	06/13/1995
5399570	Aspartic acid derivatives, and their use for inhibiting platelete aggregation Aspartic acid derivatives of the formula ##STR1## in which X denotes, for example, ##STR2## and R denotes, for example, cyclohexylamino, have useful pharmacological properties....	03/21/1995
5393894	Process for the preparation of N-ethylcarbazole The present invention relates to a process for the preparation of N-ethylcarbazole by reaction of carbazole or N-ethoxycarbonylcarbazole with diethyl carbonate....	02/28/1995
5387716	N4-substituted 1-alkoxy-2-acylamino-4-aminobenzenes, process for their preparation and their use The present invention relates to compounds of the general formula I ##STR1## wherein R1 denotes formyl or (C1 -C3)-alkylcarbonyl, R2 denotes the group CH2 --CH(A)--B, wherein A represents hydroxyl and...	02/07/1995
5374640	Pyridyl-1,2,5-oxadiazolecarboxamide-2-oxides The present invention relates to pyridyl-1,2,5-oxadiazolcarboxamide-2-oxides of the general formula I ##STR1## in which one of the radicals R1 and R2 represents pyridyl and the other represents ##STR2## and R3	12/20/1994
5360812	Fused 1,2,5-oxadiazole-2-oxides and their use The present invention relates to fused 1,2,5-oxadiazole-2-oxides of the general formula I ##STR1## in which A denotes ##STR2## and X, Y, Z as well as R1, R2, R3 and n are defined as indicated in Claim 1, to ...	11/01/1994
5331059	Hydrophilic, highly swellable hydrogels The present invention relates to a hydrophilic, highly swellable hydrogel based on (co)polymerized hydrophilic monomers or based on graft (co)polymers, characterized in that it has been surface-modified by means of a mixture of A) one or more diglycidyl p...	07/19/1994
5288680	Process for the preparation of finished dyeings which are fast to thermomigration: orange-dyed polyester fabrics The present invention relates to a process for the preparation of finished dyeings of high fastness to thermomigration on fibre materials consisting completely or partly of polyester, characterized in that the material is dyed with one or more dyestuffs o...	02/22/1994
5280128	Process for the preparation of benzothioxanthene dyestuffs The present invention relates to a process for the preparation of benzothioxanthene dyestuffs and cyclisation of 3-(2'-aminophenylthio)-benzanathrones wherein the diazotisation and cyclisation are carried out simultaneously in polar, aprotic solvent in ...	01/18/1994
5278206	Binder for liquids Scatterable binder in pulverized form, for binding spilled liquids, comprising a) superabsorbers, b) Kieselguhr, peat, sawdust, wood meal, wood wool, straw, paper fibers, pulp or plastics in fibrous or milled form and c) polyglycol, the content of polyglycol b...	01/11/1994
5276247	Process for obtaining the hydrocarbon from a hydrocarbon-rich gel The present invention relates to a process for obtaining the hydrocarbon from a hydrocarbon-rich gel based on an ionic surfactant by treatment of the gel with a laminar mineral....	01/04/1994
5276248	Process for the storage and transportation of liquid hydrocarbons The present invention relates to the use of hydrocarbon-rich gels as a safe storage or transportation form for liquid hydrocarbons and to a process for the safe storage and safe transportion of liquid hydrocarbons, characterised in that a) the hydrocarbon...	01/04/1994
5274184	Aryl sulphide, aryl sulphoxide and aryl sulphone compounds The present invention relates to compounds of the general formula I ##STR1## wherein A.sym. and B.sym. independently of one another denote a proton, with the limitation that they do not both simultaneously denote protons, the eq...	12/28/1993
5221680	Substituted 3-aminosydnonimines Substituted 3-aminosydnonimines of the formula I ##STR1## and pharmacologically acceptable acid addition salts thereof, in which R1 denotes hydrogen or the radical --COR4, R2 denotes alkyl or phenyl alkyl having 1 to 4 C a...	06/22/1993
5216140	Monoazo dye and preparation and use thereof The monoazo dye of the formula ##STR1## is highly suitable for dyeing and printing hydrophobic fibres....	06/01/1993
5214075	Hydrophilic, swellable polymers The present invention relates to hydrophilic, swellable polymers which consist of radicals of the general formula I ##STR1## wherein R1 to R3 are defined as stated in the description, and of radicals of a crosslinking agent whic...	05/25/1993
5204475	Substituted 3-aminosydnone imines and salts thereof The invention relates to pharmacologically active substituted 3-aminosydnone imines of the general formula I ##STR1## in which n denotes 0 or 1, and their pharmacologically acceptable salts and acid addition salts, and to a process for the preparatio...	04/20/1993
5192795	2-(aminoalkyl)pyrrolealdehydes, process for their preparation and their use 2-(Aminoalkyl)pyrrolealdehydes of the general formula I ##STR1## in which R: denotes hydrogen, alkyl; R1 : denotes, for example, hydrogen, alkyl, phenyl; R2 and R3 : denote, for example, hydrogen, alkyl or alkanoyl, have u...	03/09/1993
5182312	Hydrophilic, swellable polymers The present invention relates to hydrophilic, swellable polymers which consists of radicals of the general formula I ##STR1## wherein R1 to R3 are defined as stated in the description, and of radicals of a crosslinking agent whi...	01/26/1993
5174791	Process for dyeing and printing blend fabrics of polyester and natural fibre materials with disperse dye and polyether-polyester to inhibit soilins with disperse dye Process for dyeing and printing blended fabrics made from polyester and natural fibre materials, characterized in that the dye baths, padding liquors or printing pastes contain compounds of general formula (I). Dye preparations containing one or more comp...	12/29/1992
5174792	Mixtures of monoazo dyes: dicyano-nitrobenzene azo compounds The invention relates to mixtures of monoazo dyes, which are characterized in that they consist of one or more dyes of the general formula I ##STR1## and one or more dyes of the general formula II ##STR2## where R1 is methyl, ethyl, n...	12/29/1992
5166166	3-dicyclohexylaminosydnone imines, process for their preparation and their use The present invention relates to pharmacologically active substituted 3-dicyclohexylaminosydnone imines of the general formula I ##STR1## and their pharmacologically acceptable acid addition salts, in which R1 denotes hydrogen or the radic...	11/24/1992
5162555	Process and apparatus for preparing a solution of a non-ferrous metal sulphonate The invention relates to a process for preparing a solution of a non-ferrous metal sulphonate by reacting a non-ferrous metal with a sulphonic acid, the non-ferrous metal being brought into contact with a sulphonic acid at a temperature of from 20° to 12...	11/10/1992
5160495	2-cyano-4,6-dimitro-phenyl monoazo dyestuffs Monoazo dyestuffs useful for dyeing and printing hydrophobic fibers have the formula ##STR1## in which R1 denotes alkyl having 1 to 3 carbon atoms, R2 and R3 independently of one another denote alkyl having 2 to 5 car...	11/03/1992
5155109	3-piperazinosydnone imines, process for their preparation and their use The invention relates to pharmacologically active substituted 3-aminosydnone imines of the general formula I ##STR1## in which R1 denotes (C1 -C4)-alkyl, di-(C1 -C4)-alkylamino or (C6 ...	10/13/1992
5144040	Process for the preparation of 1-(acylaminoalkyl)-2-imidazolines substituted in the 2 position In a process for preparing 2-substituted 1-(acylaminoalkyl)-2-imidazolines of the general formula I ##STR1## where R is an alkylene radical and R1 is a fatty acid radical, for example a fatty acid and a dialkylenetriamine are reacted with ...	09/01/1992
5110917	Water-soluble trisazo dyes The present invention relates to water-soluble trisazo dyes of the formula T ##STR1## and process for the preparation thereof and to the use thereof....	05/05/1992
5102425	Process for the dyeing and printing of blended fabrics made of polyester and natural fibre materials with cyano-hydroxy-methyl pyridone, azo disperse dye to reduce staining The present invention relates to a process for the dyeing and printing of blended fabrics made of polyester and natural fibre materials, characterized in that the polyester portion of the blended fabric is dyed and printed using one or more disperse dyes ...	04/07/1992
5093307	Use of water-insoluble monoazo dyes of the formula I Use of water-insoluble monoazo dyes of the formula I ##STR1## where X1 and X2 are each for example chlorine, X3 is for example hydrogen, methyl or alkoxy, Y is for example hydrogen, methyl, alkoxy or --NHCOR, R is hydrogen or a...	03/03/1992
5093529	Process for the preparation of fluorinated benzoic acids In the process for the preparation of fluorinated benzoic acids of the formula I ##STR1## in which X and Y, for example, independently of one another denote chlorine or fluorine and X moreover denotes bromine, a fluorinated chloroacetophenone of...	03/03/1992
5082059	Use of hydrocarbon-rich gels as fracturing fluids The present invention relates to the use of hydrocarbon-rich gels as fracturing fluids and also to fracturing fluids which are composed of a hydrocarbon-rich gel and an auxiliary....	01/21/1992

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Assignee: Cassella Aktiengesellschaft