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7541480 |
Process for the preparation of a composition comprising unsaturated compounds
The present invention relates to a process for the preparation of a composition comprising unsaturated compounds, in particular polyunsaturated compounds, which comprises concentrating and...
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6664405 |
Method for isolating high-purified unsaturated fatty acids using crystallization
The present invention relates to a method for isolating and purifying only a certain unsaturated fatty acid in a high purity from fatty acids present in oils including vegetable oils and fish oils...
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6528669 |
Recovery of polyunsaturated fatty acids from urea adducts
Polyunsaturated fatty acids, as free fatty acids, fatty acid esters or fatty acid amides, especially EPA and/or DHA, DPC 9/02, are recovered from urea adducts, such as obtained as by-products in...
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6399802 |
Method for soapstock acidulation
Methods for acidification of soapstock and recovery of acidulated fatty acids are disclosed. Further methods of conversion of the acidulated fatty acids to esters are also disclosed. Further...
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5945318 |
Refining oil compositions
This invention relates to a process for treating an oil composition containing saturated and unsaturated fatty acids in the form of triglycerides, with at least some of the unsaturated fatty acids...
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5928478 |
Separation of linoleic acid from linolenic acid by azeotropic distillation
Linoleic acid cannot be separated from linolenic acid by distillation or rectification because of the closeness of their boiling points. Linoleic acid is readily separated from linolenic acid by...
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5734071 |
Process for separating lipophilic compounds
A process for separating lipophilic compounds from other lipophilic compounds and a kit therefore are described, said process comprises the steps of: a) providing a mixture of the lipophilic...
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5679809 |
Concentrate of polyunsaturated fatty acid ethyl esters and preparation thereof
A composition concentrated in ethyl esters of polyunsaturated fatty acids is prepared by mixing a refined oil rich in polyunsaturated fatty acids with ethanol in the presence of a catalyst to...
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5380892 |
Process for separating aliphatic straight-chain compounds having terminal functional groups from alpha-isomers thereof
A process for separation of aliphatic straight-chain compounds having terminal functional groups from mixtures containing isomers thereof branched in the α-position by precipitating the aliphatic,...
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5362895 |
Method of recovering unsaturated fatty acids
A method for recovering at least one unsaturated fatty acid having sixteen or more carbon atoms and/or at least one compound of such a fatty acid from a mixture derived from vegetable, animal or...
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5347023 |
Process for treating fatty acids
A mixture of branched fatty acids containing 18 carbon atoms such as commercial iso-stearic acid is treated to lower the freezing point to below -10° C., by mixing with urea and a lower alcohol,...
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5294731 |
Preparation of β-hydroxycarboxylates
A process for the preparation of β-hydroxycarboxylates of the general formula I ##STR1## in which R 1 and R 2 individually denote C 1 -C 20 alkyl optionally substituted by C 1 -C 8 alkoxy...
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5215630 |
Method of purifying eicosapentaenoic acid or the ester derivative thereof by fractional distillation
The present invention provides a continuous method of purifying eicosapentaenoic acid and esters of eicosapentanoic acid, comprising (a) fractionally distilling a starting mixture containing...
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5130449 |
Isolation of stearidonic acid from fatty acid mixtures
Substantially pure stearidonic acid is isolated from a mixture of polyunsaturated fatty acids by fractionating at 25% to 35% by weight solution of fatty acids by high-performance reverse-phase...
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5078920 |
Process for separating mixed fatty acids from deodorizer distillate using urea
A process is described for separating deodorizer distillates, which are byproducts from processing vegetable and animal fats and oils, into a light fraction enriched in fatty acids and a heavy...
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4792418 |
Method of extraction and purification of polyunsaturated fatty acids from natural sources
To extract and purify of polyunsaturated fatty acids, particularly EPA and DHA, without cis-trans conversion, from naturally occurring oils, such as marine animal oil and various vegetable oils a...
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4776984 |
Process for the enrichment with Δ6 fatty acids of a mixture of fatty acids
For the selective enrichment with fatty acids, of which the first double bond is in the 6 position, of a starting material containing fatty acids of which the first double bond is in the 6 or 9...
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4615839 |
Method of preparing fatty acid composition containing high concentration of eicosapentaenoic acid
A fatty acid composition is produced by subjecting a lipid composition extracted from marine chlorella to solvent fractionation to remove neutral fats, chlorophyll, sterols and majority of...
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4161484 |
Fractionation of glyceride oils by cooling and under homogeneous agitation
Fractionation of glyceride oils is effected by cooling under the influence of homogeneous agitation by stirring, particularly by means of a cylindrical stirrer concentric with a chamber containing...
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4143066 |
Separation and recovery of carboxylic acids from water
A lower carboxylic acid such as acetic acid is separated and recovered from an aqueous medium by the steps which include contacting, in an extraction zone, the aqueous medium with an extracting...
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2838480 |
Separation of mixed fatty acids
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2830040 |
Separation of optical antipodes
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2800466 |
Process for treating a mixture of saturated and unsaturated fatty acids with expanded urea
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2785151 |
Process for treating tall-oil with urea, and particularly a new form of expanded urea
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3578697 |
Title is not available
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