| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 554206000 | Organic solvent utilized | 23 |
| 20100261922 | Systems and Methods for Extracting Lipids from and Dehydrating Wet Algal Biomass - Exemplary methods include centrifuging a wet algal biomass to increase a solid content of the wet algal biomass to between approximately 10% and 40% to result in a centrifuged algal biomass, mixing the centrifuged algal biomass with an amphiphilic solvent to result in a mixture, heating the mixture to result in a dehydrated, defatted algal biomass, separating the amphiphilic solvent from the dehydrated, defatted algal biomass to result in amphiphilic solvent, water and lipids, evaporating the amphiphilic solvent from the water and the lipids, and separating the water from the lipids. The amphiphilic solvent may be selected from a group consisting of acetone, methanol, ethanol, isopropanol, butanone, dimethyl ether, and propionaldehyde. Other exemplary methods include filtering a wet algal biomass through a membrane to increase a solid content of the wet algal biomass to between approximately 10% and 40% to result in a filtered algal biomass. | 10-14-2010 |
| 20100324318 | ENRICHMENT OF MONOUNSATURATED ACIDS/ESTERS IN VEGETABLE OIL- OR ANIMAL FAT-BASED FEEDSTOCK USING METAL SALTS DISSOLVED IN IONIC LIQUIDS - In some embodiments, the present invention relates to an enrichment process that involves a separation and/or fractionation and/or enrichment of monounsaturated fatty acid/ester molecules from polyunsaturated fatty acid/ester molecules or, correspondingly, monounsaturated molecules from saturated molecules. Such processes are at least partially based on π(pi)-complexation between metal ions and unsaturated bonds of the extractible molecules (fatty acids/esters), wherein a greater degree of unsaturation provides for greater coordinating (bond) strength and corresponding selectivity in the associated π-complexation with metal ions. | 12-23-2010 |
| 20110196163 | Systems and Methods for Extracting Lipids from and Dehydrating Wet Algal Biomass - Exemplary methods include centrifuging a wet algal biomass to increase a solid content of the wet algal biomass to between approximately 10% and 40% to result in a centrifuged algal biomass, mixing the centrifuged algal biomass with an amphiphilic solvent to result in a mixture, heating the mixture to result in a dehydrated, defatted algal biomass, separating the amphiphilic solvent from the dehydrated, defatted algal biomass to result in amphiphilic solvent, water and lipids, evaporating the amphiphilic solvent from the water and the lipids, and separating the water from the lipids. The amphiphilic solvent may be selected from a group consisting of acetone, methanol, ethanol, isopropanol, butanone, dimethyl ether, and propionaldehyde. Other exemplary methods include filtering a wet algal biomass through a membrane to increase a solid content of the wet algal biomass to between approximately 10% and 40% to result in a filtered algal biomass. | 08-11-2011 |
| 20110245524 | PROCESS FOR THE ENRICHMENT OF METHYL RICINOLEATE FROM CASTOR OIL METHYL ESTERS BY LIQUID-LIQUID EXTRACTION - The present invention provides a process for the enrichment of methyl ricinoleate from castor oil methyl esters by liquid-liquid extraction (LLE) in presence of refined vegetable oils using an aqueous polar solvent. The invention provides an extraction of methyl ricinoleate by a non-destructive extraction method with good yields (75 to 90%) and purity (95 to 99%). The method consists of mixing castor oil methyl esters in a refined normal vegetable oil (feed) in a suitable proportion and selective extraction of methyl ricinoleate in a non-destructive manner by liquid-liquid extraction using a polar aqueous solvent, followed by de-solventization and drying of the solute to get enriched methyl ricinoleate fraction with good yields. The non-hydroxy fatty acid methyl esters of castor oil methyl esters are retained in the vegetable oil and can be used for the preparation of biodiesel or oelochemicals or reused in the process for the enrichment of methyl ricinoleate after removal of non-hydroxy fatty acid either by distillation under reduced pressure or further by liquid-liquid extraction using pure solvent. | 10-06-2011 |
| 20120065418 | Extraction of lipids from oleaginous material - Systems and methods for extracting lipids of varying polarities from oleaginous material. | 03-15-2012 |
| 20120264958 | Extraction with Fractionation of Lipids and Co-Products From Oleaginous Material - Systems and methods for extracting lipids of varying polarities from oleaginous material. | 10-18-2012 |
| 20130041168 | EXTRACTION WITH FRACTIONATION OF LIPIDS AND PROTEINS FROM OLEAGINOUS MATERIAL - Systems and methods for extracting lipids of varying polarities from oleaginous material. | 02-14-2013 |
| 20130137886 | Extraction Of Lipids From Living Cells Utilizing Liquid CO2 - A process for the extraction of lipids from living cells utilizing liquid carbon dioxide optionally in the presence of a porous inorganic matrix or polymer coating as well as additional solvents to improve extraction efficiency. The cells may also optionally be treated a photosensitive material to promote cellular photosynthesis. | 05-30-2013 |
| 20130211115 | PROCESS FOR THE PURIFICATION OF A FATTY ACID ALKYL ESTER BY LIQUID/LIQUID EXTRACTION - The present invention relates to a process for the selective extraction of monoglycerides present in a fraction of fatty acid alkyl esters (FAAEs), comprising at least one stage of liquid-liquid extraction by means of a polar solvent (PS) comprising a light alcohol and optionally of a nonpolar solvent (NS) comprising a solvent which is immiscible with the light alcohol. | 08-15-2013 |
| 20130225846 | SOLVENT EXTRACTION OF PRODUCTS FROM ALGAE - Processes for extracting product molecules from an algae feed are provided. The algae feed represents an input stream, batch sample, or other algae portion suitable for use in product extraction. The product extraction is typically performed at pressures greater than ambient pressure. This allows for improved extraction, including the potential for use of extraction solvents at temperatures greater than the boiling point for the solvent. | 08-29-2013 |
| 20130338384 | PROCESS FOR THE RELEASE OF LIPIDS FROM MICROALGAE - The present invention provides a process for the release of lipids from lipid-containing microalgae feedstock, comprising heating the lipid-containing microalgae feedstock to a temperature of more than 80 to 120° C. and at a pressure of from 1 to 5 bar (absolute). | 12-19-2013 |
| 20150329461 | METHODS FOR SEPARATING MIXTURES OF FATTY ACIDS - The invention provides methods for separating mixtures of two or more fatty acids. | 11-19-2015 |
| 20160137951 | SOLVENT EXTRACTION OF PRODUCTS FROM ALGAE - Processes for extracting product molecules from an algae feed are provided. The algae feed represents an input stream, batch sample, or other algae portion suitable for use in product extraction. The product extraction is typically performed at pressures greater than ambient pressure. This allows for improved extraction, including the potential for use of extraction solvents at temperatures greater than the boiling point for the solvent. | 05-19-2016 |
| 20160160151 | METHOD OF SEPARATING OIL FROM A LIQUID STILLAGE - A method of separating oil from a liquid stillage is disclosed. The stillage includes an aqueous phase and an oil phase. The method comprises adding a separation additive to the stillage and performing at least one separation operation on the stillage to separate an amount of the oil phase from the stillage. The separation additive comprises an ester of an alkoxylated non-cyclic polyol and a fatty acid. | 06-09-2016 |
| 554207000 | Water utilized (e.g., solvent-solvent extraction, etc.) | 4 |
| 20120190872 | PROCESS FOR THE RECOVERY OF OLEAGINOUS COMPOUNDS FROM BIOMASS - Disclosed herein are methods and processes for the recovery of oleaginous compounds from biomass and in particular biomass comprises photosynthetic microorganisms. Also disclosure are oleaginous compounds Obtained using the disclosed methods. | 07-26-2012 |
| 20140128627 | New SMB Process - The present invention provides a chromatographic separation process for recovering a polyunsaturated fatty acid (PUFA) product from a feed mixture, which process comprises the steps of: (i) purifying the feed mixture in a first separation step in a simulated or actual moving bed chromatography apparatus having a plurality of linked chromatography columns containing, as eluent, an aqueous organic solvent, to obtain an intermediate product; and (ii) purifying the intermediate product obtained in (i) in a second separation step using a simulated or actual moving bed chromatography apparatus having a plurality of linked chromatography columns containing, as eluent, an aqueous organic solvent, to obtain the PUFA product; wherein (a) the first and second separation steps are carried out sequentially on the same chromatography apparatus, the intermediate product being recovered between the first and second separation steps and the process conditions in the chromatography apparatus being adjusted between the first and second separation steps such that the PUFA product is separated from different components of the feed mixture in each separation step; or (b) the first and second separation steps are carried out on separate first and second chromatography apparatuses respectively, the intermediate product obtained from the first separation step being introduced into the second chromatography apparatus, and the PUFA product being separated from different components of the feed mixture in each separation step. | 05-08-2014 |
| 20140243540 | ALGAE EXTRACTION PROCESS - A method of extracting oil from algae by drying algae paste to a predetermined moisture content, contacting the algae paste with a polar solvent to make an algae-solvent solution and extracting oils from the algae paste into a solvent-oil solution, and separating extracted algae from the solvent-oil solution. An oil of whole and unhydrolyzed phospholipids, whole and unhydrolyzed glycolipids, lysolipids, and carotenoids extracted by the above method. An omega-3 fatty acid of docosahexanoic acids (DNAs) and eicosapentaenoic acids (EPAs) extracted from the above method. Isolated nutraceutical grade and pharmaceutical grade oil derived from algae and being free of toxins extracted by the above method. Isolated oil derived from algae including at least one omega-3 fatty acid of DHA and EPA at least partially in the form of whole and unhydrolyzed phospholipids and whole and unhydrolyzed glycolipids extracted by the above method. | 08-28-2014 |
| 20140336400 | CHROMATOGRAPHIC PROCESS FOR THE PRODUCTION OF HIGHLY PURIFIED POLYUNSATURATED FATTY ACIDS - A process is provided for recovering a first polyunsaturated fatty acid (PUFA) from a feed mixture including at least one additional fatty acid (e.g., a second fatty acid (FA)). The process optionally comprises:
| 11-13-2014 |
| 554208000 | With crystallization or precipitation (e.g., separation according to degree of saturation, etc.) | 2 |
| 20130261326 | PROCEDURE FOR STABILISING POLYUNSATURATED FATTY ACIDS WITH METAL HYDRIDES - The invention relates to a procedure for stabilising polyunsaturated fatty acids with selective reducing agents. In particular, the invention relates to a process of preparation of polyunsaturated acids of the omega-3 series, as such or in the form of esters, which comprises treatment of fish oil or a mixture of acids with urea, and subsequent treatment with a metal hydride, preferably sodium borohydride. The polyunsaturated fatty acids of greatest interest present in fish oil are docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). | 10-03-2013 |
| 554209000 | Halogen containing or hydrocarbon solvent | 1 |
| 20160017257 | ENRICHMENT OF PALMITOLEIC ACID AND PALMITOLEIC ACID DERIVATIVES BY DRY AND SOLVENT-AIDED WINTERIZATION - The present invention provides a fatty acid mixture enriched with palmitoleic acid and palmitoleic acid derivatives relative to the starting lipid mixture; fractionations procedure describe herein are winterization methods. The invention provides methods of dry winterization and solvent-aided winterization alone and in combination. In some embodiments, the palmitoleic acid and palmitoleic acid derivative enriched mixture described herein contains less than 1% of palmitic acid and palmitic acid derivative. The invention also provides palmitoleic derivatives of use as dietary supplements. | 01-21-2016 |
| 554210000 | Halogen containing or hydrocarbon solvent | 3 |
| 20130190519 | RECOVERY AND PURIFICATION OF HYDROXY FATTY ACIDS FROM SOURCE OILS - A process for recovering, purifying and enriching hydroxy fatty acids from source oils. The process source oil comprises the steps of: (a) methylating the source oil to form therein hydroxy fatty acid methyl esters and non-hydroxy fatty acid methyl esters; (b) separating the hydroxy fatty acid methyl esters from the non-hydroxy fatty acid methyl esters with an organic solvent mixture comprising a pentane/hexane and a short-chain alcohol; and (c) separately recovering the hydroxy fatty acid methyl esters and the non-hydroxy fatty acid methyl esters from the organic solvent mixture. Hydroxy fatty acids that can be recovered, purified and enriched with the process include ricinoleic acid, densipolic acid, lesquerolic acid, and auricolic acid. The non-hydroxy fatty acid methyl esters can be recovered, purified and further processed into biodiesel fuels and/or lubricants. | 07-25-2013 |
| 20150025260 | PROCESS FOR THE PREPARATION OF A GRANULAR MICROBIAL BIOMASS AND ISOLATION OF A COMPOUND THEREFROM - A process for the isolation of desired compound(s) from a microbial biomass is disclosed, wherein the microbial biomass (which, if necessary, is pretreated to give a dry matter content of from 25 to 80%) is granulated (e.g. by extrusion) and then dried to a dry matter content of at least 80%. The granulation of the biomass to granules significantly eases subsequent drying of the biomass (which can be stored as dried granules) and gives higher yields on extraction of the compound(s). | 01-22-2015 |
| 20160115422 | LIPID EXTRACTION - Extracting lipids from a feedstock includes contacting a feedstock including water, lipids, and solid organic matter with an organic solvent to yield a mixture; separating the mixture to yield a solid and a liquid; and desolventizing the solid to yield a solid product and a fluid product. The organic solvent may include a polar organic solvent, a non-polar organic solvent, or a combination thereof. The lipids in the mixture are in the liquid state. The solid product has a lipids content of 20 wt % or less. In some cases, the number-weighted particle size distribution of the solid organic matter has a mean dimension of 1 mm or less, the lipids content of the feedstock is at least 20 wt %, the water content of the feedstock is 10 wt % or less or 5 wt % or less, or a combination thereof. | 04-28-2016 |
