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| Number | Title | Issue Date |
| RE40938 | Process for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereof A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other carotenoids. Lutein may be used as an analytical standard or in cancer preve... | 10/13/2009 |
| RE40931 | Process for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereof A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other carotenoids. Lutein may be used as an analytical standard or in cancer preve... | 10/06/2009 |
| RE40912 | Process for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereof A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other carotenoids. Lutein may be used as an analytical standard or in cancer preve... | 09/08/2009 |
| 7390869 | Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species A process for removing metal species from a composition comprising contacting: a. an oligomer mixture stream comprising the monomers of a partially aromatic polyester polymer and at least one metal species, or b. a... | 06/24/2008 |
| 7368089 | Systems and methods for producing fluorocarbons Systems and methods for producing fluorocarbons are provided that include contacting a saturated halogenated fluorocarbon with hydrogen and catalyst to produce a saturated hydrofluorocarbon and an unsaturated fluorocarbon. Aspects of the present invention describe s... | 05/06/2008 |
| 7365235 | Processes for producing branched compounds via condensation and hydrogenation Processes for producing branched compounds are described wherein a carbonyl compound is condensed in the presence of a catalyst selected from the group consisting of acids and bases, to form an α,β-unsaturated condensation product; and the α,β-unsaturated conden... | 04/29/2008 |
| 7348461 | Processes for halogenating compounds Methods and materials are provided for the production of essentially isomerically pure perhalogenated and partially halogenated compounds. One embodiment of the present invention provides a process for the production of essentially isomerically pure CFC-216aa. Other... | 03/25/2008 |
| 7332635 | Processes for purifying chlorofluorinated compounds Methods and materials are provided for the production of essentially isomerically pure perhalogenated and partially halogenated compounds. One embodiment of the present invention provides a process for the production of essentially isomerically pure CFC-216aa. Other... | 02/19/2008 |
| 7329786 | Processes for producing CFCFHCF Methods and materials are provided for the production of essentially isomerically pure perhalogenated and partially halogenated compounds. One embodiment of the present invention provides a process for the production of essentially isomerically pure CFC-216aa. Other... | 02/12/2008 |
| 7253294 | Isolation of lutein from alfalfa The present invention provides a process for an industrial scale extraction and purification of xanthophylls (e.g., lutein and zeaxanthin) from plant material (e.g., alfalfa or other leafy green crops having high levels of chlorophyll). The process involves harvesti... | 08/07/2007 |
| 7250537 | Method of hydrogenating phenol The present invention provides a novel method of hydrogenating a phenol for hydrogenating a phenol industrially advantageously. The present invention relates, in the case of phenol hydrogenation in which carbon dioxide is made to participate in the reaction, to a me... | 07/31/2007 |
| 7229786 | Method of producing purified carotenoid compounds A method of producing a carotenoid in solid form includes culturing a strain of Chlorophyta algae cells in a minimal inorganic medium and separating the algae comprising a solid form of carotenoid. In one embodiment f the invention, the strain of Chlorophyta algae c... | 06/12/2007 |
| 7216722 | Fire extinguishing mixtures, methods and systems Fire extinguishing mixtures, systems and methods are provided. The fire extinguishing mixtures can include one or more extinguishing compounds, such as, for example, one or more of fluorocarbons, fluoroethers, and fluorocarbons. The fire extinguishing mixtures can a... | 05/15/2007 |
| 7109361 | Isolation of lutein from alfalfa The present invention provides a process for an industrial scale extraction and purification of xanthophylls (e.g., lutein and zeaxanthin) from plant material (e.g., alfalfa or other leafy green crops having high levels of chlorophyll). The process involves harvesti... | 09/19/2006 |
| 7067615 | Hydrotreating polyester precursors A process comprising contacting a liquid polyester stream with hydrogen in the presence of a hydrogenation catalyst comprising a metal supported on the surface of silicon carbide at a metal dispersion of at least 0.5% or graphite at a metal dispersion of at least 10... | 06/27/2006 |
| 7045643 | Method for obtaining novel lutein-based formulations The present invention describes a method of preparation of formulations of microcrystalline lutein, particularly in the form of esters, which are resistant to oxidation and are soluble in hydrophilic and/or lipophilic media. For these formulations, the esters of lut... | 05/16/2006 |
| 7019181 | Method for the preparation of trimethylcyclohexyl-alkan-3-ols containing a high proportion of trans isomers A method is described for the preparation of a trimethylcyclohexyl-alkan-3-ol containing a proportion of trans isomer of Formula D where R=H, Me, Et, n-propyl, iso-propyl, n-butyl, iso... | 03/28/2006 |
| 7015014 | Isolation of carotenoid crystals The present invention relates to a crystalline carotenoid compound, such as β-carotene, with a purity of at least 95% and with substantially no solvent enclosed in the crystal lattice. The present invention further describes a process to prepare such a highly pure ... | 03/21/2006 |
| 6909021 | Method of extracting lutein from green plant materials The present invention provides a method for extracting carotenoids from green plant materials using supercritical fluid extraction. A first and second supercritical fluid extraction is performed on the green plant composition at two different pressures to obtain two... | 06/21/2005 |
| 6900359 | Production of 3-alkylcycloalkanols A method of making a 3-alkylcycloalkanol of formula 2: where R1 represents a methyl or ethyl group, R2 represents hydrogen, R3 represents an ethyl, propyl, butyl, isobutyl or isoamyl group, R4 represents hydrogen and R | 05/31/2005 |
| 6639113 | Production of dry powders of one or more oxygenated carotenoids A process is described for preparing dry powders of one or more oxygenated carotenoids by a) dispersing one or more oxygenated carotenoids in an aqueous molecular dispersion or colloidal dispersion of a protecting colloid and b) converting the dispersi... | 10/28/2003 |
| 6489520 | Process for the preparation of cis-2-tertiary-butylcyclohexanol by catalytic hydrogenation of 2-tertiary-butylphenol The present invention relates to a process for the preparation of cis-2-tertiary-butylcyclohexanol, where 2-tertiary-butylphenol is hydrogenated in the presence of a nickel/iron catalyst mixture and 2-tertiary-butylcyclohexyl acetate.... | 12/03/2002 |
| 6476278 | Processes for the preparation of alcohols Alcohols are produced in a practical and advantageous method, by the hydrogenation of a carbonyl compound under mild conditions, by reacting the carbonyl compounds with hydrogen in the presence of a bipyridyl derivative, a group VIII transition metal comp... | 11/05/2002 |
| 6376722 | Lutein to zeaxanthin isomerization process and product A lutein to zeaxanthin isomerization process which includes a saponification or alkali treatment of a plant extract containing lutein followed by a heating period under controlled conditions, is carried out in the presence of a surface active agent having... | 04/23/2002 |
| 6329557 | Purification of xanthophylls from marigold extracts that contain high levels of chlorophylls The present invention provides an industrial scale process for obtaining lutein and zeaxanthin concentrates of high purity from saponified marigold extracts that may have high levels of chlorophyll.... | 12/11/2001 |
| 6262316 | Oral preparation for the prophylactic and therapeutic treatment of Helicobacter sp. infection An oral preparation for the prophylactic and/or therapeutic treatment of inflammation in the mucous membrane of mammalian gastrointestinal tract (especially the human stomach) caused by Hicobacter sp. (especially H. pylori) infection is described. The pre... | 07/17/2001 |
| 6191293 | Trans-xanthophyll ester concentrates of enhanced purity and methods of making same Trans-xanthophyll ester concentrates having a trans-xanthophyll ester content of at least four times greater and preferably at least nine times greater than the cis-xanthophyll ester content are obtained. Xanthophyll ester concentrates having a total xant... | 02/20/2001 |
| 5977402 | Processes for preparing 4-tert.-butylcyclohexanol and 4-tert.-butylcyclohexyl acetate 4-tert.-Butylcyclohexanol having a larger content of its cis-isomer is prepared by hydrogenating 4-tert.-butylphenol in a solvent in the presence of a rhodium catalyst and a compound selected from the group consisting of hydrogen chloride and (anhydrous) ... | 11/02/1999 |
| 5973211 | Pigmenting efficiency of a natural xanthophyll by isomerization A method of isomerizing lutein to yield a mixture of epimers of zeaxanthin includes the following steps: mixing a lutein-containing extract in a glycol solution to obtain a mixture, treating the mixture with alkali to obtain an alkali-containing mixture, ... | 10/26/1999 |
| 5969190 | Cyclohexanediol derivatives The compound, (E)-(1R,3R)-5-[(R)-11-hydroxy-7,11-dimethyl-dodec-2-enylidene]-cyclohexane -1,3-diol of the formula I: ##STR1## is useful in the treatment or prevention of hyperproliferative skin diseases, particularly psoriasis, basal cell carcino... | 10/19/1999 |
| 5892133 | Repellent agent against harmful insects and perfume composition containing the same A repellent agent containing a 3-substituted p-menthane (or p-menthene) derivative represented by the following formula (1) is disclosed: ##STR1## In the formula, R is a hydroxy group or hydroxyethyl group; R2 is a hydrogen atom, hydroxy g... | 04/06/1999 |
| 5876782 | Method for the conversion of xanthophylls in plant material This invention relates to the in sito process for converting non-free form xanthophylls to free xanthophylls in the biological material of the plant. The method, more particularly, relates to a method that would liberate xanthophylls by transesterificatio... | 03/02/1999 |
| 5874622 | Hydrogenation of an aromatic compound in the presence of a supported catalyst In a process for hydrogenating an aromatic compound in which at least one hydroxyl group is bonded to an aromatic ring or an aromatic compound in which at least one amino group is bonded to an aromatic ring, in the presence of a catalyst comprising as cat... | 02/23/1999 |
| 5856590 | Process for producing cis-4-t-butylcyclohexanol A process whereby 4-t-butylcyclohexanol with a high content of the cis-isomer, which is useful as a perfume ingredient, can be economically produced on an industrially available scale at a low cost. The process comprises hydrogenating 4-t-butylcyclohexano... | 01/05/1999 |
| 5831134 | Continuous production process of tertiary alcohols by radical addition of secondary alcohols to alkenes A process is disclosed for producing tertiary alcohols by radical addition of secondary alcohols to alkenes. The reaction is carried out as a continuous process in the presence of an organic peroxide as a radical initiator and during a mean contact time o... | 11/03/1998 |
| 5750804 | Process for producing trans-3-isocamphylcyclohexanol A process whereby trans-3-isocamphylcyclohexanol, which is useful as a perfume ingredient, can be produced on an industrially available scale, at a low cost and at a high stereoselectivity, is disclosed. The process comprises hydrogenating 3-isocamphylcyc... | 05/12/1998 |
| 5714642 | Resolution of immixtures of stereoisomeric alcohols Immixture of stereoisomeric alcohols is resolved by selectively enzymatically acylating one of the stereoisomers thereof, in the presence of a catalytically effective amount of a hydrolase, for example a lipase, esterase or acylase, in a biphasic hydroorg... | 02/03/1998 |
| 5648564 | Process for the formation, isolation and purification of comestible xanthophyll crystals from plants A process for forming, isolating and purifying xanthophyll crystals, preferably lutein from marigold flower petals, zeaxanthin from wolfberries or capsanthin and capsorubin from red pepper, is disclosed. A xanthophyll diester-containing plant extract is s... | 07/15/1997 |
| 5523494 | Process for the isomerization of lutein A process to obtain a product with a high zeaxanthin content, to be used mainly as an ingredient in poultry feed to enhance the pigmentation of broiler chickens and egg yolk, by reacting at a controlled temperature and pressure, marigold (Tagetes erecta L... | 06/04/1996 |
| 5420366 | Process for the preparation of optically active 2-arylcyclohexanols The present invention provides a process for preparing optically active 2-arylcyclohexanol and its esters and ethers and which process comprises the step of subjecting 1-aryl-cyclohexane-1,2 diol and its diethers and diesters to hydrogenolysis conditions ... | 05/30/1995 |
