Need for Innovation!

Patents for the Manufacture of Furfural
“Patent Search suggests a need to innovate!”

We recently undertook a patent search and were amazed how few new patents have been registered on the topic of furfural manufacturing technologies! Below is the first page of a list of patents (from patents.com) that have furfural mentioned. This, of course, include any application that makes and/or use furfural and its many by-products.


Patent #

Description

US-8,263,792 Biomass refining by selective chemical reactions
A method is disclosed for the acid hydrolysis of carbohydrates in or from biomass, using a solvent system including an aqueous ether, where the ether form a…
US-8,247,490 Adhesion composition and textile materials and articles treated therewith
This invention relates to improved adhesion compositions and textile materials and articles treated therewith. The improved adhesion composition comprises a…
US-8,236,972 Molecular mass enhancement of biological feedstocks
The instant invention involves a process for enhancing molecular mass of biomass reactants. The process comprises first forming a substituted or unsubstituted…
US-8,231,693 5-substituted 2-(alkoxymethyl)furans
The present invention concerns a method for the manufacture of a 5-substituted 2-(alkoxymethyl)furan (or a mixture of such furans) by reacting a starting…
US-8,193,382 Hydroxymethyl furfural oxidation methods
A method of oxidizing hydroxymethylfurfural (HMF) includes providing a starting material which includes HMF in a solvent comprising water into a reactor. At…
US-8,193,381 Hydroxymethyl furfural oxidation methods
A method of oxidizing hydroxymethylfurfural (HMF) includes providing a starting material which includes HMF in a solvent comprising water into a reactor. At…
US-8,168,807 Process for one-stage preparation of 2-methyltetrahydrofuran from furfural over two catalysts in a structured bed
The present invention provides a process for preparing 2-methyltetrahydrofuran by one-stage hydrogenation of furfural with a hydrogen-comprising gas in the…
US-8,133,289 Method for the synthesis of 5-alkoxymethyl furfural ethers and their use
Method for the manufacture of 5-alkoxymethylfurfural derivatives by reacting a fructose and/or glucose-containing starting material with an alcohol in the…
US-8,129,550 Oxidation of 5-(hydroxymethyl) furfural to 2,5 diformylfuran and subsequent decarbonylation to unsubstituted furan
Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of…
US-8,119,823 Solvo-thermal hydrolysis of xylose
The invention relates to a process for producing furfural from xylose comprising: (a) mixing an aqueous xylose solution containing xylose oligosaccharides with…
US-8,076,526 Extractive distillation of conjugated diene
A process for isolating a conjugated diene from a hydrocarbon mixture is disclosed. The process comprises distilling the hydrocarbon mixture in the presence of…
US-8,053,566 Methods for isolating and harvesting lignin and isolated lignin preparations produced using the methods
Lignin polymers having distinctive properties, including a generally high molecular weight and generally homogeneous size distribution, as well as preservation…
US-7,956,203 Oxidation of 5-(hydroxymethyl) furfural to 2,5-diformylfuran and subsequent decarbonylation to unsubstituted furan
Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of…
US-7,897,794 Method for purifying hydroxymethylfurfural using non-functional polymeric resins
Disclosed are methods of at least partially purifying HMF from an aqueous mixture containing reactants and products of HMF synthesis from fructose that relies on…
US-7,875,664 Stabilized ester compositions and their use in film-forming compositions
This invention relates to a composition comprising, consisting of or alternatively consisting essentially of a stabilized furfural or glycol ester of a vegetable…
US-7,850,942 Porous carbons
A method of making mesoporous carbon beads comprises steps of providing a nucleophilic component such as phenolic compound or phenol condensation prepolymer,…
US-7,842,736 Porous carbons
A method is provided for making mesoporous resin. It comprises: (a) providing a nucleophilic component which comprises a phenolic compound or a phenol…
US-7,829,732 High-yield conversion of cellulosic biomass into furanic biofuels and value-added products
Paper, cotton, corn stover, straw, and wood are converted into furanic products in high yields (based on their cellulose content) using a simple, inexpensive…
US-7,781,521 Furfural-urea resins and adhesives and their methods of production
This invention provides methods for producing furfural-urea resins and adhesives. The includes dissolving urea in hot water to produce a hot aqueous solution,…
US-7,718,441 Agent and method for identifying furfurals
The present invention relates to a composition and a method for the determination of furfurals, in particular the chemical signal substances …
US-7,700,788 Hydroxymethyl furfural oxidation methods
A method of oxidizing hydroxymethylfurfural (HMF) includes providing a starting material which includes HMF in a solvent comprising water into a reactor. At…
US-7,572,925 Catalytic process for producing furan derivatives in a biphasic reactor
Described is a catalytic process for converting sugars to furan derivatives (e.g. 5-hydroxymethylfurfural, furfural, dimethylfuran, etc.) using a biphasic…
US-7,520,905 Additives derived from biomass extracted by biodiesel fuel oil
Aqueous sulfuric acid is used for hydrolysis of a biomass, constituting a hydrolysate, to produce organic compounds. Organic compounds such as furfural and…
US-7,271,210 Stabilized ester compositions and their use in film-forming compositions
This invention relates to a composition comprising, consisting of or alternatively consisting essentially of a stabilized furfural or glycol ester of a vegetable…
US-7,173,142 Gaseous acid catalysis
A method of gaseous acid catalysis which finds particular applications in the manufacture of furfural includes the steps of introducing a solid reactant…
US-7,129,364 Process for the preparation of 2-furyl-n-pentylketone and longer chain analogs
A process of making furfural-derived ketones is disclosed. These compounds may be useful as marine antifouling agents. The process uses the steps of: reacting a…
US-7,097,738 Process for producing pulp
The invention relates to a process for producing pulp from a fibre-based raw material using, as the cooking reagent, a solvent mixture which is based on organic…
US-7,067,303 Culture containing biomass acid hydrolysate and Coniochaeta ligniaria fungus
Agricultural biomass hydrolysate is detoxified by culturing in the presence of the fungus Coniochaeta ligniaria (teleomorph) or its Lecythophora (anamorph)…
US-7,048,834 Method for purification of acrylic acid
The present invention provides an industrially easy and economical method for purification of acrylic acid which enables to efficiently eliminate impurities from…
US-7,015,359 Vapor phase catalytic process for simultaneous furfural hydrogenation and cyclohexanol dehydrogenation
The present invention provides a catalytic process for the synthesis of furfuryl alcohol and cyclohexanone simultaneously over a copper based catalyst in vapour…
US-7,009,010 Water-absorbent resin and production process therefor
To provide: a process in which a coarse gel itself is made not to form in the case of applying the aqueous solution polymerization; and a process in which the…
US-7,008,984 Furan polymer impregnated wood
A furan polymer impregnated wood which comprises wood impregnated with a polymerizable furfural alcohol monomer solution containing at least water, stabilizers,…
US-6,955,743 Method for producing furfural, acetic acid and formic acid from spent pulp-cooking liquor
The invention relates to a process for recovering and producing chemicals in a pulp production process where organic chemicals, such as formic acid and acetic…
US-6,866,772 Extraction of aromatics from hydrocarbon oil using furfural-co-solvent extraction process
An improved furfural extraction process for lube oil base-stock production from hydrocarbon oils containing aromatic type material by the addition of a solvent…
US-6,824,576 Hydrogen produced from heterocyclic compounds
Heterocyclic compounds containing furfural and hydroxymethylfurfural are derived from acidic hydrolysis of biomass. Heterocyclic compounds are vaporized and…
US-6,794,473 Acrylic acid (salt) polymer, its production process and uses
The present invention provides: an acrylic acid (salt) polymer, which has a low molecular weight and a narrow molecular weight distribution and can display…
US-6,743,928 Process for the manufacture of furfural
Process for the manufacture of furfural wherein a pentosan-containing raw material acidified or not, is heated to a temperature T.sub.1 by admitting steam…
US-6,720,352 Compositions and process for nematode control
Chemical compositions having superior nematicidal properties are formulated. The compositions contain one or more selected aldehydes as the major component and…
US-6,642,396 Process for the production of furfural from lignosulphonate waste liquor
A process for the production of furfural from lignosulphonate waste liquor which contains pentose is described, the process essentially comprising the…
US-6,620,901 High carbon yield phenolic resole
A high-carbon-yield resole by reacting formaldehyde and excess phenol to an endpoint and then cross-linking with HMTA. Similar high-carbon-yield resoles result…
US-6,603,026 Heterocyclic compounds produced from biomass
Sugars derived from acidic hydrolysis of biomass consist of glucose and xyloses which are subjected to dehydration, within the hydrolysis environment, to form…
US-6,596,908 Process for the recovery of low molecular weight phenols, furfural, furfuryl alcohol and/or cellulose or…
A process for the recovery of furfural, furfuryl alcohol, low molecular weight phenols and/or cellulose or a cellulose-rich material from a lignocellulosic…
US-6,518,440 Hydroxymethylfurfural derived from cellulose contained in lignocellulose solids
A method to produce hydroxymethylfurfural from cellulose contained within lignocellulose solids is disclosed. Hemicellulose contained in lignocellulose solids is…
US-6,506,285 Syntheses of 5,5′-diformyl-2-2’difuran and derivatives thereof
A method of synthesizing 5,5′-diformyl-2,2′-difuran and derivatives thereof, including the steps of subjecting a reaction mixture of furfural or a derivative…
US-6,488,720 Anode material for non-aqueous lithium secondary batteries, a method for the production thereof, and batteries…
A carbonaceous material for use as an anode material in secondary batteries using non-aqueous solvent comprises a material obtained by calcining a solid, the…
US-6,444,731 Modified asphalt
A method for manufacturing modified asphalt is characterized by adding a dispersion agent such as furfural or vegetable oil to a modifier material and then…
US-6,441,202 Heterocyclic compounds extracted by a hydrocarbon
Sugars derived from acidic hydrolysis of biomass consist of glucose and xyloses which are subjected to dehydration, within the hydrolysis environment, to form…
US-6,416,655 Selective extraction using mixed solvent system
A method for concentrating the amount of alkylated mono-aromatics in a lubricating oil feedstock useful as a feedstock for sulfonation. The method comprises…
US-6,384,249 Compounds and methods for stabilization of furfural compositions
Inhibitor compounds containing a moiety according to this invention are used to inhibit air oxidation and thermal polymerization of furfural or furfural…
US-6,309,674 Therapeutic agents for respiratory diseases
Prophylactic or therapeutic agents for respiratory diseases, allergic diseases, keratosis, and carcinomatous pain, containing Smilax china or a plant analogous…

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