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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8017796 | Systems for selective removal of contaminants from a composition and methods of regenerating the same The present invention relates to devices and methods for selectively removing contaminants from a crude product mixture. In an embodiment the invention includes a method for removing organic acids from a crude product mixture including contacting the crude product m... | 09/13/2011 |
| 7365219 | Solid phase extraction method for obtaining high-purity unsaturated compounds or derivatives of said compounds The invention relates to a novel extraction method for obtaining at least one unsaturated, optionally derivatized compound, from mixtures of said compounds with other less saturated constituents, e.g. for obtaining polyunsaturated fatty acids or the derivatives ther... | 04/29/2008 |
| 7304101 | Method of purifying a dispersion of ionic fluoropolymer Anionic species are removed from aqueous dispersions of ionic fluoropolymers using anion exchange resins. In some embodiments, cationic species are also removed using cation exchange resins. ... | 12/04/2007 |
| 7244461 | Method of preparing liquid smoke The invention relates to a method of preparing a smoke extract, which method comprises the steps of i) preparing a char from wood or cellulose preferably by pyrolysis, ii) extracting one or more fractions of the char with an extraction solvent in its supercritical s... | 07/17/2007 |
| 7192526 | Method of optimizing the operation of a xylene separation unit using simulated countercurrent Method of optimizing the operation of a unit intended for separation of the components of a feed (xylenes) by simulated countercurrent in hybrid operating mode. The method allows to minimize the solvent ratio and to maximize the capacity of the separation uni... | 03/20/2007 |
| 7097770 | Separation of plant oil triglyceride mixtures by solid bed adsorption A solid bed adsorptive process for separating a seed oil into two substantially pure triglyceride fractions. The process involves contacting a seed oil, such as castor oil, preferably as a concentrate, with an adsorbent in a bed, the adsorbent having a particle size... | 08/29/2006 |
| 7091368 | Method for the purification of liponic acid The invention relates to a process for purifying lipoic acid, which comprises adding to a solution of lipoic acid at least 0.1 times the amount of an adsorbent, based on the mass of lipoic acid to be purified, and subsequently removing the adsorbent. It is possible ... | 08/15/2006 |
| 7078237 | Micropyrolyzer for chemical analysis of liquid and solid samples A micropyrolyzer has applications to pyrolysis, heated chemistry, and thermal desorption from liquid or solid samples. The micropyrolyzer can be fabricated from semiconductor materials and metals using standard integrated circuit technologies. The micropyrolyzer ena... | 07/18/2006 |
| 7053023 | Method for the production of adsorption agent granules based on acid-activated layer silicates The invention is directed to a method for producing adsorption agent granules on the basis of acid-activated layer silicates, wherein by the acid activation at least 10% of the aluminium oxide present in the starting material is removed, and wherein the filtered mat... | 05/30/2006 |
| 7041728 | Aqueous dispersions of polytetrafluoroethylene having a low amount of fluorinated surfactant The present invention provides a method of making an aqueous dispersion of non-melt processible polytetrafluoroethylene, the method comprising: (a) an aqueous emulsion polymerization of an amount of tetrafluoroethylene to produce a final amount of polytetrafl... | 05/09/2006 |
| 6433201 | Process for separating and purifying eicosapentaenoic acid or its ester Eicosapentaenoic acid or its ester is separated and purified from a mixture containing a highly unsaturated fatty acid or its ester effectively at low cost by a process, which comprises developing the mixture by a mixed solvent of an ether solvent and a h... | 08/13/2002 |
| 6410763 | Liquid chromatography of high purity conjugated fatty acid A method for providing a purified conjugated fatty acid is disclosed. The purified conjugated fatty acid is formed by separating by liquid chromatography a conjugated fatty acid formed by a novel synthesis of reacting an ester of a fatty acid having a fou... | 06/25/2002 |
| 6395915 | Method for producing purified tocotrienols and tocopherols using liquid chromatography A method separating tocotrienols from tocopherols and the isomers thereof on a large-scale or commercially feasible basis. Separation is accomplished using reverse phase partition liquid chromatography. The chromatography column is prepared using a statio... | 05/28/2002 |
| 6350890 | Method for obtaining fatty acids from biomass by combined in/situ extraction, reaction and chromatography using compressed gases The invention relates to a method for obtaining fatty acid esters and fatty acids, preferably unsaturated fatty acid ethyl esters, from biological sources by continuous, combined in-situ extraction, reaction and chromatography. The invention is characteri... | 02/26/2002 |
| 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 the carboxylic acid to bind to an anion exchange column an... | 09/04/2001 |
| 6153774 | Silver ion chromatography of high purity conjugated linoleic acid (CLA) A method for providing a purified conjugated linoleic acid (CLA) is disclosed. The purified conjugated linoleic acid (CLA) is formed by separating by liquid chromatography a 9-cis, 11-trans octadecadienoic acid formed by a novel synthesis of reacting an e... | 11/28/2000 |
| 6096911 | Process for purifying alkoxylated fats A process for purifying alkoxylated fats by treatment with a solid substance, wherein a mixture of aluminum oxide and a silicate is employed as solid substance.... | 08/01/2000 |
| 6013186 | Chromatographic separation of fatty acids using ultrahydrophobic silicalite Silicalite with increased hydrophobicity may be made by steaming silicalite in an atmosphere of at least 10% water vapor at temperatures of 650-850° C. When used as monodisperse spheres with a diameter in the range of 1-20 microns such ultrahydrophobic s... | 01/11/2000 |
| 5917069 | Adsorbent for treatment of oils and/or fats An adsorbent is described based on an inorganic support material with exchangeable mono- and divalent cations, characterized by the fact that the specific surface of the support material is >100 m2 /g, its cation exchange capacity is>30 mg-equi... | 06/29/1999 |
| 5885921 | Hydrophobic silica adsorbents for lipids There is provided a process for the preparation of a highly reactive hydrophobic silica capable of lipophilic binding of lipids present in aqueous media, in particular body fluids. The hydrocarbon substituted silica utilized in the first step of this proc... | 03/23/1999 |
| 5840945 | Method for refining and manufacturing fats and oils containing polyunsaturated fatty acids A method of refining and manufacturing a fat and oil containing polyunsaturated fatty acids which prevents production of peculiar fishy smells when such a fat and oil is added to food materials and while it is stored by preventing oxidation of PUFA's and ... | 11/24/1998 |
| 5840944 | Method to produce highly pure eicosapentaenoic acid or its ester A mixture of fatty acids or their esters derived from natural oils and fats including eicosapentaenoic acids or their derivatives is precision distilled under a high vacuum using a plurality of distillation columns, three distillation columns or more in p... | 11/24/1998 |
| 5599376 | Process and equipment to reclaim reusable products from edible oil process waste streams A process for recovering edible oil and bleaching clay from an edible oil-bleaching clay waste stream and for recovering edible oil and nickel catalyst from a hydrogenated edible oil-nickel catalyst-filter aid waste stream; the recovered bleaching clay ma... | 02/04/1997 |
| 5532141 | Process for obtaining ganglioside lipids A method is taught whereby improved yields of lipid containing molecules, such as gangliosides, are obtained. Involved is the treatment of neural tissue from animals afflicted with GM1 gangliosidosis. Only members of the ovine family, e.g., sheep are so t... | 07/02/1996 |
| 5516924 | Method of refining glyceride oils The invention relates to a method of refining glyceride oil comprising the step of degumming said glyceride oil, wherein said degumming step is followed by a separation step in which undissolved and non-centrifugable particles are removed from said degumm... | 05/14/1996 |
| 5420318 | Preparation of high purity neem seed extracts A new process has been developed for preparing high purity neem seed extract by adsorbing aqueous solutions of neem seed extract containing azadirachtin onto a macroporous polymeric adsorbent followed by desorption using a solvent. The resulting extract, ... | 05/30/1995 |
| 5414100 | Deacidification of vegetable oils A chromatographic process for deacidification of vegetable oils at ambient temperature. According to the process, which can be retrofitted into deacidification operations using miscella refining or solvent extraction, crude vegetable oil is dissolved in a... | 05/09/1995 |
| 5412126 | Carboxylic acid sorption regeneration process Carboxylic acids are sorbed from aqueous feedstocks into an organic liquid phase or onto a solid adsorbent. The acids are freed from the sorbent phase by treating it with aqueous alkylamine thus forming an alkylammonium carboxylate which is dewatered and ... | 05/02/1995 |
| 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 marine sources is provided. Fatty acids and/or fatty acid co... | 11/08/1994 |
| 5290959 | Mass separation of materials An extraction process comprising contracting a material to be extracted with an extracting fluid at elevated pressure within a defined space, and separating the extracted fluid and extract as a mass, from the extracted material while reducing the volume o... | 03/01/1994 |
| 5286886 | Method of refining glyceride oils The invention relates to a method of refining glyceride oil comprising the step of degumming said glyceride oil, wherein said degumming step is followed by a separation step in which undissolved and non-centrifugable particles are removed from said degumm... | 02/15/1994 |
| 5225580 | Process for separating fatty acids and triglycerides A two-stage separation process for separating highly unsaturated triglycerides from an interesterification reaction product by sequential chromatographic separations wherein triglycerides are separated from saturated fatty acids in the first stage and uns... | 07/06/1993 |
| 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 |
| 5179219 | Process for separating fatty acids and triglycerides The separation of free fatty acids from triglycerides is performed by an adsorptive chromatographic process in liquid phase with silica gel as the adsorbent. A ketone, having from 3 to 8 carbon atoms, such as 2-heptanone, an ester or an ether can be selec... | 01/12/1993 |
| 5175324 | Process for separating triglycerides having different degrees of unsaturation The separation of monounsaturated triglycerides from polyunsaturated triglycerides is achieved by an adsorptive chromatographic process in liquid phase with silica gel as the adsorbent at temperatures higher than about 100° C. Desorbents in the separatio... | 12/29/1992 |
| 5171870 | Process for separating triglycerides having different degrees of unsaturation The separation of unsaturated triglycerides on the basis of degree of unsaturation is achieved by an adsorptive chromatographic process in liquid phase with silane- or alcohol-treated silica gel as the adsorbent. Desorbents in the separation process inclu... | 12/15/1992 |
| 5169968 | Mass separation of liquid or soluble components from solid materials utilizing supercritical fluids A process of separating materials is disclosed which comprises contacting a solid material with a fluid at an elevated pressure within a defined space, forming a fluid mixture of said fluid and a component of the solid material at the elevated pressure, s... | 12/08/1992 |
| 5157132 | Integrated process for recovery of carotenoids and tocotrienols from oil A process and apparatus is disclosed for separation of fatty acid alkyl esters, carotenoids and tocotrienols from oil. Fatty acids in a vegetable oil are subjected to alcoholic esterification to form an ester-rich layer including fatty acid alkyl esters, ... | 10/20/1992 |
| 5155245 | Process for refining lanolins The present invention provides a process for refining a material lanolin containing pesticides, the process being characterized in that the pesticide remaining in the material is removed by subjecting to at least one step selected from among (1) the step ... | 10/13/1992 |
| 5151188 | Supercritical fluid extraction enhancer A method for enhancing supercritical fluid extraction of sample matrices which contain water. The method involves mixing the samples with an extraction enhancing aid comprising flux-calcined diatomaceous earth which increases the permeability of the sampl... | 09/29/1992 |
