Class 554/208 - With crystallization or precipitation (e.g., separation according to degree of saturation, etc.)

Subclass of Class 554 - Organic compounds -- part of the class 532-570 series
Definition: Processes which involve (1) the change in solution from
No. of patents: 37
Last issue date: 10/21/2008

Number	Title	Issue Date
7439377	Process for producing concentrate of unsaturated fatty acid An easy and inexpensive process by which a concentrate of a given unsaturated fatty acid can be obtained from a mixture which has conventionally been difficult to concentrate. The process, which is for producing a concentrate of a desired isomer (a) from a mixture (...	10/21/2008
7423163	Process for producing concentrate of conjugated fatty acid An easy and inexpensive process by which a concentrate of a given unsaturated fatty acid can be obtained from a mixture which has conventionally been difficult to concentrate. The process, which is for producing a concentrate of a desired isomer (a) from a conjugate...	09/09/2008
7351424	Enhanced purity trans-lutein-ester compositions and methods of making same The present invention relates a composition having a high content of xanthophyll esters, where the xanthophyll ester component of the composition is comprised of a high proportion of trans-lutein esters. The present invention also provides methods of making and usin...	04/01/2008
7258846	Process and installation for the dry fractionation The invention relates to a method and installation for the dry fractionation of edible oils and fats and related products, said method comprising the steps of: a) solidifying the product in a crystallizer comprising at least one cooling chamber that is ...	08/21/2007
7214379	Method for the purification of marigold oleoresin Marigold oleoresin having a low viscosity and a high lutein content which can be filled in soft capsules can be obtained according to the method of the present invention, which is characterized by combining a step of subjecting oleoresin to supercritical fluid extra...	05/08/2007
7186852	Shea butter dimethyl amidopropyl amines Novel dimethyl amidopropyl amines prepared by the reaction of dimethyl amidopropyl amine (DMAPA) and shea butter, preferably mild-processed shea butter (MPSB). Materials of the present invention are useful as cosmetic and personal care ingredients, allowing for the ...	03/06/2007
6846942	Method for preparing pure EPA and pure DHA Pure DHA and pure EPA can be obtained from a mixture of EPA and DHA in a solution by forming salts of DHA and EPA which have different solubilities in the solvent, cooling the solution until the salt of EPA is formed, filtering the solution to recover the salt of EP...	01/25/2005
6841692	Method for producing a fatty acid The present invention provides a method for separating a saturated fatty acid and an unsaturated fatty acid from a mixture of fatty acids by a dry fractionation process with a superior efficiency. Namely, the present invention provides a method for producing a satur...	01/11/2005
6825368	Method for producing a fatty acid The present invention provides a method for producing a saturated fatty acid and an unsaturated fatty acid, which comprises adding and mixing a polyglycerol ester of a fatty acid to a raw fatty acids mixture, cooling the resultant mixture to deposit crystals, and fr...	11/30/2004
6759543	Process for extracting unsaponifiable components of vegetable oils by means of 1-chlorobutane The invention concerns a method for extracting usaponifiable matters from a vegetable oil comprising at least a saponification step whereby the oil is transformed into a hydro alcoholic solution, a step for extracting the hydro alcoholic solution with a organic solv...	07/06/2004
6552208	Fractionation process The invention refers to a process for fractionating a vegetable oil giving one or more solid fractions suitable for confectionary applications as well as a liquid fraction rich in unsaponifiable biologically active components. The liquid fractions of shea...	04/22/2003
6369251	Method for purification of polyprenyl compounds A method for purification of a polyprenyl compound, which comprises the step of recrystallizing a polyprenyl compound, preferably (2E, 4E, 6E, 10E)-3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid by using a solvent comprising an alcohol....	04/09/2002
6265595	Method of solvent fractionation of fat A method of solvent fractionation of a fat by which a high fat concentration, a rise in refrigerant temperature, and a reduction in operation time, etc. can be attained and fractions are efficiently produced at a low cost, characterized by rapidly cooling...	07/24/2001
5952518	Method for reducing saturated fatty acids from fatty acid compositions A method for efficiently removing saturated fatty acids from a fatty acid mixture is provided by adding an emulsifying agent to a feedstock fatty acid mixture, mixing and then cooling the mixture, and removing the crystallized portion by dry fractionation...	09/14/1999
5849940	Triglyceride fractionation The invention concerns a fractionation process for the production of triglycerides with at least 12 wt % SSU (S=saturated fatty acids; U=unsaturated fatty acids) by subjecting a fat with at least 5 wt % SSU to a fractionation, achieving an enrichment fact...	12/15/1998
5602265	Fractionation of triglyceride oils Process for triglyceride oil fractionation using a crystallisation modifying substance which is i. a copolymer having subunits A and B of which subunit A is derived from maleic acid or itaconic acid and subunit B is derived from vinyl alcohol, alkyl subst...	02/11/1997
5556972	Counter current dry fractional crystallization The invention relates to a method for dry fractionation of fatty substances by a counter current dry fractionation operation, comprising at least two dry fractional crystallization treatments; a first dry fractional crystallization treatment comprising the ste...	09/17/1996
5399730	Method of obtaining an purified wool fat and use as an additive to lubricants This invention relates to a purified wool fat essentially free from low molecular weight volatile acids, water soluble aliphatic alcohols and water. This purified wool fat is produced by effecting the esterification of free alcohols and fatty acid contain...	03/21/1995
5210241	Process for preparing cocoa butter equivalent from semi-refined nontoxic Chinese Vegetable Tallow This invention relates to a process of preparing Cocoa Butter Equivalent (CBE) from Chinese Vegetable Tallow (CVT) and to the product prepared. Crude CVT is first subjected to a semi-refining process comprising an alkali treatment, a water wash and an ads...	05/11/1993
4960544	Fractionation of fat blends A process for producing a hard fat, which involves fractionating a fat blend in a diluting liquid oil to obtain a stearin fraction rich in triglycerides from two long chain fatty acids and one medium chain fatty acid. Use of the stearin fraction for the p...	10/02/1990
4880658	Obtaining a fat fraction with azeotropic solvents A process for the fractionation of fats and oils in which the fat or oil is dissolved in a binary azeotropic solvent mixture. The solvent containing the dissolved fat is cooled to a first temperature to crystallize a high melting stearine fraction, and th...	11/14/1989
4601857	Process for fat fractionation with azeotropic solvents A process for the fractionation of fats and oils in which the fat or oil is dissolved in a binary azeotropic solvent mixture. The solvent containing the dissolved fat is cooled to a first temperature to crystallize a high melting stearine fraction, and th...	07/22/1986
4360536	Process for the dry fractionation of oils and fats having a steep dilatation/temperature line and use of the fractionated fats in margarines and shortenings The dry fractionation of oils and fats having a steep dilatation curve (A), i.e. exhibiting a difference in dilatation value at 15° C. and 25° C. of at least 800 mm3 /25 grammes, in practice is difficult. This problem is solved by mixing oils...	11/23/1982
4343744	Process for separating a specified component contained in a mixture of multiple fatty components from the mixture thereof A mixture of multiple fatty components is cooled rapidly by employing an ultra-low temperature refrigerant, whereby the mixture is converted into brittle granulates of fine particles. Each granulate is very low in mutual solubility with other components. ...	08/10/1982
4247471	Process for the production of a plurality of edible fractions from natural fatty substances, and the fractions produced in this way Four edible fractions with specific properties are produced from natural fatty substances by fractionating the substance to be treated by means of solvents, under given conditions in respect of fatty material:solvent proportions and temperature, then inte...	01/27/1981
4243603	Process for the production of a liquid edible oil from fatty materials having a high content of saturated fatty acids and the oil produced by the process A process for the production of a liquid edible oil having properties which are comparable to those of commercially available edible oils. The fatty material to be treated is interesterified and then fractionated by means of a suitable solvent under specific c...	01/06/1981
4235796	Process for fractional crystallization of lipids Crystallizable lipid is fractionally crystallized from a fugitive solvent therefor in a crystallization zone wherefrom a washed crystal containing slurry substantially depleted in liquid lipid is withdrawn and the crystals are separated from such washed s...	11/25/1980
4201718	Production of hardbutter Method of producing hard butters by hydrogenating a fat or oil having an iodine value of 60 to 85 with a nickel catalyst containing 6 to 21 parts by weight of sulfur per 100 parts of nickel followed by a fractionation separation and recovery operation of ...	05/06/1980
4167519	Olein-stearin separation A process for separating olein and stearin fractions from an oil containing olein and stearin which process comprises providing a fluid comprising (a) the oil concerned, and (b) a liquid single phase mixture of two components; (i) at least one liquid polyhydroxy co...	09/11/1979
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 the oil, with the development of crystalline agglomerates ...	07/17/1979
4129583	Process for separating crystallizable fractions from mixtures thereof In a continuous process for separating crystallizable organic components from mixtures thereof in solution, a feedstock of such components is mixed with at least one solvent therefor and the resulting feedstock mixture is continuously fed into a vessel in...	12/12/1978
4127597	Continuous fractionation of tallow and production of a cocoa butter-like plastic fat Edible tallow is continuously processed through a crystallizing system to produce three fractions, one of which has physical and thermal properties like those of cocoa butter. Nominal residence time of the crystallizing solution in the system at steady st...	11/28/1978
4104464	Purification of sucrose esters A soap-free sucrose ester-containing surfactant is obtained by transesterifying sucrose with at least one fatty acid triglyceride to produce a solid material containing sucrose esters, glycerides and fatty acid soaps, and treating this material with a sol...	08/01/1978
4103039	Method for producing improved shea fat A method for producing improved shea fat suitable for hard butter, which comprises treating a raw shea fat with a lower aliphatic alcohol (e.g. ethanol, propanol or isopropanol), removing the alcohol-insoluble portion, cooling the remaining solution to se...	07/25/1978
4048203	Purification of lutein-fatty acid esters from plant materials A new process for the purification of lutein-fatty acid esters from marigold flower petals or marigold petal oleoresins based on alkanol precipitation is disclosed. The purified colorant thus prepared is suitable for coloring foods in the yellow to red re...	09/13/1977
3953484	Method of separating fatty acid fractions Fractionation of liquid or solid mixtures of fatty acids is enhanced by a pretreatment which comprises whipping and maceration of the mixture to form a gas-entrained slurry. Preferably the whipping and maceration are carried out in the presence of air. Du...	04/27/1976
3944585	Multi-step crystallization and blending process for making physiochemically designed fat compositions from tallow Beef tallow is partitioned into five well defined fractions, each having its own distinctive fatty acid and glyceride composition and its own distinctive thermal characteristics, by a precise multi-step crystallization. Two of the five fractions are cryst...	03/16/1976

PatentStorm

Quotables

PatentStorm News

Class 554/208 - With crystallization or precipitation (e.g., separation according to degree of saturation, etc.)