Patent application number | Description | Published |
20080207949 | Method For The Production Of N,N-Dimethylacetamide (Dmac) - A process for preparing N,N-dimethylacetamide (DMAC) by continuously reacting methyl acetate (MeOAc) with dimethylamine (DMA) in the presence of a basic catalyst, wherein MeOAc is used in the form of a methanolic solution which is obtained as a by-product in the preparation of polyTHF by transesterifying polyTHF diacetate with methanol. | 08-28-2008 |
20090069604 | PROCESS FOR HYDROGENATING METHYLOLALKANALS - A process for catalytically hydrogenating methylolalkanals of the general formula | 03-12-2009 |
20100069681 | PROCESS FOR PREPARING 3-ALKOXYPROPAN-1-OLS - The present invention relates to a process for preparing 3-alkoxypropan-1-ols of the general formula I | 03-18-2010 |
20100113836 | METHOD FOR PRODUCING HYDROXY PIVALIN ALDEHYDE AND NEOPENTYL GLYCOL - The preparation of hydroxypivalaldehyde is effected by aldolizing isobutyraldehyde with formaldehyde and subsequently working up the resulting reaction effluent by distillation, wherein the reaction effluent is fed to a distillation column which is operated at a top pressure in the range from 0.5 to 1.5 bar and in which a two-stage condensation is provided in the top region, in which the vapors are first conducted into a partial condenser operated at a temperature in the range from 50 to 80° C., whose condensate is recycled at least partly into the distillation column, and in which the vapors uncondensed in the partial condenser are fed to a downstream condenser operated at a temperature in the range from −40 to +30° C., whose condensate is at least partly discharged. | 05-06-2010 |
20100130781 | METHOD FOR THE PRODUCTION OF N,N-DIMETHYLACETAMIDE (DMAC) - A process for preparing N,N-dimethylacetamide (DMAC) by continuously reacting methyl acetate (MeOAc) with dimethylamine (DMA) in the presence of a basic catalyst, wherein MeOAc is used in the form of a methanolic solution and the continuous distillative workup is effected in such a way that methanol and any other low boilers are initially removed overhead in a column A and the bottom effluent of column A is fed to a column B in which DMAC is removed via a side draw a purity of ≧99.7% by weight. | 05-27-2010 |
20110082316 | METHOD FOR THE PRODUCTION OF N,N-DIMETHYLACETAMIDE (DMAC) - A process for preparing N,N-dimethylacetamide (DMAC) by continuously reacting methyl acetate (MeOAc) with dimethylamine (DMA) in the presence of a basic catalyst, wherein MeOAc is used in the form of a methanolic solution which is obtained as a byproduct in the preparation of polyTHF by transesterifying polyTHF diacetate with methanol. | 04-07-2011 |
20110130318 | ENZYME COMPOSITION COMPRISING ENZYME CONTAINING POLYMER PARTICLES - The present invention relates to an enzyme composition comprising enzyme containing polymer particles, which is useful for detergent compositions, in particular for liquid detergent compositions. In these enzyme containing particles, the particles comprise i) at least one enzyme, and ii) at least one polymer P, which is selected from homo- and copolymers having a backbone, wherein the C—C-backbone carries carboxylgroups, which may be present in the acidic form or in the neutralized form, and wherein the C—C-backbone comprises hydrophobic repeating units. | 06-02-2011 |
20110172430 | METHOD FOR THE CONTINUOUS PRODUCTION OF AN AMINE USING AN ALUMINUM-COPPER CATALYST - Process for the continuous preparation of an amine by reaction of a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary and secondary amines at a temperature in the range from 60 to 300° C. in the presence of a catalyst comprising copper oxide and aluminum oxide, wherein the reaction takes place in the gas phase and the catalytically active composition of the catalyst before reduction with hydrogen comprises PS from 20 to 75% by weight of aluminum oxide (Al | 07-14-2011 |
20110237484 | ELECTROCHEMICAL TEXTILE-WASHING PROCESS - The present invention relates to a washing machine comprising an electrochemical cell, to a process for electrochemical cleaning of fibers, to laundry detergents for electrochemical cleaning of fibers and to the fibers thus cleaned. | 09-29-2011 |
20110272270 | Process for Preparing Polymethylols - The present invention relates to a process for recovering components from a low boiler mixture which is obtained in the distillation of hydrogenation effluents from the preparation of polymethylols, by multistage distillation of the low boiler mixture comprising a tertiary amine, water, methanol, polymethylol of the formula (I) | 11-10-2011 |
20110313203 | METHOD FOR PURIFYING CRUDE POLYMETHYLOLS - The present invention relates to a process for purifying crude polymethylol which comprises polymethylol of the formula (I) | 12-22-2011 |
20120004472 | METHOD FOR PREPARING POLYMETHYLOLS - The present invention relates to a process for distilling an aqueous polymethylol mixture which comprises a polymethylol of the formula (I) | 01-05-2012 |
20130056364 | METHOD FOR THE BLEACHING OF KITCHENWARE IN A DISHWASHER - The invention provides a method for bleaching kitchenware in a dishwasher, comprising the step of the in situ activation of a bleach activator by means of a reactive oxygen species, where the reactive oxygen species is generated in situ in the dishwasher by electrolysis of an aqueous solution. | 03-07-2013 |
20130137901 | SYNTHESIS OF POLYALKYLENEPOLYAMINES HAVING A LOW COLOR INDEX BY HOMOGENEOUSLY CATALYZED ALCOHOL AMINATION IN THE PRESENCE OF HYDROGEN - Process for the preparation of polyalkylenepolyamines by homogeneously catalyzed alcohol amination, in which aliphatic amino alcohols are reacted with one another or aliphatic diamines or polyamines are reacted with aliphatic diols or polyols with the elimination of water in the presence of a homogeneous catalyst and in the presence of hydrogen gas. Polyalkylenepolyamines obtainable by such processes and polyalkylenepolyamines comprising hydroxy groups, secondary amines or tertiary amines. Uses of such polyalkylenepolyamines as adhesion promoters for printing inks, adhesion promoters in composite films, cohesion promoters for adhesives, crosslinkers/curing agents for resins, primers for paints, wet-adhesion promoters for emulsion paints, complexing agents and flocculating agents, penetration assistants in wood preservation, corrosion inhibitors, immobilizing agents for proteins and enzymes. | 05-30-2013 |
20140296124 | CLEANING COMPOSITIONS CONTAINING A POLYETHERAMINE, A SOIL RELEASE POLYMER, AND A CARBOXYMETHYLCELLULOSE - The present invention relates generally to cleaning compositions and, more specifically, to cleaning compositions containing a polyetheramine, a soil release polymer, and a carboxymethylcellulose, which is suitable for removal of stains from soiled materials. | 10-02-2014 |
20140296127 | CLEANING COMPOSITIONS CONTAINING A POLYETHERAMINE - The present invention relates generally to cleaning compositions and, more specifically, to cleaning compositions containing a polyetheramine that is suitable for removal of stains from soiled materials. | 10-02-2014 |
20140305339 | LIPOPHILIC POLYALKYLENEPOLYAMINES BY HOMOGENEOUSLY CATALYZED ALCOHOL AMINATION - Process for the preparation of lipophilic polyalkylenepolyamines by homogeneously catalyzed alcohol amination, where aliphatic amino alcohols are reacted with one another or aliphatic diamines or polyamines are reacted with aliphatic diols or polyols with the elimination of water in the presence of a homogeneous catalyst, at least one of the reactants comprising an alkyl or alkylene group having five or more carbon atoms, and after the reaction a phase separation into at least one apolar phase and at least one polar phase being present, the lipophilic polyalkylenepolyamines being present in enriched form in the apolar phase. Polyalkylenepolyamines obtainable by such processes, and polyalkylenepolyamines comprising hydroxyl groups, secondary amines or tertiary amines. Uses of such polyalkylenepolyamines as adhesion promoters for printing inks, adhesion promoters in composite films, cohesion promoters for adhesives, crosslinkers/curing agents for resins, primers in paints, wet-adhesion promoters for emulsion paints, complexing agents and flocculating agents, penetration assistants in wood preservation, corrosion inhibitors, immobilizing agents for proteins and enzymes. | 10-16-2014 |
20140346057 | ELECTROCHEMICAL TEXTILE-WASHING PROCESS - The present invention relates to a washing machine comprising an electrochemical cell, to a process for electrochemical cleaning of fibers, to laundry detergents for electrochemical cleaning of fibers and to the fibers thus cleaned. | 11-27-2014 |
20150057212 | CLEANING COMPOSITIONS CONTAINING A POLYETHERAMINE - The present invention relates generally to cleaning compositions and, more specifically, to cleaning compositions containing a polyetheramine that is suitable for removal of stains from soiled materials. | 02-26-2015 |