Abstract: The present invention relates to salts having uronium cations and to a process for preparing same comprising alkylating urea C(O)(NR2)2 using an ester ARo.

Abstract: The present invention relates to dyes of the general formula CAT+ Y? (I), where Y? is an anion selected from the group of the cyanoborates, fluoroalkylphosphates, fluoroalkylborates or imidates and CAT+ is a cation selected from the group of the azine, xanthene, polymethine, styryl, azo, tetrazolium, pyrylium, benzopyrylium, thiopyrylium, benzothiopyrylium, thiazine, oxazine, triarylmethane, diarylmethane, methine, acridine, quinoline, isoquinoline or quaternary azafluorenone dyes, for coloring plastics and plastic fibers, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp ink, for coloring leather and paper, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry.

Abstract: The present invention relates to salts having thiouronium or uronium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.

Abstract: The present invention relates to salts having thiouronium or uronium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.

Abstract: The invention relates to a method for producing onium salts with tetrafluoroborate anion by reacting an onium halide with an oxonium tetrafluoroborate, sulfonium tetrafluoroborate, or triphenylcarbonium tetrafluoroborate.

Abstract: The invention relates to compounds of the formula (I), in which X, -Q1-Q2- and RF have the meaning indicated in Claim 1, as ionic liquids, and to a process for the preparation thereof.

Abstract: The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 50 to 170° C.

Abstract: The present invention relates to dyes of the general formula CAT+ Y? (I), where Y? is an anion selected from the group of the cyanoborates, fluoroalkylphosphates, fluoroalkylborates or imidates and CAT+ is a cation selected from the group of the azine, xanthene, polymethine, styryl, azo, tetrazolium, pyrylium, benzopyrylium, thiopyrylium, benzothiopyrylium, thiazine, oxazine, triarylmethane, diarylmethane, methine, acridine, quinoline, isoquinoline or quaternary azafluorenone dyes, for colouring plastics and plastic fibres, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp ink, for colouring leather and paper, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry.

Abstract: The present invention relates to dyes of the general formula CAT+ Y? (I), where Y? is an anion selected from the group of the cyanoborates, fluoroalkylphosphates, fluoroalkylborates or imidates and CAT+ is a cation selected from the group of the azine, xanthene, polymethine, styryl, azo, tetrazolium, pyrylium, benzopyrylium, thiopyrylium, benzothiopyrylium, thiazine, oxazine, triarylmethane, diarylmethane, methine, acridine, quinoline, isoquinoline or quaternary azafluorenone dyes, for colouring plastics and plastic fibres, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp ink, for colouring leather and paper, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry.

Abstract: The invention relates to a process for the preparation of onium alkylsulfates by reaction of an onium halide with a symmetrically substituted dialkyl sulfate, in which the alkyl group can have 1 to 14 C atoms, with an asymmetrically substituted dialkyl sulfate, in which one alkyl group can have 4 to 20 C atoms and the second alkyl group denotes methyl or ethyl, with an alkyl trialkylsilyl sulfate, with an alkyl acyl sulfate or with an alkyl sulfonyl sulfate, where the reaction with a dialkyl sulfate is carried out at room temperature.

Abstract: The invention relates to a process for the preparation of onium salts with dialkylphosphate, dialkylphosphinate or (O-alkyl)alkyl- or alkylphosphonate anions by reaction of an onium halide with a triallyl phosphate, alkyl dialkylphosphinate, dialkyl alkylphosphonate or trialkylsilyl ester or mixed alkyl trialkylsilyl ester of phosphoric, dialkylphosphinic or alkylphosphonic acid.

Abstract: The invention relates to a method for producing onium salts comprising alkyl anions or aryl sulfonate anions or alkyl carboxylate anions or acryl carboxylate anions by reacting an onium halide with an alkyl silyl ester or trialkyl silyl ester of an alkyl sulfonic acid or aryl sulfonic acid or an alkyl carboxylic acid or aryl carboxylic acid or the anhydrides thereof.

Abstract: The invention relates to a method for producing onium salts with tetrafluoroborate anion by reacting an onium halide with an oxonium tetrafluoroborate, sulfonium tetrafluoroborate, or triphenylcarbonium tetrafluoroborate.

Abstract: The invention relates to a method for the production of organic salts containing bis(perfluoroalkyl)phosphinate anions. According to said method, a tris(perfluoroalkyl)phosphine oxide is reacted with an alcohol and an organic base, which is stronger than the alcohol. The invention also relates to the salts which are produced according to said method and to the use thereof as ionic liquids.

Abstract: The present invention relates to salts comprising bis(trifluoromethyl)imide anions and saturated, partially or fully unsaturated, heterocyclic cations, to a process for the preparation thereof, and to the use thereof as ionic liquids.

Abstract: The invention relates to a method for producing mono(fluoroalkyl)phosphoric acids or bis(fluoroalkyl)phosphoric acids, mono(fluoroalkyl)phosphates or bis(fluoroalkyl)phosphates, and the corresponding phosphoranes thereof. The inventive method comprises at least the step of reacting a bis(fluoroalkyl)phosphonic acid, a (fluoroalkyl)phosphonic acid, or a corresponding derivative of said acids with anhydrous hydrogen fluoride.

Abstract: The present invention relates to dyes of the general formula CAT+ Y? (I), where Y? is an anion selected from the group of the cyanoborates, fluoroalkylphosphates, fluoroalkylborates or imidates and CAT+ is a cation selected from the group of the azine, xanthene, polymethine, styryl, azo, tetrazolium, pyrylium, benzopyrylium, thiopyrylium, benzothiopyrylium, thiazine, oxazine, triarylmethane, diarylmethane, methine, acridine, quinoline, isoquinoline or quaternary azafluorenone dyes, for colouring plastics and plastic fibres, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp ink, for colouring leather and paper, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry.

Abstract: The invention relates to a process for the preparation of onium alkylsulfites by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 0 to 70° C.

Abstract: The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 50 to 170° C.

Abstract: The present invention relates to salts having thiouronium or uronium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.