Patent application number | Description | Published |
20110086997 | Process for lightening the color of polyol esters - The present invention relates to a process for lightening the color of polyol esters by reacting polyols with linear or branched aliphatic monocarboxylic acids having 3 to 20 carbon atoms, wherein the reaction product is worked up without using adsorbents and comprises a treatment with peroxidic compounds and an immediately subsequent steam treatment with subsequent drying. | 04-14-2011 |
20110087044 | Process for preparing polyol esters - The present invention relates to a process for preparing polyol esters by reacting polyols with linear or branched aliphatic monocarboxylic acids having 3 to 20 carbon atoms in the presence of an adsorbent and subsequent steam treatment in the course of workup of the crude ester. | 04-14-2011 |
20110087046 | Process for lightening the color of polyol esters - The present invention relates to a process for lightening the color of polyol esters by reacting polyols with linear or branched aliphatic monocarboxylic acids having 3 to 20 carbon atoms, wherein the reaction product is worked up without using adsorbents and comprises a treatment with ozone or ozone-containing gases and an immediately subsequent steam treatment with subsequent drying. | 04-14-2011 |
20120035393 | METHOD FOR PRODUCING ALIPHATIC CARBOXYLIC ACIDS FROM ALDEHYDES BY MICROREACTION TECHNOLOGY - A process for preparing aliphatic carboxylic acids having 3 to 10 carbon atoms by oxidizing the corresponding aldehydes with oxygen or oxygen-containing gases, characterized in that (i) the oxidation is performed in a microreactor at elevated pressure and with an oxygen excess based on the stoichiometrically required amount of oxygen, and (ii) in that the reaction mixture removed from the microreactor is passed through at least one postreactor without further addition of oxygen, and (iii) wherein the oxidation reaction in the microreactor is performed under such conditions that aldehyde and corresponding peracid formed are present in the reaction mixture removed in a molar ratio within a range of | 02-09-2012 |
20120190883 | PROCESS FOR PREPARING POLYOL ESTERS - The present invention relates to a process for preparing polyol esters by reacting polyols with linear or branched aliphatic monocarbocxylic acids having 3 to 20 carbon atoms, the reaction taking place in the presence of a Lewis acid comprising at least one element from groups 4 to 14 of the Periodic Table of the Elements as catalyst, and in the presence of an adsorbent, the reaction product being subjected subsequently to a steam treatment. | 07-26-2012 |
20130116467 | Process for Aftertreating Polyolesters - A process for aftertreatment of polyol esters prepared by reacting polyols of the general formula | 05-09-2013 |
20130131391 | Method for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the side-streams in trimethylolpropane production - The present invention relates to a process for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the high-boiling fractions and residues which are obtained in the distillative purification of trimethylolpropane, wherein an aqueous solution of these fractions and residues is catalytically hydrogenated in the presence of an acidic compound and, after removing solids, contacted both with basic and with acidic ion exchangers. A trimethylolpropane-enriched product stream can be distilled out of the aqueous eluate obtained, leaving ditrimethylolpropane as the distillation residue. | 05-23-2013 |
20130150624 | Method for Producing Primary Aliphatic Amines from Aldehydes - A continuous process for producing primary aliphatic amines having 9 to 18 carbon atoms by reaction of corresponding aliphatic aldehydes with ammonia and hydrogen in the presence of a hydrogenation catalyst in the liquid phase, characterized in that the reaction is carried out solventlessly at a molar ratio of aliphatic aldehyde:ammonia of at least 1:30, at a temperature of 100 to 200° C. and at a pressure of 6 to 11 MPa. | 06-13-2013 |
20140005441 | Method for Carrying Out Multiphase Aldol Condensation Reactions to Give Mixed a, beta-Unsaturated Aldehydes | 01-02-2014 |
20140220342 | Vinyl Acetate/Vinyl 3,5,5-trimethylhexanoate Copolymer Binder Resins - The present invention relates to a copolymer composition comprising 5-95 pphwm of vinyl acetate and 95-5 pphwm of vinyl 3,5,5-trimethylhexanoate, wherein the corresponding 3,5,5-trimethylhexanoic acid has a content of the 3,5,5-trimethylhexanoic acid isomer of at least 88% by weight. | 08-07-2014 |
20140284202 | Method for Recovering Di-Trimethylolpropane By Distillation - Distillative process for obtaining ditrimethylolpropane from solutions includes separating ditrimethylolpropane from the solution in a first distillation unit into a first tops fraction comprising low-boiling compounds having a lower boiling point than ditrimethylolpropane and a first bottoms fraction; introducing the first bottoms fraction into a second distillation unit having at least 5 theoretical plates, said unit being configured as a thin-film evaporator with a column attachement and drawing off a second tops fraction comprising intermediate-boiling compounds having a lower boiling point than ditrimethylolpropane as well as withdrawing a second bottoms fraction from the second distillation unit and introducing the second bottoms fraction into a third distillation unit having at least 4 theoretical plates, said unit being configured as a thin-film evaporator with a column attachement, such that ditrimethylolpropane is obtained as a third tops fraction and high boilers are removed as a third bottoms fraction. | 09-25-2014 |
20140288318 | Method for Recovering Di-Trimethylolpropane and Trimethylolpropane-Enriched Product Streams From the Side Streams of Trimethylolpropane Production - Process for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the high-boiling fractions and residues which are obtained in the distillative purification of trimethylolpropane includes three stage distillation characterized in that second and third stages are configured as thin film evaporators with a column attachment with the second stage facilitating trimethylopropane recovery and the third stage facilitating ditrimethylolpropane recovery. | 09-25-2014 |
20140296542 | Method for Recovering Di-Trimethylolpropane and Trimethylolpropane-Enriched Product Streams from the Side Streams of Trimethylolpropane Production - Process for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the high-boiling fractions and residues which are obtained in the distillative purification of trimethylolpropane, characterized in that these high-boiling fractions and residues are combined and a polar solvent is added to produce a solution and the solution is treated at a temperature of 120 to 280° C. and at a pressure of 2 to 25 MPa with hydrogen in the presence of a solid nickel catalyst and an acidic compound. After catalytic treatment, the solution is subjected to multi-stage distillation including with a thin film evaporator with a column attachment in order to recover ditrimethylolpropane and trimethylolpropane-enriched product streams. | 10-02-2014 |
20140296583 | Process for Obtaining Trimethylolpropane-Enriched Product Streams From the Secondary Streams of Trimethylolpropane Preparation - A process for obtaining trimethylolpropane-enriched product streams from the forerun fractions obtained in the distillative purification of trimethylolpropane is characterized in that: (a) the forerun fractions are treated separately or in combination at a temperature of 160 to 280° C. and at a pressure of 1 to 30 MPa with hydrogen in the presence of a hydrogenation catalyst and an acidic compound; and (b) the reaction mixture obtained after step a) is separated by distillation into a trimethylolpropane-enriched, catalyst-free product stream and a catalyst-containing product stream. The trimethylolpropane is prepared by the Cannizzaro process using alkali metal or alkaline earth metal compounds or stoichiometric amounts of trialkylamines, or is produced by the hydrogenation process in the presence of catalytic amounts of trialkylamines or alkali metal or alkaline earth metal compounds. | 10-02-2014 |
20140303401 | Process for Recovering Aliphatic Monocarboxylic Acids from Distillation Residues - A process is provided for recovering aliphatic monocarboxylic acids having from 4 to 11 carbon atoms from the distillation residue obtained in the oxidation of the corresponding aldehyde by means of oxygen or oxygen-containing gas mixtures in the presence of alkali metal carboxylates or alkaline earth metal carboxylates to form the corresponding monocarboxylic acid and subsequent distillation, characterized in that the distillation residue is reacted with an aqueous acid in a tube reactor and the two-phase mixture flowing out from the tube reactor is introduced into a settling vessel in which the organic phase which separates out has a pH of 4.5 or less. | 10-09-2014 |
20140343310 | Method for Producing Vinyl Esters - The present invention relates to a continuous, catalytic process for preparing a vinyl ester of the formula R—C(O)O—CH═CH | 11-20-2014 |
20140357881 | Transvinylation as a First Stage of Coupling Production of Vinyl Esters and Acetic Acid or Propionic Acid Reaction Products - Process for coproduction of a vinyl ester of the formula R—C(O)O—CH═CH by transvinylation reaction of a carboxylic acid of the formula R—C(O)OH with a transvinylating reagent of the formula R | 12-04-2014 |
20150105507 | Mixtures Containing Trimellitic Acid Ester and Polyether Polyol Ester as Plasticizers, Use of the Mixtures for Producing Polymer Compounds and PVC materials Containing Said Mixtures - A mixture useful as plasticizer comprises trimellitic esters and polyether polyol esters, characterized in that the mixture comprises from 1 to 99% by weight of trimellitic esters and 99 to 1% by weight of polyether polyol esters, wherein the polyether polyol esters can be derived from linear or branched, aliphatic monocarboxylic acids having 3 to 20 carbon atoms in the molecule. | 04-16-2015 |
20150152023 | Isononylamines from 2-Ethylhexanol, Processes for Their Preparation, and Their Use - Process for preparing isononylamines starting out from 2-ethylhexanol, characterized in that (a) 2-ethylhexanol is dehydrated in the presence of a catalyst to form octene; (b) the octene obtained in step a) is reacted with carbon monoxide and hydrogen in the presence of a transition metal compound of group VIII of the Periodic Table of the Elements to form isononanal; and (c) the isononanal obtained in step b) is converted into isononylamines. | 06-04-2015 |
20150158805 | Method for Producing Isononanoic Acid Esters, Starting from 2-Ethyl Hexanol - A Process for preparing carboxylic esters of a mixture of structurally branched C9 monocarboxylic acids proceeding from 2-ethylhexanol is characterized in that
| 06-11-2015 |
20150184202 | Method for the Production of Diiobutene - The present invention relates to a method of producing diisobutene from fermentative produced isobutene, wherein the higher purity of the isobutene improves the method and the properties of the produced diisobutene. | 07-02-2015 |
20150191410 | Method for Producing Isononanoic Acids from 2-Ethyl Hexanol - Process for preparing isononanoic acid proceeding from 2-ethylhexanol, characterized in that (a) 2-ethylhexanol is dehydrated to octene in the presence of a catalyst; (b) the octene obtained in step a) is reacted in the presence of a transition metal compound of group VIII of the periodic table of the elements with carbon monoxide and hydrogen to give isononanal; and (c) the isononanal obtained in step b) is oxidized to isononanoic acid. | 07-09-2015 |
20150191415 | Continuous Method for Producing Primary Aliphatic Amines from Aldehydes - A continuous process for preparing primary aliphatic amines having 3 to 18 carbon atoms by reacting corresponding aliphatic aldehydes with ammonia and hydrogen in the presence of a hydrogenation catalyst, characterized in that the reaction is carried out without solvent at a molar ratio of aliphatic aldehyde to ammonia of more than 1 to 16, above the critical temperature and above the critical pressure of ammonia. | 07-09-2015 |
Patent application number | Description | Published |
20090057874 | SEMICONDUCTOR MODULE INCLUDING SEMICONDUCTOR CHIPS IN A PLASTIC HOUSING IN SEPARATE REGIONS - Semiconductor module comprising semiconductor chips in a plastic housing in separate regions and method for producing the same | 03-05-2009 |
20100140785 | SEMICONDUCTOR DEVICE - A method of assembling a semiconductor device includes providing a chip attached to an elastic carrier, and supporting the elastic carrier with a stiffener. The method additionally includes removing the stiffener from the elastic carrier after attaching the elastic carrier to a board. | 06-10-2010 |
20100323479 | Semiconductor Component with Surface Mountable Devices and Method for Producing the Same - A semiconductor component including: a substrate, at least one semiconductor chip arranged on the substrate and at least one passive device likewise arranged on the substrate. The passive device is mounted with its underside on the substrate. The semiconductor component further includes an interspace disposed between the underside of the passive device and the substrate. The interspace is filled with an underfilling material. In order to avoid the solder pumping effect, the upper side and the lateral sides of the passive device are also embedded in a plastic compound. | 12-23-2010 |
20120112365 | Semiconductor Packages and Methods For Producing The Same - In one embodiment, a semiconductor package includes an isolating container having a recess, which forms an inner membrane portion and an outer rim portion. The rim portion is thicker than the membrane portion. The package includes a semiconductor chip disposed in the recess and a backplane disposed under the membrane portion of the isolating container. | 05-10-2012 |
20120146165 | MAGNETIC FIELD CURRENT SENSORS - Embodiments relate to magnetic field current sensors. In an embodiment, a method of forming a conductor clip for a magnetic field current sensor comprises forming a footprint portion; forming first and second contact portions; and forming first and second pillar portions coupling the first and second contact portions, respectively, to the footprint portion, the first and second pillar portions having a constant height and being at approximate right angles to the first and second contact portions and the footprint portion. | 06-14-2012 |
20120181640 | Semiconductor Devices Having Insulating Substrates and Methods of Formation Thereof - In one embodiment, a semiconductor device includes a glass substrate, a semiconductor substrate disposed on the glass substrate, and a magnetic sensor disposed within and/or over the semiconductor substrate. | 07-19-2012 |
20130049746 | Semiconductor Chip Package and Method - A semiconductor chip package and a method to manufacture a semiconductor chip package are disclosed. An embodiment of the present invention comprises a substrate and a semiconductor chip disposed on the substrate and laterally surrounded by a packaging material. The package further comprises a current rail adjacent the semiconductor chip, the current rail isolated from the semiconductor chip by an isolation layer, a first external pad, and a via contact contacting the current rail with the first external pad. | 02-28-2013 |
20140151697 | Semiconductor Packages, Systems, and Methods of Formation Thereof - In accordance with an embodiment of the present invention, a semiconductor package includes a current rail comprising a first contact area and a second contact area, a first groove and a second groove, and a magnetic field generating portion. Along a current flow direction, the first groove is disposed between the first contact area and the magnetic field generating portion and the second groove is disposed between the magnetic field generating portion and the second contact area. The thickness of the current rail at the first groove is smaller than the thickness of the current rail at the first contact area. | 06-05-2014 |
20140167192 | Semiconductor Devices Having Insulating Substrates and Methods of Formation Thereof - In one embodiment, a semiconductor device includes a glass substrate, a semiconductor substrate disposed on the glass substrate, and a magnetic sensor disposed within and/or over the semiconductor substrate. | 06-19-2014 |
20140266269 | MULTIPLE CURRENT SENSOR DEVICE, A MULTIPLE CURRENT SHUNT DEVICE AND A METHOD FOR PROVIDING A SENSOR SIGNAL - A multiple current sensor device or a multiple current shunt device includes at least two resistive sections comprising a first resistive section and a second resistive section, at least two connecting sections comprising a first connecting section and a second connecting section and a common connecting section. The first resistive section is electrically coupled in between the first connecting section and the common connecting section. The second resistive section is electrically coupled in between the second connecting section and the common connecting section. Using an embodiment may improve a trade-off between an efficient integration, a compact integration, a compact implementation and an accurate determination of at least one value indicative of at least one of multiple currents. | 09-18-2014 |
20140320147 | ELECTRICAL CIRCUIT - An electrical circuit includes a first circuit part and a second circuit part. A first electrical potential is applicable to the first circuit part, wherein a second electrical potential is applicable to the second circuit part. The two circuit parts are galvanically isolated from each other by an insulator, wherein the insulator includes a conducting portion. This conducting portion can be safely sensed by an additional circuitry, to detect if a full or partial contact to the first electrical potential or the second electrical potential has occurred due to a voltage shift or a current flow on the conducting portion, which is itself insulated. This sensing circuitry can incorporate protection elements to clamp voltages and limit currents to prevent destruction of connected circuitries in case of a fail of the insulation. | 10-30-2014 |
20150015249 | Current Sensor Device - A current sensor device includes a casing having a cavity and a conductor fixedly mounted to the casing. A semiconductor chip configured to sense a magnetic field is arranged in the cavity. An electrically insulating medium is configured to at least partially fill the cavity of the casing. | 01-15-2015 |
20150076636 | Current Sensor Device - A current sensor device for sensing a measuring current includes a semiconductor chip having a magnetic field sensitive element. The current sensor device further includes an encapsulant embedding the semiconductor chip. A conductor configured to carry the measuring current is electrically insulated from the magnetic field sensitive element. A redistribution structure includes a first metal layer having a first structured portion which forms part of the conductor. | 03-19-2015 |