| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 549408000 | Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.) | 25 |
| 20080293955 | Method for Producing Vitamin E-Adsorbates - The present invention relates to a process for preparing adsorbates of at least one vitamin E compound in adsorbed form on a silica support, comprising, as the essential step, the mixing of the corresponding vitamin E compound with the silica support under reduced pressure. The invention further relates to adsorbates which are preparable by the process mentioned. | 11-27-2008 |
| 20080312458 | Reactivity of Hydroxymethylglutaryl Coenzyme A (HMG-CoA) Reductase Inhibitors Containing Conjugated Dienes with Phenolic Antioxidants in the Solid-State - The object of this invention was to probe the reactivity of lovastatin, simvastatin, pravastatin, and mevastatin in the solid-state without radical initiators in order to determine the antioxidant that provided the best stability for the statin. Phenolic antioxidants were evaluated. | 12-18-2008 |
| 20100105930 | PROCESS FOR THE PRODUCTION OF ALPHA-TOCOTRIENOL AND DERIVATIVES - The invention discloses novel processes for production, enrichment and/or isolation of alpha-tocotrienol from source material comprising at least one non-alpha-tocotrienol, such as natural extracts comprising mixed tocotrienols. | 04-29-2010 |
| 20110015412 | PRIMARY ALLYLIC ALCOHOL AND AG - The invention relates to a process of reacting a primary allylic alcohol with a compound containing a) a metal selected from the group consisting of Ag, Au, Ce, Mn, Ni, Ru, Re, Zn and Co preferably Ag and b) an oxidant like TEMPO (2,2′,6,6′-tetra-methylpiperidin-1-oxyl) or its derivates and c) a co-oxidants selected from the group of peroxodisulfates (PDS), H | 01-20-2011 |
| 20130041164 | Reduction of Alpha-Tocopherol Quinone - α-tocopherol quinone is chemically reduced by combination with a reducing agent, such as tin (II) ion in the form of stannous chloride (SnCl | 02-14-2013 |
| 20140249321 | HYDROGENATION OF KETONES HAVING AT LEAST A CARBON-CARBON DOUBLE BOND IN THE y, -POSITION - The present invention relates in a first aspect to a process for hydrogenation of ketones having at least a carbon-carbon double bond in the y,8-position to the keto group by hydrogen in the presence of at least one chiral iridium complex of formula (I), where R1 represents a group of formula (II) or (III) or (IV). It has been shown that this process leads to a strong increase in preferential formation of a single isomer. The process is particularly suitable for the hydrogenation of y,8-unsaturated ketones which can be used as flavours and fragrances or for the preparation of vitamin E and its derivatives or of flavours and fragrances. | 09-04-2014 |
| 20140296544 | CYCLIC PEROXIDE OXIDATION OF AROMATIC COMPOUNDS PRODUCTION AND USE THEREOF - The present invention provides a method for converting an aromatic hydrocarbon to a phenol by providing an aromatic hydrocarbon comprising one or more aromatic C—H bonds and one or more activated C—H bonds in a solvent; adding a phthaloyl peroxide to the solvent; converting the phthaloyl peroxide to a di-radical; contacting the di-radical with the one or more aromatic C—H bonds; oxidizing selectively one of the one or more aromatic C—H bonds in preference to the one or more activated C—H bonds; adding a hydroxyl group to the one of the one or more aromatic C—H bonds to form one or more phenols; and purifying the one or more phenols. | 10-02-2014 |
| 20150099894 | PROCESS FOR THE PRODUCTION OF 4-ALKANOYLOXY-2-METHYLBUTANOIC ACID - The present invention relates to an improved process for the production of 4-alkanoyloxy-2-methylbutanoic acid, as well as to the use of such compounds in organic syntheses, especially in processes forming intermediates (building blocks) for the synthesis of organic compounds comprising isoprene (isoterpene) units, such as β-carotene or other carotenoids (e.g. canthaxanthin, zeaxanthin or astaxanthin) or as vitamin E or vitamin A as well as other structurally similar compounds. | 04-09-2015 |
| 20150321971 | EFFICIENT PROCESS OF ASYMMETRIC HYDROGENATION OF UNSATURATED KETONES USING ADDITIVES - The present invention relates to a process of the asymmetric hydrogenation of an unsaturated ketone or aldehyde by molecular hydrogen in the presence of at least one chiral iridium complex and in the presence of at least one additive and a halogenated alcohol. This process yields chiral compounds in a very efficient way and is very advantageous in that the amount of iridium complex can be remarkably reduced. | 11-12-2015 |
| 20150321986 | USING MIXTURES OF E/Z ISOMERS TO OBTAIN QUANTITATIVELY SPECIFIC PRODUCTS BY COMBINED ASYMMETRIC HYDROGENATIONS - The present invention relates to a process of manufacturing compound having stereogenic centres from a mixture of E/Z isomers of unsaturated compounds having prochiral double bonds. The hydrogenation product has a specific desired configuration at the stereogenic centres. The process involves two asymmetric hydrogenation steps. The process is very advantageous in that it forms the desired chiral product from a mixture of stereoisomers of the starting product in an efficient way. | 11-12-2015 |
| 549410000 | Chalcogen of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherol esters, etc.) | 5 |
| 20090240070 | WHITENING DERMATOLOGICAL PREPARATIONS - Disclosed is a dermatological preparation that are safe and are excellent in inhibiting and removing skin pigmentation and in inhibiting skin roughness. A dermatological preparation comprising a tocopherol aminoalkylcarboxylate and/or a salt thereof, the tocopherol aminoalkylcarboxylate being represented by Formula (I): | 09-24-2009 |
| 20090287002 | Process for the working-up of a vitamin E- and vitamin E-acetate- containing mixture or products stream - The invention relates to a process for the working-up of a vitamin E (VE)- and/or vitamin E acetate (VEA)-containing product stream, which is substantially characterized by purification of a vitamin E-containing product stream, acetylation of at least a part of the purified vitamin E and purification of at least a part of the acetylated vitamin E, the purification of vitamin E and vitamin E acetate preferably being effected by distillation, for example rectification. A preferred process according to the invention is characterized in that a vitamin E-containing product stream is fed to a first rectification column ( | 11-19-2009 |
| 20110144358 | Process for the manufacture of trimethylhydroquinone dialkanoates - The present invention is directed to a process for the manufacture of a 2,3,5-trimethylhydroquinone dialkanoate comprising reacting ketoisophorone with an acylating agent in the presence of an indium salt as the catalyst. Preferred are indium(III) salts such as indium trichloride or indium tris (trifluoromethanesulfonate). Further aspects of the present invention are a process for the manufacture of 2,3,5-trimethylhydroquinone using 2,3,5-trimethylhydroquinone dialkanoate as the starting material, especially a process for the manufacture of 2,3,5-trimethylhydroquinone by transesterification of 2,3,5-trimethylhydroquinone dialkanoate, as well as a process for the manufacture of a-tocopherol and its alkanoates, especially of (all-rac)-a-tocopherol and its acetate, comprising the reaction of ketoisophorone to 2,3,5-trimethylhydroquinone dialkanoate according to the present invention. Furthermore, the present invention also deals with a process for the manufacture of formulations of a-tocopherol and its alkanoates, especially of formulations of (all-rac)-a-tocopherol and its acetate, comprising the reaction of ketoisophorone to 2,3,5-trimethylhydroquinone dialkanoate according to the present invention. | 06-16-2011 |
| 20110184194 | Surfactant Compositions and Synthesis - Disclosed herein are environmentally benign surfactants including TPGS-550-M, TPGS-750-M and TPGS-1000-M that comprises of diesters composed of racemic α-tocopherol, MPEG-550, MPEG-750 and MPEG-1000, respectively, and a succinic acid fragment. Also disclosed are novel and efficient methods for their synthesis. The surfactants are designed as an effective nanomicelle-forming species for dissolution of hydrophobic compounds and composition and for general use in metal-catalyzed cross-coupling reactions in water. | 07-28-2011 |
| 20130211105 | ACYLATIONS IN MICRO REACTION SYSTEMS - A method for acylating tertiary alcohols and phenolic compounds with carboxylic acids or their anhydrides in micro-reaction systems wherein the acylation is effected in the absence of any catalyst including water at residence times of at most 30 minutes. | 08-15-2013 |
| 549411000 | Preparing from 1,4-di-oxygen substituted carbocyclic ring (e.g., of p benzoquinones, p-hydroquinones, etc.) | 2 |
| 20090176998 | Process for the manufacture of chroman derivatives, especially alpha-tocopherol and alka-noates thereof - The present invention relates to novel processes for the manufacture of chroman derivatives such as α-tocopherol (TCP) and alkanoates thereof, especially α-tocopheryl acetate (TCPA), whereby at least one step of the processes is carried out in the presence of a Lewis acid or a mixture of a Lewis acid with a Bronsted acid as the catalyst under pressure, preferably at an absolute pressure of at least 1.1 bar. | 07-09-2009 |
| 20120203013 | PROCESS FOR THE OXIDATION OF MESITOL - The invention relates to a process for the oxidation of mesitol with singlet oxygen, which is released from hydrogen peroxide, this release taking place in the presence of a bismuth compound as catalyst. In the process, 2,4,6-trimethylquinol is formed in high yield and selectivity as product, which can be used in further reactions for the synthesis of vitamins and in particular of vitamin A and vitamin E. | 08-09-2012 |
| 549412000 | Processes for chemical modification of substituents on the carbocyclic ring of the bicyclo ring system (e.g., alkylation of tocopherols, etc.) | 1 |
| 20120130093 | PROCESS FOR THE PRODUCTION OF ALPHA-TOCOTRIENOL AND DERIVATIVES - The invention discloses novel processes for production, enrichment and/or isolation of alpha-tocotrienol from source material comprising at least one non-alpha-tocotrienol, such as natural extracts comprising mixed tocotrienols. | 05-24-2012 |
| 549413000 | Purification or recovery | 7 |
| 20110213167 | PALM OIL, DEODORIZED DISTILLATES AND MANUFACTURING METHODS THEREFOR - A palm oil of superior chromaticity and flavor and a manufacturing method therefor with which palm oil can be obtained with good yield even if a chemical refining method of alkaline deacidification is performed. Also a palm oil manufacturing method with which deodorized distillates wherein useful components have been highly concentrated can be obtained, the deodorized distillates and a manufacturing method therefor. Refined palm oil and deodorized distillates as by-product are manufactured with a manufacturing process flow including a process wherein the palm starting material is steamed within 24 hours of harvesting and then pressed to obtain crude palm oil, a subsequent refining process wherein the crude palm oil undergoes alkaline deacidification to obtain the alkaline deacidified palm oil, and a deodorizing process. | 09-01-2011 |
| 20120130094 | SYSTEM AND METHOD FOR EXTRACTING VITAMIN E FROM FATTY ACID DISTILLATES - Various systems and processes for extracting Vitamin E from a fatty acid distillate (FAD) having a Vitamin E component are disclosed. The process includes preparing a mixture of a FAD and a non-polar solvent (e.g., hexane). The mixture can be sequentially cooled to a series of pre-determined temperatures. As the mixture is sequentially cooled to each of the pre-determined temperatures within the series of pre-determined temperatures, non-Vitamin E components present in the FAD can form solid fractions within the mixture at the various pre-determined temperature stages. The process further includes removing the solid fractions from the mixture at each of the pre-determined temperature stages. After completion of a number of cooling and separation stages or cycles, the non-polar solvent can be removed from the remaining mixture to recover a Vitamin E extract. | 05-24-2012 |
| 20140039206 | PROCESS FOR AUTOCATALYTIC ESTERIFICATION OF FATTY ACIDS - The present invention relates to a process for isolation of micronutrients from deodorizer distillate comprising free fatty acids, the process comprises the following steps: (i) treating the deodorizer distillate in an esterification step with glycerol, which esterification step is autocatalysed, producing a feedstock of acyl glycerides, and discharging excess of glycerol and produced water; (ii) transferring the feedstock of acyl glycerides having a water content less than 1500 ppm and a free fatty acid content less than 3 wt % to a transesterification step and treating the feedstock of acyl glycerides with methanol to produce a crude biodiesel product; and (iii) refining the crude biodiesel product in a distillation step, and separating the crude biodiesel product into three fractions 1) fatty acid methyl esters, 2) micronutrient rich product comprising tocopherol, and 3) light hydrocarbons. | 02-06-2014 |
| 20140179933 | RECOVERY OF HIGHLY PURE ALPHA-TOCOTRIENOL FROM CRUDE PALM OIL EXTRACT - Disclosed is a process for the production of high purity alpha-tocotrienol from palm oil extract. More particularly, the invention relates to a process for the separation of alpha-tocotrienol from a mixtures of other tocotrienols and tocopherols and the use of a simplified separation scheme based on a combination of solid phase extraction and simulated moving bed (SMB) separation steps employing polar phase simulated moving bed operation. The process is useful for providing a continuous route and a simplified processing route to providing pure alpha-tocotrienol as a major product essentially free of other tocotrienols and tocopherols including: beta-tocopherol, gamma-tocotrienol, delta-tocotrienol, gamma-tocopherol, delta-tocopherol, front end and back end carotenoids, and alpha-tocopherol as a by-product from palm oil extract. Alpha-tocotrienol is a form of vitamin E and may be useful as a treatment for preventing stroke or reducing brain and nerve damage following a stroke. | 06-26-2014 |
| 20140221674 | PROCESS FOR THE PRODUCTION OF ALPHA-TOCOTRIENOL AND DERIVATIVES - The invention discloses novel processes for production, enrichment and/or isolation of alpha-tocotrienol from source material comprising at least one non-alpha-tocotrienol, such as natural extracts comprising mixed tocotrienols. | 08-07-2014 |
| 20160200701 | METHODS FOR THE SEPARATION OR PURIFICATION OF VITAMIN E, TOCOPHEROLS AND TOCOTRIENOLS FROM LIPID MIXTURES | 07-14-2016 |
| 20180023031 | Recovery of tocopherols/tocotrienols, carotenoids, glycerols, sterols and fatty acid esters from crude vegetable oil and the process thereof | 01-25-2018 |
