Patent application number | Description | Published |
20080269433 | Process for the Carbonylation of a Conjugated Diene - A process for the carbonylation of a conjugated diene to an ethylenically unsaturated acid, comprising the steps of (a) contacting a conjugated diene with carbon monoxide and water in the presence of a catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand, to obtain a mixture comprising an ethylenically unsaturated acid and a reversible diene adduct comprising alkenyl ester of the conjugated diene with the ethylenically unsaturated acid; (b) separating the obtained reaction mixture into a gaseous stream comprising unreacted conjugated diene and carbon monoxide, a first liquid product stream comprising at least part of the ethylenically unsaturated acid and the reversible diene adducts, and a second liquid stream comprising the catalyst system in admixture with the ethylenically unsaturated acid; (c) separating the first liquid product stream obtained in step (b) into a stream comprising the ethylenically unsaturated acid and a stream comprising the reversible diene adducts; and (d) recycling the stream comprising the reversible diene adducts to step (a), or converting the reversible diene adducts back to the conjugated diene and the ethylenically unsaturated acid and recycling the thus obtained conjugated diene to step (a). | 10-30-2008 |
20080269459 | Process for the Preparation of a Dicarboxylic Acid - A process for the preparation of a saturated dicarboxylic acid, comprising the steps of (a) contacting a conjugated diene with carbon monoxide and water to obtain a mixture containing an ethylenically unsaturated acid product and one or more reversible adducts of the conjugated diene and the ethylenically unsaturated acid; and (b) reacting the ethylenically unsaturated acid product further with carbon monoxide and water to obtain the dicarboxylic acid, wherein step (a) and (b) are performed in the presence of a catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand, and wherein in step (a) the water concentration is maintained at a range of from 0.001 to less than 3% by weight of water, calculated on the overall weight of the liquid reaction medium, and wherein in step (b) the water concentration is maintained at a range of from 3% to 50% by weight of water, calculated on the overall weight of the liquid reaction medium. | 10-30-2008 |
20080269520 | Process for the Carbonylation of a Conjugated Diene to a Dicarboxylic Acid - A process for the carbonylation of a conjugated diene to a dicarboxylic acid, comprising the steps of (a) contacting a conjugated diene with carbon monoxide and water in the presence of a catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand, to obtain a mixture comprising an ethylenically unsaturated acid and reversible diene adducts; (b) separating the obtained reaction mixture into a gaseous stream comprising unreacted conjugated diene and carbon monoxide, a first normally liquid stream comprising at least part of the ethylenically unsaturated acid and the reversible diene adducts, and a second normally liquid stream comprising the catalyst system in admixture with the ethylenically unsaturated acid; (c) recycling the second liquid stream obtained in step (b) to step (a); (d) separating the first liquid product stream obtained in step (b) into a stream comprising the ethylenically unsaturated acid and a stream comprising the reversible diene adducts; and (e) contacting the stream comprising the ethylenically unsaturated acid obtained in step (d) with carbon monoxide and water in the presence of a second catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand. | 10-30-2008 |
20090131630 | Process For the Preparation of a Dicarboxylic Acid - A process for the preparation of a dicarboxylic acid, comprising the steps of (a) contacting a conjugated diene with carbon monoxide and water in the presence of a catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand, to obtain a mixture containing an ethylenically unsaturated acid and one or more reversible adduct of the conjugated diene and the ethylenically unsaturated acid; and (b) removing unreacted conjugated diene, and the reversible adducts of the conjugated diene from the reaction mixture; and (c) reacting the mixture obtained in step (b) containing the ethylenically unsaturated acid further with carbon monoxide and water to obtain the dicarboxylic acid. | 05-21-2009 |
20100036171 | LIGAND, CATALYST AND PROCESS FOR HYDROFORMYLATION - According to the present invention, there is provided an organophosphine ligand comprising a phosphabicyclohydrocarbyl group in which the phosphorus atom is further substituted with a hydrocarbyl or heterohydrocarbyl moiety containing at least one branch at the β-carbon position. The present invention also provides a catalytic composition for the hydroformylation of an ethylenically unsaturated compound, said catalytic composition comprising i) a source of Group VIII metal cations; and ii) the above ligand. Furthermore, the present invention also provides a process for the hydroformylation of an ethylenically unsaturated compound, said process comprising contacting the ethylenically unsaturated compound with carbon monoxide and hydrogen in the presence the above catalytic composition. | 02-11-2010 |
Patent application number | Description | Published |
20090048390 | Nano-Particle Preparation And Applications - A nano-particle composition including a poly(alkenylbenzene) core and a poly(conjugated diene), a poly(alkylene), or a poly(alkenylbenzene) surface layer is provided. The nano-particles have a mean average diameter of less than about 100 nm. The nano-particles can be modified via, for example, hydrogenation or functionalization. The nano-particles can be advantageously be incorporated into rubbers, elastomers, and thermoplastics. | 02-19-2009 |
20110182998 | MICROSPHERES USEFUL FOR THERAPEUTIC VASCULAR EMBOLIZATION - Provided herein, for example, are microspheres comprising a gelatin or gelatin substitute and a copolymer of a N-tris-hydroxymethyl methylacrylamide monomer unit, a diethylaminoethylacrylamide monomer unit and a N,N-methylene-bis-acrylamide monomer unit. Also provided are methods of producing microspheres comprising a gelatin or gelatin substitute and a copolymer of a N-tris-hydroxymethyl methylacrylamide monomer unit, a diethylaminoethylacrylamide monomer unit and a N,N-methylene-bis-acrylamide monomer unit. Further provided herein, for example, are compositions comprising the microspheres and methods of using the microspheres and compositions thereof. | 07-28-2011 |
20130252900 | MICROSPHERES USEFUL FOR THERAPEUTIC VASCULAR EMBOLIZATION - Provided herein, for example, are microspheres comprising a gelatin or gelatin substitute and a copolymer of a N-tris-hydroxymethyl methylacrylamide monomer unit, a diethylaminoethylacrylamide monomer unit and a N,N-methylene-bis-acrylamide monomer unit. Also provided are methods of producing microspheres comprising a gelatin or gelatin substitute and a copolymer of a N-tris-hydroxymethyl methylacrylamide monomer unit, a diethylaminoethylacrylamide monomer unit and a N,N-methylene-bis-acrylamide monomer unit. Further provided herein, for example, are compositions comprising the microspheres and methods of using the microspheres and compositions thereof. | 09-26-2013 |
Patent application number | Description | Published |
20080281352 | Lung Volume Reduction Therapy Using Crosslinked Non-Natural Polymers - One aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant nucleophilic groups and a crosslinker comprising at least two pendant electrophilic groups. Another aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant electrophilic groups and a crosslinker comprising at least two pendant nucleophilic groups. Yet another aspect of the invention relates to a method for reducing lung volume in a patient comprising the step of administering a hydrogel composition as described herein. Further, hydrogels of the invention may be used to achieve pleurodesis, seal brochopleural fistulas, seal an air leak in a lung, achieve hemostasis, tissue sealing (e.g., blood vessels, internal organs), or any combination thereof. In certain embodiments, the compositions and methods described herein are intended for use in the treatment of patients with emphysema. | 11-13-2008 |
20120245627 | Lung Volume Reduction Therapy Using Crosslinked Non-Natural Polymers - One aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant nucleophilic groups and a crosslinker comprising at least two pendant electrophilic groups. Another aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant electrophilic groups and a crosslinker comprising at least two pendant nucleophilic groups. Yet another aspect of the invention relates to a method for reducing lung volume in a patient comprising the step of administering a hydrogel composition as described herein. Further, hydrogels of the invention may be used to achieve pleurodesis, seal brochopleural fistulas, seal an air leak in a lung, achieve hemostasis, tissue sealing (e.g., blood vessels, internal organs), or any combination thereof. In certain embodiments, the compositions and methods described herein are intended for use in the treatment of patients with emphysema. | 09-27-2012 |
20130325061 | Lung Volume Reduction Therapy Using Crosslinked Non-Natural Polymers - One aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant nucleophilic groups and a crosslinker comprising at least two pendant electrophilic groups. Another aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant electrophilic groups and a crosslinker comprising at least two pendant nucleophilic groups. Yet another aspect of the invention relates to a method for reducing lung volume in a patient comprising the step of administering a hydrogel composition as described herein. Further, hydrogels of the invention may be used to achieve pleurodesis, seal brochopleural fistulas, seal an air leak in a lung, achieve hemostasis, tissue sealing (e.g., blood vessels, internal organs), or any combination thereof. In certain embodiments, the compositions and methods described herein are intended for use in the treatment of patients with emphysema. | 12-05-2013 |
Patent application number | Description | Published |
20090141307 | DOCUMENT SCANNING SYSTEM - A document scanning system includes a scan apparatus adapted to scan a document and to create and store electronic raw data representing the scanned document. An input system permits a user to input settings for the scanned document. A start mechanism causes the scan apparatus to start a scan process. A a processing unit is adapted to process the raw data and to create a formatted document file representing the scanned document. The input system is adapted to permit the user to input format settings for a document after the start mechanism has started the scan process for that document, and the processing unit is adapted to process the raw data in accordance with the format settings. | 06-04-2009 |
20120140260 | METHOD FOR COMPOSING A REFLECTIVITY HISTOGRAM AND REPROGRAPHIC APPARATUS USING THIS METHOD - A method for composing a global histogram of the values of the pixels of a hardcopy original includes a division of a detection area, which may be larger than the original, in stripes. For each of the stripes, a local histogram is made, which is added to a candidate histogram. If the decision is made from the values of the local histogram that a stripe belongs to the original, the candidate histogram is added to the global histogram. In this way, a representative histogram of the original is obtained, even if the white pixels from the original are indiscernible from the white pixels from the cover of the scanner. The method is embodied in an electronic component, including an application specific processing unit. | 06-07-2012 |
20130120776 | PRINT ENGINE FOR PRINTING A PRINT JOB USING APPROPRIATE CALIBRATION DATA - A print engine for producing printed output according to image data in a print job includes in its user interface an activation element for printing a part of the image data in a selected print job using currently applicable calibration data. After inspection of the printed output the selected print job may be finished without further calibration or it may be finished after a calibration is performed. This calibration of the intensity of the process colours is performed for a job control value that occurs within the selected print job. Therefore the effect of the calibration is directly visible to the user of the print engine. | 05-16-2013 |
Patent application number | Description | Published |
20120175383 | Apparatus for Dispensing a Plurality of Fluids - An apparatus for dispensing a plurality of fluids, includes a support, such as a turntable or a linear table, a plurality of containers for holding a fluid and mounted on the support, pumps and valves connected to respective containers, at least one common actuator for sequentially operating the pumps and valves to dispense fluid and a drive mechanism for moving the support, and thus the containers, pumps, and valves on the one hand and the actuator on the other relative to each other. The common actuator for sequentially operating the pumps and valves and the drive mechanism for relative motion of the support are integrated in a module, the module is releasably mounted in the apparatus. | 07-12-2012 |
20120248147 | Apparatus for Dispensing a Plurality of Liquids - An apparatus for dispensing a plurality of liquids, in particular colorants for paints, comprising a support, such as a turntable or a linear table, defining a plurality of positions and a plurality of containers holding a liquid, mounted on the support at the positions, and provided with a pump and/or a valve for dispensing the liquid from the container. At least some of the containers form, together with a respective liquid and pump and/or valve, a cartridge, which cartridge is releasably mounted in the apparatus. | 10-04-2012 |