| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 549497000 | Chalcogen attached indirectly to the hetero ring by nonionic bonding | 33 |
| 20090306414 | Microchannel Reactor - The present invention provides a microchannel reactor that is used as a new reaction device capable of greatly expanding the utilization range of chemical reactions occurring in microspaces. A solution of a soluble linear polymer containing ligands and a solution of a soluble transition metal molecule are individually introduced into a microreactor, the flows are merged inside a microchannel and a metal polymer membrane of a complex formed is generated at the interface of the flows. The membrane is used as a solid catalyst, and various reactions such as carbon-carbon bond formation reactions, oxidation reactions and the like can be conducted at extremely fast reaction rates. | 12-10-2009 |
| 20140066640 | DIRECT TRIFLUOROMETHYLATIONS USING TRIFLUOROMETHANE - A direct trifluoromethylation method preferably using a trifluoromethane as a fluoro-methylating species. In particular, the present method is used for preparing a trifluoromethylated substrate by reacting a fluoromethylatable substrate with a trifiuoromethylating agent in the presence of an alkoxide or metal salt of silazane under conditions sufficient to trifluoromethylate the substrate; wherein the fluoromethylatable substrate includes chlorosilanes, carbonyl compounds such as esters, aryl halides, aldehydes, ketones, chalcones, alkyl formates, alkyl halides, aryl halides, alkyl borates, carbon dioxide or sulfur. | 03-06-2014 |
| 549498000 | The chalcogen, X, is in a -C(=X)- group | 16 |
| 20110098490 | PROCESS FOR PREPARATION OF FORMATE SALT - Processes for the recovery of formate salt from biomass and the product obtained thereof generally include subjecting an aqueous liquid mixture containing levulinic acid, formic acid and possibly furfural to a liquid-liquid extraction process, followed by the recovery of the furfural, the formate salt and the levulinic acid or the levulinate salt. | 04-28-2011 |
| 20130281720 | METHOD FOR EXTRACTING ORGANIC COMPOUNDS FROM AQUEOUS MIXTURES - The invention provides a method to extract organic compounds from aqueous mixtures, using a specially selected organic compound as an extraction liquid. The method can be applied to remove compounds such as acetic acid or ethanol from complex aqueous mixtures, including fermentation reactions or broths, and can be used for in situ extraction of products or by-products from a fermentation reaction. Some suitable extraction liquids for use in these methods include diethylene glycol dibutyl ether, tripropionin, and di(ethylene glycol) diisobutyl ether. | 10-24-2013 |
| 20130338382 | REACTION APPARATUS AND METHOD USING SUPERCRITICAL WATER OR SUBCRITICAL WATER - In a method and apparatus for producing a useful substance by allowing a fluid containing a biomass raw material to act on a supercritical water and/or subcritical water, the fluid containing a biomass raw material in a high concentration is efficiently mixed with the supercritical water and/or subcritical water, whereby the amount of tar and carbon particles produced as by-products is decreased and blockage and abrasion of a pipe and an equipment is suppressed, or it is possible to easily remove the by-products. | 12-19-2013 |
| 20140066641 | METHOD FOR PREPARING 5-CHLOROMETHYL-2-FURFURAL USING GALACTAN DERIVED FROM SEAWEED IN TWO COMPONENT PHASE - The present disclosure relates to an acid catalyst composition for producing 5-chloromethyl-2-furfural from galactan derived from seaweed and a method for producing 5-chloromethyl-2-furfural from galactan derived from seaweed on a two component phase using the acid catalyst, the acid catalyst composition for producing 5-chloromethyl-2-furfural from galactan derived from seaweed including organic solvent and dilute hydrochloric acid, a concentration of the dilute hydrochloric acid being 4N to 8N (normal). | 03-06-2014 |
| 20140275583 | ACID-FUNCTIONALIZED NANOPARTICLE CATALYST AND CATALYZED REACTIONS USING THE SAME - Superparmagnetic acid-functionalized nanoparticle catalysts are provided along with methods of using the same to protonate an oxygen atom of a carbon-oxygen bond. Particularly, the catalysts comprise a nanoparticle having a ferromagentic core surrounded by a metal oxide shell. The nanoparticle is at least partially coated with an acid-functionalized siloxane compound. The acid-functionalized nanoparticles may be used to catalyze any number of reactions that can be catalyzed in the presence of protons. The ferromagnetic core permits the nanoparticle catalyst material to be separated from the reaction medium through application of a magnetic field and reused. | 09-18-2014 |
| 20140364634 | PROCESS FOR CARRYING OUT A REACTION INVOLVING A LIQUID REACTION MIXTURE - In a process for carrying out a reaction, a liquid reaction mixture is contacted with a catalyst that includes silica and/or a silicate, in which process a silicon compound that is soluble in the liquid reaction mixture is added to the reaction mixture before being contacted with the catalyst. The aqueous reaction mixture suitably contains water, an alcohol or a mixture thereof. | 12-11-2014 |
| 20150051413 | NOVEL METHOD FOR PREPARING 5-ACETOXYMETHYLFURFURAL USING ALKYLAMMONIUM ACETATE - The present invention relates to a method for preparing 5-acetoxymethylfurfural, comprising a step of synthesizing 5-acetoxymethylfurfural by reacting 5-halomethyl furfural with alkylammonium acetate. The present invention can provide a method for preparing 5-acetoxymethylfurfural which is economic and has high reaction efficiency even without using an additional base. | 02-19-2015 |
| 20150057457 | HYDROGENATION OF BIOMASS-DERIVED SUBSTRATES - The α,β-unsaturated ketone moiety of a substrate representative of non-food based biomass was hydrogenated to the corresponding saturated alcohol moiety using a composition including (1) a copper salt; (2) a phosphine; (3) a polar aprotic solvent such as acetonitrile, and (4) a compound suitable for providing hydrogen for the hydrogenation, such as a suitable silane material or a suitable siloxane material. | 02-26-2015 |
| 20150361019 | STERO CONTROLLED SYNTHESIS OF (E,Z)-DIENALS VIA TANDEM RH(I) CATALYZED PROPARGYL CLAISEN REARRANGEMENT - A novel Rh(I)-catalyzed approach to synthesizing functionalized (E,Z) dienal compounds has been developed via tandem transformation where a stereoselective hydrogen transfer follows a propargyl Claisen rearrangement. Z-Stereochemistry of the first double bond suggests the involvement of a six-membered cyclic intermediate whereas the E-stereochemistry of the second double bond stems from the subsequent protodemetallation step giving an (E,Z)-dienal. The reaction may be represented by the following sequence. | 12-17-2015 |
| 549499000 | The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens | 7 |
| 20090012320 | Method for the Production of Olefins from Carbonyl Compounds - Carbonyl compounds of the formula (II), wherein R | 01-08-2009 |
| 20100081833 | HYDROXYMETHYLFURFURAL ETHERS AND ESTERS PREPARED IN IONIC LIQUIDS - Accordingly, the current invention provides a method for the manufacture of an ether or ester of 5-hydroxymethyl-furfural by reacting a hexose-containing starting material or HMF with an alcohol or an organic acid dissolved into an ionic liquid, using a metal chloride as catalyst. | 04-01-2010 |
| 20120302774 | PRODUCTION METHODS OF FURAN FATTY ACIDS - Disclosed is a method for preparing a furan fatty acid, more particularly a method for preparing a furan fatty acid by heat-treating 7,10-dihydroxy-8(E)-octadecenoic acid (DOD) in hexane. The present disclosure provides a simple method for producing 7,10-EODA from a dihydroxyl fatty acid precursor. Considering the difficulties in purifying natural furan fatty acids because of easy attack by peroxyl radicals and small quantity and the complicated multiple steps for chemical synthesis, the present disclosure provides a useful way to produce the biologically activity F-acid cost-effectively in large scale. | 11-29-2012 |
| 549501000 | Additional chalcogen attached indirectly to the hetero ring by nonionic bonding | 4 |
| 20090259058 | Process for the Preparation of Prostaglandin Analogues and Intermediates Thereof - The present application provides intermediates for preparing prostaglandin analogues and processes for preparing prostaglandin analogues and intermediates thereof. The intermediates include: A compound of formula (6): | 10-15-2009 |
| 20090306415 | Method For The Synthesis Of Organic Acid Esters Of 5-Hydroxymethylfurfural And Their Use - Method for the manufacture of organic acid esters of 5-hydroxymethylfurfural by reacting a fructose or glucose-containing starting material with an organic acid or its anhydride in the presence of a catalytic or sub-stoechiometric amount of solid acid catalyst. The catalysts are heterogeneous and may be employed in a continuous flow fixed bed reactor. The esters can be applied as a fuel or fuel additive. | 12-10-2009 |
| 20110130577 | Process for the Preparation of Prostaglandin Analogues and Intermediates Thereof - The present application provides intermediates for preparing prostaglandin analogues and processes for preparing prostaglandin analogues and intermediates thereof. The intermediates include: A compound of formula (6): | 06-02-2011 |
| 20130072699 | Method for Producing (2R)-2-Fluoro-2-C-Methyl-D-Ribono-y-Lactone Precursor - In the presence invention, a (2R)-2-fluoro-2-C-methyl-D-ribono-γ-lactone precursor is produced in the form of a ring-opened fluorinated compound by reaction of a 1,2-diol with sulfuryl fluoride (SO | 03-21-2013 |
| 549502000 | Plural chalcogens attached indirectly to the hetero ring by nonionic bonding | 12 |
| 20090192322 | Tetrahydrofuro[3,2-b] pyrrol-3-one intermediates - The present invention relates to a process for preparing a compound of formula (Ia), (Ib), (Ic) or (Id), or a pharmaceutically acceptable salt, hydrate, solvate, complex or prodrug thereof, said process comprising the steps of: (A) (i) treating a compound of formula (IVa), where R | 07-30-2009 |
| 20110137052 | Processes for the Preparation and Purification of Hydroxymethylfuraldehyde and Derivatives - A method for utilizing an industrially convenient fructose source for a dehydration reaction converting a carbohydrate to a furan derivative is provided. Recovery methods also are provided. Embodiments of the methods improve upon the known methods of producing furan derivatives. | 06-09-2011 |
| 20110306780 | Hydroxymethylfurfural Reduction Methods and Methods of Producing Furandimethanol - A method of reducing hydroxymethylfurfural (HMF) where a starting material containing HMF in a solvent comprising water is provided. H | 12-15-2011 |
| 20120029216 | SCALABLE SYNTHETIC PROCESS FOR MAKING TERAMEPROCOL - A manufacturing process for making terameprocol (1) which includes the following reaction scheme, wherein a first general reaction is the formation of a furan intermediate (39) and a second general reaction is the ring-reduction and ring-opening of the furan intermediate (39) to form the terameprocol (1): | 02-02-2012 |
| 20130172586 | PRODUCTION OF TETRAHYDROFURAN-2, 5-DIMETHANOL FROM ISOSORBIDE - Disclosed herein are processes comprising contacting isosorbide with hydrogen in the presence of a first hydrogenation catalyst to form a first product mixture comprising tetrahydrofuran-2,5-dimethanol. The processes can further comprise heating the first product mixture in the presence of hydrogen and a second hydrogenation catalyst to form a second product mixture comprising 1,6-hexanediol. The first and second hydrogenation catalysts can be the same or different. | 07-04-2013 |
| 20130303792 | PROCESS FOR PREPARING FUEL COMPOSITIONS - A process for the preparation of a ring-hydrogenated alkyl furfuryl ether of the general formula (I) or a mixture of such ethers: (I) R″-TF—CH2-O—R where TF represents a 2,5-disubstituted tetrahydrofuran ring, where each R independently represents a hydrocarbyl group having from 1 to 20 carbon atoms and where each R″ independently represents a methyl group, a hydroxymethyl group, the product of an aldol condensation reaction or an alkoxymethyl group of the general formula (II): (II) —CH2-O—R′ where each R′ independently represents a hydrocarbyl group having from 1 to 20 carbon atoms, the process including the step of reacting a 5-(alkoxymethyl)furfural of the general formula (III) or a 2,5-bis(dialkoxymethyl)furan of the general formula (IV) under hydrogenation conditions: (III) R′−O—CH2-F—CH═O (IV) R′—O—CH2-F—CH2-O—R″ to form said ring-hydrogenated alkyl furfuryl ether of the general formula (I) or a mixture of said ethers wherein F represents a 2,5-disubstituted furan ring, and R′, and R″ have the definitions as described above. | 11-14-2013 |
| 20140148605 | PREPARATION OF AMINOMETHYL FURANS AND ALKOXYMETHYL FURAN DERIVATIVES FROM CARBOHYDRATES - Described herein are single step methods of making various classes of alkylamine derivatives of furan and tetrahydrofuran by simultaneous contact of a sugar with H | 05-29-2014 |
| 20140256965 | PROCESS FOR CONVERTING BIO-OIL - Disclosed is a process for converting bio-oil, wherein the process includes the steps, where a feedstock including bio-oil selected from bio-oils, any fractions of bio-oils and any combinations thereof is subjected to azeotropic distillation with at least one alcohol to yield a liquid component, and subjecting the liquid component to alcoholysis whereby converted bio-oil is obtained. The invention also relates to the use of converted bio-oil, obtainable by the process, as heating oil, as starting material in processes for producing fuels, fuel components, fine chemicals, chemical building-blocks, and solvents. | 09-11-2014 |
| 20140378691 | METHOD FOR SELECTIVELY OXIDIZING 5-HYDROXYMETHYL FURALDEHYDE - A method for oxidizing 5-hydroxymethyl furaldehyde, includes at least one step of oxidation in the presence of an organic acid, a nitroxyl radical, an oxygen source, and an oxygen transfer agent. | 12-25-2014 |
| 20150099895 | DIALLYL ETHERS OF 2,5BIS(HYDROXYMETHYL)TETRAHYDROFURAN AND PROCESSES FOR MAKING THE SAME - The diallyl ether derivatives of the cis and trans stereoisomers of 2,5-bis(hydroxymethyl)tetrahydrofuran are produced. These materials are expected to be useful for making a variety of biobased polymers. Processes are further described for producing these diallyl ether derivatives in substantially quantitative yields. | 04-09-2015 |
| 20160052902 | CATALYTIC SYNTHESIS OF REDUCED FURAN DERIVATIVES - The present invention relates to catalytic synthesis of furan derivatives from alkoxymethylfurfural ethers or acyloxymethylfurfural esters. More particularly, the invention pertains to furan derivatives obtained by use of a multifunctional catalyst system to carry out both hydrogenation of furan starting material and hydrolysis of the reduced furan derivative in a single reaction. The process allows recovering and recycling of alcohol or acid from the reaction product. | 02-25-2016 |
| 20160194298 | PROCESS FOR PRODUCTION OF HEXANETRIOL FROM 5-HYDROXYMETHYLFURFURAL | 07-07-2016 |
| 549503000 | Preparing by hydrogenation of furfural | 3 |
| 20110257419 | Hydroxymethylfurfural Reduction Methods and Methods of Producing Furandimethanol - A method of reducing hydroxymethylfurfural (HMF) where a starting material containing HMF in a solvent comprising water is provided. H | 10-20-2011 |
| 20140256966 | METHOD TO STABILIZE BASE METAL CATALYSTS BY OVERCOATING VIA ATOMIC LAYER DEPOSITION AND RESULTING PRODUCT - A method for stabilizing a metal or metal-containing particle supported on a surface is described, along with the resulting composition of matter. The method includes the steps of depositing upon the surface a protective thin film of a material of sufficient thickness to overcoat the metal or metal-containing particle and the surface, thereby yielding an armored surface; and then calcining the armored surface for a time and at a temperature sufficient to form channels in the protective thin film, wherein the channels so formed expose a portion of the metal- or metal-containing particle to the surrounding environment. Also described is a method of performing a heterogeneous catalytic reaction using the stabilized, supported catalyst. | 09-11-2014 |
| 20150353518 | CATALYST AND CATALYTIC PROCESS FOR THE ETHERIFICATION/REDUCTION OF FURFURYL DERIVATIVES TO TETRAHYDROFURFURYL ETHERS - The invention relates to a method for producing tetrahydrofurfuryl ethers, characterised in that it involves carrying out consecutive etherification/reduction reactions based on a compound containing at least one furan ring, in the presence of at least one alcohol and at least one catalyst, optionally in the presence of H | 12-10-2015 |
