Class / Patent application number | Description | Number of patent applications / Date published |
549505000 | Plural double bonds between ring members of the hetero ring | 16 |
20110201832 | VAPOR-PHASE DECARBONYLATION PROCESS - A process is provided for the synthesis of furan and related compounds by vapor phase decarbonylation of furfural and derivatives, using a palladium/alumina catalyst that has been promoted with an alkali carbonate. Catalyst lifetime is improved. The catalyst can be regenerated in situ by feeding a mixture of air and steam, with a composition of between about 2% and about 40% air, to the catalyst bed at a temperature between about 300° C. and about 500° C. | 08-18-2011 |
20110313178 | Process for Producing Small Molecular Weight Organic Compounds from Carbonaceous Material - The present invention discloses a process for producing small molecular weight organic compounds from carbonaceous material comprising a step of contacting the carbonaceous material with carbon monoxide (CO) and steam in presence of a shift catalyst at a predetermined temperature and pressure. | 12-22-2011 |
20120165560 | VAPOR PHASE DECARBONYLATION PROCESS - A process is provided for the synthesis of furan and related compounds by vapor-phase decarbonylation of furfural and derivatives, using a palladium/metal aluminate catalyst. The use of such catalysts, which are inherently less acidic than alumina, results in improved lifetime and high productivity. The compounds so produced can be used as starting materials for industrial chemicals for use as pharmaceuticals, herbicides, stabilizers, and polymers such as polyether ester elastomers and polyurethane elastomers. | 06-28-2012 |
20160130201 | PROCESSES FOR SELECTIVE EXTRACTION OF UNSAPONIFIABLE MATERIALS FROM RENEWABLE RAW MATERIALS BY LIQUID-LIQUID EXTRACTION IN THE PRESENCE OF A COSOLVENT - A method for extracting an unsaponifiable fraction from a solid renewable raw material, includes the extraction of the fats from the solid renewable raw material, leading to the production of an oil, the concentration of the oil so as to obtain a mixture enriched in unsaponifiable fraction, and the liquid-liquid extraction of the mixture enriched in unsaponifiable fraction, in the presence of at least one polar organic solvent and at least one non-polar cosolvent immiscible with the polar organic solvent, resulting in the formation of an organic polar phase enriched in lipids functionalized with one or more function(s) chosen from hydroxyl, epoxide, ketone, thiol, aldehyde, ether and amine functions, and to the formation of a non-polar organic phase enriched in lipids containing no or few hydroxyl, epoxide, ketone, thiol, aldehyde, ether and amine function(s), then the concentration of the organic phases. | 05-12-2016 |
20160159762 | PROCESS FOR PRODUCING FURAN FROM FURFURAL FROM BIOMASS - A process is described for producing furan from furfural from biomass, wherein furfural in an aqueous mass or stream from the liquefaction of biomass or a biomass fraction including one or more furfural precursors is extracted into an organic solvent which is readily separable from furan by simple distillation at atmospheric pressure, furfural is catalytically decarbonylated to furan in the organic solvent and furan is separated from the organic solvent by simple distillation. The furan from the distillation step may be hydrogenated to provide tetrahydrofuran. | 06-09-2016 |
20170233327 | A METHOD AND APPARATUS FOR PRODUCING BIOFUEL IN AN OSCILLATING FLOW PRODUCTION LINE UNDER SUPERCRITICAL FLUID CONDITIONS | 08-17-2017 |
549506000 | Hydrocarbyl substituted | 10 |
20090203927 | Homogeneous asymmetric hydrogenation catalyst - Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity. | 08-13-2009 |
20100240915 | Pre-Treatment of Crude Alcohol or Furan Feed to a Vapor Permeation Apparatus - We disclose a method of extracting an alcohol or furan from a predominantly liquid stream comprising the alcohol or furan, comprising removing cations from the predominantly liquid stream comprising the alcohol or furan, using a cation-exchange resin; removing anions from the predominantly liquid stream comprising the alcohol or furan, using an anion-exchange resin; and recovering alcohol or furan from the predominantly liquid stream comprising the alcohol or furan, using either a vapor permeation membrane, a perevaporation process, or both. | 09-23-2010 |
20110184195 | PROCESS FOR THE HYDROGENOLYSIS OF FURFURYL DERIVATIVES - The present invention relates to a process for the hydrogenolysis of a furfuryl derivative to 2-methylfuran derivative, comprising: (a) contacting under liquid phase conditions a solution of the furfuryl derivative in a solvent having a boiling point above the boiling point of furfuryl derivative with hydrogen in the presence of a catalyst comprising a hydrogenation compound to form a 2-methylfuran derivative and water, at a temperature and pressure suitable to maintain the furfuryl derivative in the solvent in the liquid phase, and (b) continuously distilling the 2-methylfuran derivative from the reaction mixture. | 07-28-2011 |
20110263880 | EFFICIENT METHOD FOR PREPARING 2,5-DIMETHYLFURAN - The present disclosure provides methods to make liquid fuels from renewable, carbon neutral precursors. Specifically, methods to prepare 2,5-dimethylfuran from a source of fructose or other carbohydrates using a one-pot synthesis are provided. In some embodiments, the disclosed methods avoid the isolation of intermediates, and employ “green” reagents like formic acid and acetic acid. | 10-27-2011 |
20120157698 | DECARBONYLATION PROCESS - A process is provided for the synthesis of furan and related compounds by liquid-phase decarbonylation of furfural and derivatives, using a palladium/metal aluminate catalyst. The compounds so produced can be used as starting materials for industrial chemicals for use as pharmaceuticals, herbicides, stabilizers, and polymers such as polyether ester elastomers and polyurethane elastomers. | 06-21-2012 |
20120165561 | VAPOR-PHASE DECARBONYLATION PROCESS - A process is provided for the synthesis of furan and related compounds by vapor-phase decarbonylation of furfural and derivatives, using a palladium/metal aluminate catalyst that has been promoted with an alkali carbonate, such as cesium carbonate. The use of such catalysts, which are inherently less acidic than alumina, results in improved lifetime and high productivity. | 06-28-2012 |
20140256967 | CERIUM-CONTAINING ZEOLITES AND COKE REDUCTION METHODS - The invention provides a catalyst system for catalytic fast pyrolysis comprising a cerium-incorporated HZSM-5 zeolite (Catalyst 1), and methods of making and using the same. The invention also provides a process for reducing coke formation during catalytic fast pyrolysis of biomass using HZSM-5, wherein the process can include incorporating cerium into the HZSM-5 zeolite to produce Catalyst 1 prior to the catalytic fast pyrolysis. | 09-11-2014 |
20150376153 | METHODS FOR PREPARING ALKYLFURANS - Provided herein are methods for preparing alkylfurans, such as 2,5-dialkylfurans and 2-alkylfurans. Furfural or 5-alkylfurfural can be reacted with aniline or diaminobenzene, or derivatives thereof, to form the corresponding imine, which can be reduced to form alkylfurans and to regenerate the aniline or diaminobenzene, or derivatives thereof. The alkylfuran may be, for example, 2,5-dimethylfuran or 2-methylfuran. | 12-31-2015 |
20160108013 | PROCESSES FOR SELECTIVE EXTRACTION OF UNSAPONIFIABLE MATERIALS FROM RENEWABLE RAW MATERIALS BY REACTIVE TRITURATION IN THE PRESENCE OF A COSOLVENT - A method for extracting an unsaponifiable fraction from a renewable raw material, includes the reactive trituration of the raw material dehydrated in the presence of at least one polar organic solvent including at least one light alcohol, at least one non-polar cosolvent immiscible with the light alcohol and at least one catalyst, resulting in the formation of a polar organic phase enriched with lipids functionalized with one or more function(s) chosen from hydroxyl, epoxide, ketone, thiol, aldehyde, ether and amine functions, and of a non-polar organic phase enriched with lipids containing no or few hydroxyl, epoxide, ketone, thiol, aldehyde, ether and amine function(s), and thereafter the concentration of the organic phases. | 04-21-2016 |
20160200700 | METHODS OF PRODUCING ALKYLFURANS | 07-14-2016 |