Patent application number | Description | Published |
20080249307 | Method for Producing Ethylene Amines - Processes are described comprising: (i) providing a reactant comprising 1,2-dichloroethane; and (ii) reacting the reactant with ammonia to form a reaction product comprising one or more ethylene amines and hydrogen chloride, wherein the reaction is carried out in the presence of an organic, nitrogen- or phosphorus-containing compound which reacts with the hydrogen chloride to form an ionic liquid. | 10-09-2008 |
20080269477 | Solvent System Based on Molten Ionic Liquids, Its Production and Use for Producing Regenerated Carbohydrates - A solution system for biopolymers in the form of carbohydrates based on a molten ionic liquid, additives optionally being contained in the solution system, is described. This solution system contains a protic solvent or a mixture of several protic solvents, and in the case where the protic solvent is solely water, this is present in the solution system in an amount of more than about 5 wt. %. Carbohydrates can be incorporated into the solution system, in particular in the form of starch, cellulose and derivatives thereof, and it can then be used for regeneration of the carbohydrates contained therein. A particularly advantageous process for the preparation of the solution system containing the carbohydrates and for the preparation of regenerated carbohydrates, in particular in the form of regenerated cellulose fibers, is moreover described. The invention accordingly also provides such spun fibers as are distinguished in that they are non-fibrillating. The invention offers in particular economic advantages over the systems of the prior art. | 10-30-2008 |
20080287684 | Method for Producing Ionic Liquids - The present invention describes a process for preparing ionic liquids (I) by reacting ionic liquids (II) whose anion is a halide with an acid (III), with the resulting hydrogen halide being scavenged by means of an amine and the resulting ammonium halide being able to be separated off. | 11-20-2008 |
20090020112 | METHOD FOR BREAKING DOWN CELLULOSE - The present invention describes a process for the degradation of cellulose by dissolving the cellulose in an ionic liquid and treating it at elevated temperature, if appropriate in the presence of water. | 01-22-2009 |
20090043121 | METHOD FOR PRODUCING VITAMIN A ACETATE - The present invention relates to a process for preparing vitamin A acetate by reacting β-vinylionol with triphenylphosphine in the presence of sulfuric acid in a solvent mixture consisting of
| 02-12-2009 |
20090062524 | METHOD FOR BREAKING DOWN CELLULOSE IN SOLUTION - The present invention describes a process for the degradation of cellulose by dissolving the cellulose in an ionic liquid and treating it with an acid, if appropriate with addition of water. | 03-05-2009 |
20090149584 | USE OF HEXAHYDROPHTHALIMIDE COMBINATIONS AS SOFTENER - The use of hexahydrophthalimide compounds of the formula (I) is described as plasticizers for molding compositions, in particular polyvinyl chloride, | 06-11-2009 |
20090250409 | PURIFICATION OF IONIC LIQUIDS - The invention relates to a process for purifying an ionic liquid, which comprises the steps (a) partial crystallization of the ionic liquid from its melt and (b) separation of the crystals from the residual melt. | 10-08-2009 |
20100108944 | Absorbent Article Comprising Water-Absorbing Material - The present disclosure relates to an absorbent structure for use in a diaper for babies and infants, a feminine hygiene article and/or an incontinence article, said absorbent structure comprising a water-absorbing material, the water-absorbing material being obtainable by a process comprising the steps of A) treating a particulate, non-surface-crosslinked, water-absorbing polymer with a mixture comprising an aqueous solvent and at least one salt of a transition metal and B) irradiating the polymer treated according to A) with UV radiation, and to a process for its production. | 05-06-2010 |
20110065926 | METHOD OF PREPARING IONIC LIQUIDS - In the process for preparing ionic liquids, an ionic liquid is firstly reacted with an alkoxide or with barium hydroxide and is subsequently neutralized with an acid. The ionic liquid contains a phosphonium and/or ammonium cation and an anion selected from the group consisting of halides, arylsulfonates, alkylsulfonates, sulfate, hydroxysulfate, alkylsulfates, hydrogencarbonate, carbonate. triflate and carboxylates. In this process, virtually any anions can be introduced into the ionic liquids. | 03-17-2011 |
20110178251 | Water Absorbing Material - The present invention relates to a water-absorbing material obtainable by a process comprising the steps of A) treating a particulate, non-surface-crosslinked, water-absorbing polymer with a mixture comprising an aqueous solvent and at least one salt of a transition metal and B) irradiating the polymer treated according to A) with UV radiation, to a process for its production and to articles comprising the water-absorbing material. | 07-21-2011 |
20110196052 | FLAME RETARDANTS - Phosphine sulfide derivatives of the formula (I), | 08-11-2011 |
20110196053 | HALOGEN-FREE, PHOSPHORUS-CONTAINING FLAME-RETARDANT POLYMER FOAMS - A polymer foam with density in the range from 5 to 120 kg/m | 08-11-2011 |
20110245360 | FLAME RETARDANT - A flame retardant comprising
| 10-06-2011 |
20120172467 | FLAME RETARDANT SYSTEM - The invention relates to a flame retardant comprising
| 07-05-2012 |
20120178842 | HALOGEN-FREE, FLAME-PROOF POLYMER FOAMS CONTAINING AT LEAST ONE OLIGOPHOSPHORUS COMPOUND - Halogen-free, flame-retardant polymer foams which comprise, as flame retardant, at least one cyclic or acyclic oligophosphorus compound, and processes for their production. Examples of suitable oligophosphorus compounds are those having the structure Ia, Ib, or Ic: | 07-12-2012 |
20120252911 | FLAME RETARDANT - Use of a phosphorus compound of the formula (I) as flame retardant, | 10-04-2012 |
20120252914 | FLAME-PROTECTED POLYMER FOAMS - Flame-retardant polymer foams which comprise, as flame retardant, at least one halogenated polymer, for example brominated polystyrene or styrene-butadiene block copolymer having bromine content in the range from 40 to 80% by weight, or tetrabromobisphenol A compounds (TBBPA), processes for producing these, and also flame-retardant expandable styrene polymers. | 10-04-2012 |
20120330039 | METHOD FOR DEHYDRATING A CARBOHYDRATE-COMPRISING COMPOSITION - The present invention relates to a method for dehydrating a carbohydrate-comprising composition. | 12-27-2012 |
20130030066 | POLYMERIC FLAME RETARDANT - The invention relates to a polymer composition containing
| 01-31-2013 |
20140099249 | IONIC LIQUIDS BASED ON OXALIC ACID MONO ESTERS - Monosubstituted oxalic acid derivatives of the general formula (I) | 04-10-2014 |