Class / Patent application number | Description | Number of patent applications / Date published |
562515000 | Preparation by degradation of carbohydrates | 17 |
20100234638 | PRODUCTION OF FORMIC ACID - Processes for producing formic acid from a carbohydrate-containing material include hydrolyzing a carbohydrate-containing material (e.g., cellulose) in the presence of a mineral acid to form an intermediate hydrolysate comprising one or more sugars, and hydrolyzing the intermediate hydrolysate to form a hydrolysate product including formic acid. | 09-16-2010 |
20120172625 | PRODUCTION OF FORMIC ACID - Processes for producing formic acid from a carbohydrate-containing material include hydrolyzing a carbohydrate-containing material (e.g., cellulose) in the presence of a mineral acid to form an intermediate hydrolysate comprising one or more sugars, and hydrolyzing the intermediate hydrolysate to form a hydrolysate product including formic acid. | 07-05-2012 |
20130204039 | TWO-STAGE, ACID-CATALYZED CONVERSION OF CARBOHYDRATES INTO LEVULINIC ACID - A method of producing levulinic acid from biomass is described. The method includes two acid treatment steps: first, treating biomass with a first aqueous acidic solution at a pH, for a time, and temperature such that at least a portion of pentosans contained within the biomass is extracted from the biomass, to yield pentosan-extracted biomass; second, treating the pentosan-extracted biomass with a second aqueous acidic solution at a pH, for a time, and a temperature, such that at least a portion of hexosans contained within the pentosan-extracted biomass are converted to levulinic acid. | 08-08-2013 |
20130281733 | Molybdenum-containing Acidic Catalysts to Convert Cellulosic Biomass to Glycolic Acid - Embodiments of the present invention include methods and compositions related to catabolic conversion of cellulosic biomass to glycolic acid using molybdenum-containing acidic catalysts. The invention includes the use of heteropoly and isopoly acids and salts as the molybdenum-containing multi-functional catalysts for biomass conversion. In embodiments of the invention, the reactions employ successive hydrolysis, retro-aldol fragmentation, and selective oxidation in a noble metal-free system. | 10-24-2013 |
20130281734 | PROCESS FOR CONVERTING CELLULOSE OR LIGNOCELLULOSIC BIOMASS USING STABLE NON-ZEOLITE SOLID LEWIS ACIDS BASED ON TIN OR ANTIMONY ALONE OR AS A MIXTURE - The invention relates to a process for transformation of lignocellulosic biomass or cellulose using stable non-zeolitic heterogeneous catalysts that are based on tin and/or antimony, preferably dispersed on a substrate. The use of these catalysts makes it possible to obtain directly lactic acid with high selectivity while limiting the production of oligosaccharides and soluble polymers. | 10-24-2013 |
20130338397 | CATALYST AND METHOD FOR SYNTHESIS OF LACTIC ACID AND ITS DERIVATIVES - A catalyst for synthesis of lactic acid and it derivatives is provided. The catalyst includes SnY2.mH | 12-19-2013 |
20140058130 | Method for Synthesis of Lactic Acid and Its Derivatives - A method for synthesis of lactic acid and its derivatives is provided. First, a mixture is prepared, which includes: at least one carbohydrate-containing raw material, at least one alcohol, at least one composite catalyst containing metal chloride(s) (MCl | 02-27-2014 |
20140309454 | METHODS FOR THE VALORIZATION OF CARBOHYDRATES - There are provided methods for the valorization of carbohydrates. The methods comprise reacting a fluid comprising at least one carbohydrate with at least one metal catalyst or at least one metal catalytic system in a fluidized bed reactor so as to obtain at least one organic acid or a derivative thereof. | 10-16-2014 |
20140316158 | METHOD OF OBTAINING ACETATE FROM LIGNOCELLULOSE SPECIFICATION IDENTIFICATION - A method of obtaining an aqueous solution of an alkali acetate from lignocellulose, wherein lignocellulose is treated with a first aqueous extraction solution having a pH value in the range of 12 to 14 and a content of a C | 10-23-2014 |
20140316159 | PROCESS FOR MAKING LEVULINIC ACID - A process is described wherein a feed of a six-carbon carbohydrate-containing material or of a furanic dehydration product from a six-carbon carbohydrate-containing material or of a combination of these is supplied to a reactor in a controlled manner over time up to a desired combined or total feed level, and the feed is acid-hydrolyzed to produce levulinic acid. In certain embodiments, derivatives of the levulinic acid are prepared. | 10-23-2014 |
20140323759 | PRODUCTION OF FORMIC ACID - Processes for producing formic acid from a carbohydrate-containing material include hydrolyzing a carbohydrate-containing material (e.g., cellulose) in the presence of a mineral acid to form an intermediate hydrolysate comprising one or more sugars, and hydrolyzing the intermediate hydrolysate to form a hydrolysate product including formic acid. | 10-30-2014 |
20150080602 | METHOD FOR PRODUCING LEVULINIC ACID FROM SLUDGE AND LIGNOCELLULOSIC BIOMASS - A method and integrated system for producing levulinic acid from the sludge of a pulp and paper mill and other lignocellulosic biomass is provided. | 03-19-2015 |
20150080603 | METHOD FOR PRODUCING ORGANIC ACIDS AND ORGANIC ACID DEGRADATION COMPOUNDS FROM BIOMASS - A method and integrated reactor system are provided for producing one or more organic acids, organic acid degradation compounds, and combinations thereof, from various types of biomass, including sludge from a pulp and paper mill. | 03-19-2015 |
20150329458 | METHOD FOR SYNTHESIS OF LACTIC ACID AND ITS DERIVATIVES AND CATALYST FOR PREPARING SAME - The present disclosure provides a catalyst for preparing lactic acid and derivatives thereof, comprising at least one of metallic compounds MX | 11-19-2015 |
20150353462 | PRODUCTION OF METHACRYLIC ACID - The invention relates to a process for producing methacrylic acid, comprising: converting a C3-oxygenate into propanoic acid, wherein said C3-oxygenate is a compound selected from the group consisting of 1-propanol, monopropylene glycol, monohydroxyacetone, 2-hydroxypropanal, glycerol and dihydroxyacetone; and reacting the propanoic acid with formaldehyde or a precursor of formaldehyde into methacrylic acid. Said C3-oxygenate preferably contains 2 oxygen atoms, and most preferably it is monopropylene glycol. | 12-10-2015 |
20160083326 | Cost Effective Biorefining Process in Which the Product Separation Is Very Easy - A process for converting lignocelluloses selectively into liquid fuels and fine chemicals uses one step of reaction and one step of isolation and separation. The process has the fewest steps of operation for converting biomass into products compared with all known biorefining processes. | 03-24-2016 |
20160168065 | NOVEL SYNTHETIC PROCESS OF ADIPIC ACID | 06-16-2016 |