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6844458 |
Vegetable oil refining
The present invention relates to improved methods for refining vegetable oils. Vegetable oil is combined with organic acid and subjected to high shear to finely disperse the acid solution in the...
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6610870 |
Linseed oil and method for preparation thereof
Processed linseed oil essentially consisting of linolenic, linolic and oleic acids, mainly in the form of triglycerides, its content of free tocoferol being less than about 100 ppm; and a process...
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6376689 |
Removal of gum and chlorophyll-type compounds from vegetable oils
A single-step acid degumming/decolorizing process removes chlorophyll-type compounds from vegetable oils from seeds, especially frost damaged seeds which have large amounts of chlorophyll-type...
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6303803 |
Removal of sterols from fats and oils
Disclosed is a method for reducing the sterol, for example cholesterol, content of sterol-containing substances such as fats and oils. The method provides an efficient and cost effective process...
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6284904 |
Purification of organic acids using anion exchange chromatography
Disclosed is a cost-effective method for purifying and acidifying carboxylic acids, including organic acids and amino acids. The method involves removing impurities by allowing the anionic form of...
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6172248 |
Methods for refining vegetable oils and byproducts thereof
The present invention relates to improved methods for refining vegetable oils and byproducts thereof. This invention also relates to an improved process for deodorizing lecithin. The invention...
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6015915 |
Process for degumming a fatty substance and fatty substance thus obtained
Process for degumming a fatty substance such as a crude or delecithinated, animal or vegetable oil or fat, including bringing this fatty substance into contact with an aqueous solution of a...
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5981453 |
Process for the preparation of tenside mixtures
Process for the preparation of a tenside mixture, wherein a starting mixture containing an alkali metal salt of an alkyl sulfonic acid is treated with a concentrated sulfuric acid solution in an...
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5880300 |
Phospholipid-based removal of sterols from fats and oils
Disclosed is a method for reducing the sterol, for example cholesterol, content of sterol-containing substances such as fats and oils. The method provides an efficient and cost effective process...
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5874643 |
Hypophosphorous acid to stabilize fatty alcohols
Fatty alcohol containing admixed therewith a small amount on the order of up to 1.0 wt. % of hypophosphorous acid, exhibits markedly reduced oxidation and oxidation-related deterioration such as...
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5556970 |
Lanolin fatty acids, a method for their fractionation, cosmetics and drugs for external use
The invention provides a process comprising treating a lanolin fatty acid with boric acid to convert hydroxy fatty acids therein to boric acid esters, subjecting the reaction mixture to vacuum...
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5449797 |
Process for the removal of soap from glyceride oils and/or wax esters using an amorphous adsorbent
The invention improves on the amorphous adsorbent-based processes by overcoming the soap leaching problem without using filtration before vacuum bleaching. For fatty materials containing only minor...
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5391786 |
Process for the production of light-colored washing-active α-sulfofatty acid lower alkyl ester salts
Light-colored ester sulfonates can be obtained by sulfonation of fatty acid lower alkyl esters and subsequent working up providing fatty acid esters having a low content of oxo compounds and...
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5315021 |
Process for removing chlorophyll color impurities from vegetable oils
A process for removing chlorophyll color impurities from vegetable oils, the process comprises: i) dispersing a source of phosphoric acid in vegetable oil to form a mixture having a moisture...
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5239097 |
Process for refining soap-containing crude polyol fatty-acid polyester reaction products
The present invention pertains to a process for refining soap-containing crude polyol fatty-acid polyester reaction product, comprising the step of contacting the crude reaction product with an...
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5218138 |
Stereoselective reduction of 3-hydroxyket-1-ones to 1,3-syn-dihydroxylated compounds
This invention is directed to a method for stereoselectively preparing a syn-dihydroxylated compound comprising reacting a 3-hydroxyket-1-one and a sterically hindered dialkylated borane to form a...
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5138075 |
Extractive separation method
The present invention provides an extractive separation method in which a solute contained in a medium can be efficiently extracted and separated with a lower consumption of energy under the...
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5114624 |
Process for the production and recovery of ene reaction products
In a process for the preparation of higher alkyl acrylic acid esters which comprises reacting one or more C 10 + olefins with one or more alkyl acrylic acid esters in the presence of a halogen...
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5034509 |
Method for improving the color and the stability of the color of carboxylic acid or a mixture of the same
The invention relates to a method for improving the color and the stability of the color of carboxylic acid or a mixture of the same by treating the carboxylic acid or its mixture with a...
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4981620 |
In-line dewaxing of edible vegetable oils
A method for the combined in-line bleaching and dewaxing of vegetable oils which includes the steps of bleaching the vegetable oil with a sufficient amount of bleaching clay and filter aid at a...
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4966734 |
Deodorization of fatty ester mixtures
Undesirable odors are removed from fatty ester mixtures which, in addition to other components, contain the esters of highly unsaturated fatty acids, in particular of highly unsaturated 3-fatty...
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4816189 |
Close-coupled process for improving the stability of soybean oil
A close-coupled method of treating unrefined, unbleached soybean oil to produce a stable edible frying oil. The close-coupled process involves performing a series of steps to refine and bleach...
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4781864 |
Process for the removal of chlorophyll, color bodies and phospholipids from glyceride oils using acid-treated silica adsorbents
Phospholipids and/or chlorophyll and other color bodies are removed from glyderide oil by contacting the oil with an acid-treated amorphous silica adsorbent comprising a high surface area amorphous...
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4609500 |
Refining of oil and product thereof
The present invention provides a refined edible oil which has good oxidative, flavor and cold-test stabilities, and which will retain such characteristics in storage without the necessity for...
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4601856 |
Method of purifying oleic acid
A method of producing a highly purified oleic acid is disclosed, which comprises the steps of: (a) separating and removing the resulting precipitated crystal after the cooling of a solution of...
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4584141 |
Process relating to triglyceride oils
The present process for removing impurities from a triglyceride oil includes admixing a hydrolyzed phosphatide and water with the oil, separating the oil into an oil portion and a sludge portion...
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4569796 |
Process for refining triglyceride oils
Process for refining a triglyceride oil comprising bringing the oil into contact with at least an amount of aqueous alkali solution equal to the stoichiometric amount required to neutralize the...
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4349451 |
Fryer oil treatment composition and method
A composition comprising water, food compatible acid and porous rhyolite carrier, and a method of treating used fryer cooking oil are disclosed.
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4325883 |
Process for bleaching naturally-occurring oils and fats
A process for bleaching an oil or fat is disclosed wherein a polar bleaching agent is employed in the presence of a phase transfer catalyst.
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4324735 |
Method for winterizing (dewaxing) of vegetable oils
A method for winterizing (dewaxing) of vegetable oils is described. The method is of an art, comprising the steps of neutralizing the oil, chilling it, mixing in an alkali solution, slow stirring...
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4280962 |
Methods for refining oils and fats
A method of refining animal and vegetable oils and fats comprising mixing said oils and fats with an alkaline solution, admixing the resulting mixture with an acid solution, separating insoluble...
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4240972 |
Continuous process for contacting of triglyceride oils with _an acid
A continuous process of contacting crude oils, particularly triglyceride oils, with an acid for the purpose of removing phosphatides and trace metals is disclosed. The acid is introduced into a...
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4230630 |
Continuous process and apparatus for adsorbent bleaching of triglyceride oils
Triglyceride oils are bleached rapidly and efficiently in a continuous system wherein a stream of the oil is preheated to bleaching temperature and is introduced into a mixing zone in such manner...
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4160774 |
Process of degumming fatty glycerides using sodium acetate and acetic acid buffer
A new process for degumming fatty glycerides is disclosed where a sodium acetate and acetic acid buffer having a pH of 3 to 5 is added to crude vegetable fat containing the fatty glycerides. The...
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4157405 |
Cocoa butter substitutes and their preparation
A cocoa butter substitute comprises sal fat obtained by extracting the fat from the seeds of Shorea robusta and then refining the resulting product. The cocoa butter substitute has a hydroxy value...
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4154750 |
Activated carbon improved vegetable oil refining process
Phospholipid-containing vegetable oils, especially soya oil, are treated by an improved refining method comprising the steps of degumming the crude vegatable oil, passing the degummed oil through a...
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4150045 |
MgO Impregnated activated carbon and its use in an improved vegetable oil refining process
A novel impregnated activated carbon, containing from about 1.0 percent to about 15.0 percent by weight of MgO, has been found to be useful in a method of decolorizing a crude vegetable oil or a...
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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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4125482 |
Method of preparing magnesium oxide impregnated activated carbon
A novel impregnated activated carbon, containing from about 1.0 percent to about 15.0 percent by weight of MgO, has been found to be useful in a method of decolorizing a crude vegetable oil or a...
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4125549 |
Process for the manufacture of cosmetic quality isooctyl neodecanoate
Cosmetic quality isooctyl neodecanoate is manufactured by contacting an alcohol mixture containing a major amount of isooctyl alcohol with neodecanoic acid in the presence of an acid catalyst and...
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4113752 |
Method for refining of palm oils
This invention relates to a method for the refining of palm type oils such as palm oil and other similar natural oils including palm kernel oil, coconut oil, and the like. The method includes...
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4049686 |
Degumming process for triglyceride oils
Triglyceride oils are degummed according to a two-stage process, in which in the first step a substantially concentrated solution of an acid or an anhydride, having a pH of at least 0.5 as measured...
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3947602 |
Treatment of cooking oil
The useful life of cooking oil is increased by treating the cooking oil with a food compatible acid to counteract the adverse effect of food juices which are dissolved in the cooking oil. The...
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3943155 |
Simultaneous refining and dewaxing of crude vegetable oil
A process for refining and dewaxing crude vegetable oils using only one separation step which removes both the hydrophilic and waxy components from the crude oil. An alkali refining/dewaxing...
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3895042 |
Clay-heat refining process
Crude fatty substances, including edible and inedible fats and oils and free fatty acids, are refined by heat treatment in the temperature range of about 250°-500°F in the presence of a bleaching...
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3761499 |
ANIMAL FAT CLEANING COMPOSITION AND METHOD
The present invention relates to the process and composition for removal of proteinaceous fines from crude fat derivatives obtained by a rendering of animals, fowl, and the like by addition of...
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3678084 |
DEODORIZATION OF FATS
A composition and process for the purification of fats and oils employing a mixture of fat soluble strong acid, an acidic clay, and a carbohydrate.
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3542821 |
CIS-RETAINING SELECTIVE HYDROGENATION OF VEGETABLE OILS
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3522145 |
DEODORIZATION OF FATS
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3396182 |
Process for recovery of purified saturated higher fatty acid from fatty acid fractions
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