Class / Patent application number | Description | Number of patent applications / Date published |
568822000 | Six-membered alicyclic ring containing | 41 |
20090177017 | Precursors to Fluoroalkanol-Containing Olefin Monomers, and Associated Methods of Synthesis and Use - The invention provides alkene fluoroalkanol and fluorinated polyol precursors to fluoroalkanol-substituted α,β-unsaturated esters. The fluoroalkanol-substituted α,β-unsaturated esters are olefins that can be readily polymerized to provide fluoroalkanol-substituted polymers useful in lithographic photoresist compositions. Also provided are methods for synthesizing the alkene fluoroalkanol and fluorinated polyol precursors. | 07-09-2009 |
20110251439 | CONTINUOUS METHOD FOR PRODUCING SUBSTITUTED CYCLOHEXYLMETHANOLS - The present invention relates to a continuous process for preparing para-alkyl-substituted cyclohexylmethanols, especially 4-isopropylcyclohexylmethanol, by catalytically hydrogenating the corresponding aldehydes or ketones in the presence of hydrogen and in the presence of a catalyst which comprises, as an active metal, ruthenium applied to a support, the support comprising Al | 10-13-2011 |
20130345477 | NOVEL ALICYCLIC ALCOHOL - Provided is an alicyclic alcohol compound which can be used as a raw material for a compound perfume, and which has excellent floral-green-like aromas which are crisp and fresh; also provided are a manufacturing method for the same, and a perfume composition which contains the alicyclic alcohol compound. An alicyclic alcohol compound having a specified structure represented by chemical formula (1) has excellent floral-green-like aromas which are crisp and fresh; and a method for manufacturing the alicyclic alcohol compound represented by chemical formula (1) by reacting, in the presence of hydrogen fluoride, 4-isopropyl-1-methylcyclohexene and carbon monoxide, isomerising the resulting 4-isopropyl-1-methylcyclohexane carboxylic acid fluoride, thus making 2-methyl-2-(4-methylcyclohexyl)-propionyl fluoride, reacting with alcohol and acquiring a cyclohexane carbonyl compound, and then reducing the cyclohexane carbonyl compound. | 12-26-2013 |
568823000 | Unsaturation in the ring | 8 |
568825000 | Single hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) | 8 |
20130331615 | METHOD FOR EXTRACTING SILK EXTRACT CONTAINING LUTEIN - A method for obtaining silk extract containing lutein according to an embodiment of the invention is described. The lutein extraction method uses a three solvent system for extracting bioactive lutein from silk fibers. The extracted lutein has more than 95% purity in all-E isomer with biological activity being 5 times more effective on lipid peroxidation in retina cells and twice immune stimulation in mice when compared with commercially available lutein. | 12-12-2013 |
568826000 | The hydroxy is attached indirectly to the ring | 7 |
20080269530 | Method for Producing Alpha-Bisabolol from Farnesol - The present invention relates to a process for preparing α-bisabolol, comprising the reaction of farnesol in the presence of a ketone, of a sulfonic acid and of a further strong acid. | 10-30-2008 |
20130123548 | Compounds with a Woody Note - The invention relates to the chemistry of fragrances and to the field of perfumery. It relates more particularly to compounds with a woody note, responding to the general formula: | 05-16-2013 |
20130289317 | Method for Converting Farnesol to Nerolidol in the Presence of Alpha-Bisabolol - A method for converting farnesol to nerolidol in the presence of alpha-bisabolol including providing or preparing a mixture of alpha-bisabolol, farnesol, and one or more catalysts for selective isomerization of farnesol to nerolidol in the presence of alpha-bisabolol, and converting at least a portion of the farnesol to nerolidol. | 10-31-2013 |
20130303807 | PHARMACEUTICAL COMPOSITIONS COMPRISING MONOTERPENES - The present invention provides a process for purifying a monoterpene or sesquiterpene having a purity greater than about 98.5% (w/w). The process comprises the steps of derivatizing the monoterpene (or sesquiterpene) to produce a monoterpene (or sesquiterpene) derivative, separating the monoterpene (or sesquiterpene) derivative, and releasing the monoterpene (or sesquiterpene) from the derivative. Also encompassed by the scope of the present invention is a pharmaceutical composition comprising a monoterpene (or sesquiterpene) having a purity greater than about 98.5% (w/w). The purified monoterpene can be used to treat a disease such as cancer. The present monoterpene (or sesquiterpene) may be administered alone, or may be co-administered with radiation or other therapeutic agents, such as chemotherapeutic agents. | 11-14-2013 |
20150368173 | PHARMACEUTICAL COMPOSITIONS COMPRISING MONOTERPENES - The present invention provides a process for purifying a monoterpene or sesquiterpene having a purity greater than about 98.5% (w/w). The process comprises the steps of derivatizing the monoterpene (or sesquiterpene) to produce a monoterpene (or sesquiterpene) derivative, separating the monoterpene (or sesquiterpene) derivative, and releasing the monoterpene (or sesquiterpene) from the derivative. Also encompassed by the scope of the present invention is a pharmaceutical composition comprising a monoterpene (or sesquiterpene) having a purity greater than about 98.5% (w/w). The purified monoterpene can be used to treat a disease such as cancer. The present monoterpene (or sesquiterpene) may be administered alone, or may be co-administered with radiation or other therapeutic agents, such as chemotherapeutic agents. | 12-24-2015 |
20160039730 | PHARMACEUTICAL COMPOSITIONS COMPRISING MONOTERPENES - The present invention provides a process for purifying a monoterpene or sesquiterpene having a purity greater than about 98.5% (w/w). The process comprises the steps of derivatizing the monoterpene (or sesquiterpene) to produce a monoterpene (or sesquiterpene) derivative, separating the monoterpene (or sesquiterpene) derivative, and releasing the monoterpene (or sesquiterpene) from the derivative. Also encompassed by the scope of the present invention is a pharmaceutical composition comprising a monoterpene (or sesquiterpene) having a purity greater than about 98.5% (w/w). The purified monoterpene can be used to treat a disease such as cancer. The present monoterpene (or sesquiterpene) may be administered alone, or may be co-administered with radiation or other therapeutic agents, such as chemotherapeutic agents. | 02-11-2016 |
568827000 | Terpineol | 1 |
20100168479 | Process for separating tertiary alcohols from secondary alcohols from pine oil - A process for separating at least one tertiary alcohol from at least one secondary alcohol from pine oil, the process comprising:
| 07-01-2010 |
568828000 | Carbon to carbon unsaturation in substituent | 3 |
20080214877 | Method for the Production of Enriched Isopulegol - The present invention relates to a process for preparing enriched isopulegol by crystallization from a melt comprising isopulegol. The invention relates specifically to a process for preparing enantiomerically enriched n-isopulegol proceeding from optically active isopulegol having a relatively low enantiomeric excess by crystallization from the melt. The invention further relates to a process for preparing menthol proceeding from enantiomerically and/or diastereomerically enriched n-isopulegol prepared by crystallization from the melt. | 09-04-2008 |
20100016642 | RECOVERY OF PHENOL LIGANDS DURING THE PRODUCTION OF ISOPULEGOL - The present invention relates to a method of working up an aluminum-containing reaction product from the production of isopulegol by cyclization of citronellal in the presence of complex compounds, comprising at least one ligand of the formula (I), | 01-21-2010 |
20150329452 | METHOD FOR PRODUCING OPTICALLY ACTIVE ISOPULEGOL AND OPTICALLY ACTIVE MENTHOL - A method for producing an optically active isopulegol includes asymmetrically isomerizing a specific compound in the presence of a ruthenium catalyst and a base, thereby giving an optically active citronellal, and selectively cyclizing the optically active citronellal in the presence of an aluminum catalyst. The aluminum catalyst is obtained by reacting a specific hydroxy compound and at least one aluminum compound selected from a specific alkylaluminum compound, a specific hydride aluminum compound, a specific linear aluminoxane and a specific cyclic aluminoxane. | 11-19-2015 |
568829000 | Menthols (H of -OH may be replaced by a Group IA or IIA light metal) | 12 |
20080228013 | Process for purifying menthol - Crude menthol is dissolved in nitrile series solvent and then menthol is precipitated by cooling the solution to thereby obtain optically and chemically substantially pure menthol, the enantiomeric excess thereof being more than about 99% e.e. and the chemical purity being more than about 99%. Preferred examples of the nitrile series solvent include acetonitrile and propionitrile. The dissolution of crude menthol is carried out at a temperature below 42° C., which is the melting point of menthol. The cooling temperature in crystallization is preferably at a room temperature or a little lower temperature than the room temperature. After crystallization of menthol, additional purification process such as a distillation may be conducted, if necessary. | 09-18-2008 |
20110313205 | METHODS AND APPARATUS FOR PRODUCTION OF NATURAL L-MENTHOL - Embodiments are provided that provide for efficient production of highly pure natural I-menthol. In some embodiments, a method for preparing natural I-menthol involves providing crude mentha oil in a crystallizer and gradually reducing the temperature of the crystallizer in a step-wise manner, thereby producing highly pure crystals in less than two weeks. The methods disclosed herein are suitable for pharmaceutical GMP. | 12-22-2011 |
20140012046 | ISOMERISATION CATALYST - The present invention relates to a process for preparing menthol isomers by selective rearrangement of stereoisomers of menthol or mixtures thereof in the presence of ruthenium-containing supported catalysts doped with or comprising alkaline earth metal alkoxides, and to the catalysts themselves. | 01-09-2014 |
20140018580 | Separation of isomeric menthol compounds - The invention relates to a process for rectificative separation of compositions of matter containing diastereomers of 2-isopropyl-5-methylcyclohexanol by using ionic liquids as extractants. | 01-16-2014 |
20140066664 | PROCESS FOR THE PREPARATION OF MENTHOL - The invention relates to a process for the preparation of 2-isopropyl-5-methylcyclohexanol (menthol) via the hydrogenation of thymol to neomenthol and the subsequent isomerization to give D/L (+/−)-menthol. | 03-06-2014 |
20160009616 | Method for Producing a Water Soluble Menthol Compounds having Antibacterial, Anti-Inflammatory, and Bacteriostatic Effects | 01-14-2016 |
568830000 | Preparing by reduction (e.g., by hydrogenation, etc.) | 6 |
20080207957 | Method For The Production Of Isopulegol - The present invention relates to a process for the preparation of isopulegol of formula (I): | 08-28-2008 |
20100191021 | PROCESS FOR PREPARATION OF MENTHOL BY HYDROGENATION OF ISOPULEGOL - The present invention relates to a process for preparing racemic or optically active menthol by catalytically hydrogenating racemic or optically active isopulegol in the presence of hydrogen and catalysts which comprise nickel-, copper-, zirconium- and molybdenum-containing compounds. The present invention relates specifically to a corresponding process far continuously catalytically hydrogenating L-isopulegol to L-menthol. | 07-29-2010 |
20100249467 | METHOD FOR PRODUCING OPTICALLY ACTIVE, RACEMIC MENTHOL - The present invention relates to a particularly economic overall method for producing menthol, specifically for producing optically active, essentially enantiomerically and diastereomerically pure L-menthol and racemic menthol, starting from the starting material citral which is available inexpensively on an industrial scale. The method comprises the following steps | 09-30-2010 |
20130046118 | METHOD FOR PRODUCING OPTICALLY ACTIVE, RACEMIC MENTHOL - The present invention relates to a particularly economic overall method for producing menthol, specifically for producing optically active, essentially enantiomerically and diastereomerically pure L-menthol and racemic menthol, starting from the starting material citral which is available inexpensively on an industrial scale. The method comprises the following steps
| 02-21-2013 |
20130253228 | METHOD FOR MANUFACTURING OPTICALLY ACTIVE MENTHOL - An object of the present invention is to provide a method for manufacturing an optically active menthol having fewer steps, which generates less environmentally polluting waste because a catalytic reaction is involved in all of the steps, and is capable of saving a production cost. The present invention relates to a method for manufacturing an optically active menthol, including the following steps: A-1) asymmetrically hydrogenating at least one of geranial and neral to thereby obtain an optically active citronellal, B-1) conducting a ring-closure reaction of the optically active citronellal in the presence of an acid catalyst to thereby obtain an optically active isopulegol, and C-1) hydrogenating the optically active isopulegol to thereby obtain an optically active menthol. | 09-26-2013 |
20140066665 | PROCESS FOR THE PREPARATION OF MENTHOL - The invention relates to a process for the preparation of 2-isopropyl-5-methylcyclohexanol (D,L-menthol) via the hydrogenation of thymol to menthone and subsequent further hydrogenation to give D,L-menthol. | 03-06-2014 |
568831000 | Methylol cyclohexane (H of -OH may be replaced by a Group IA or IIA light metal) | 8 |
20100267997 | PROCESS OF REFINING C6-16 ALIPHATIC DIOLS - A process of refining a crude C | 10-21-2010 |
20110098514 | HYDROGENATION OF ALIPHATIC DIALDEHYDES TO ALIPHATIC DIOLS - A process of hydrogenating an aliphatic dialdehyde, preferably, a C | 04-28-2011 |
20120238784 | METHOD FOR PRODUCING ALICYCLIC ALCOHOL - Disclosed is a method for producing an alicyclic alcohol represented by general formula (III) which is useful as a starting material for a flavor mixture or the like at low cost in high yield. The alicyclic alcohol represented by general formula (III) is produced by preparing a cyclohexanecarbonyl compound represented by general formula (II) through the carbonylation of an unsaturated hydrocarbon represented by general formula (I) (preferably a compound obtained through the partial reduction of a diene compound) using carbon monoxide in the presence of HF, and thereafter reducing the cyclohexanecarbonyl compound. In formulae (I), (II), and (III), R | 09-20-2012 |
20130030219 | PROCESS FOR THE PREPARATION OF 1,4-CYCLOHEXANEDIMETHANOL - Disclosed is a process for the preparation of 1,4-cyclohexanedimethanol from terephthalic acid. Terephthalic acid is esterified with (4-methylcyclohexyl)methanol and the terephthalate ester hydrogenated to 1,4-cyclohexanedimethanol in a 2-stage process. The (4-methylcyclohexyl)methanol that is formed during the hydrogenation step is recycled to the esterification reaction. After removal of the (4-methylcyclohexyl)methanol from the crude hydrogenation product, the 1,4-cyclohexanedimethanol product can be recovered and purified by a phase separation and distillation. | 01-31-2013 |
20130030220 | INTEGRATED PROCESS FOR THE PREPARATION OF 1,4-CYCLOHEXANEDIMETHANOL FROM TEREPHTHALIC ACID - Disclosed is an integrated process for the preparation of 1,4-cyclohexanedimethanol from terephthalic acid. Terephthalic acid is esterified with (4-methylcyclohexyl)methanol and the terephthalate ester hydrogenated to 1,4-cyclohexanedimethanol in a 2-stage process. The (4-methylcyclohexyl)methanol that is formed during the hydrogenation step is recycled to the esterification reaction. Also disclosed is a method for purifying and recovering the 1,4-cyclohexanedimethanol product. | 01-31-2013 |
20130030221 | PROCESS FOR THE PREPARATION OF 1,4-CYCLOHEXANEDIMETHANOL FROM TEREPHTHALIC ACID - Disclosed is a process for the preparation of 1,4-cyclohexanedimethanol from terephthalic acid. Terephthalic acid is esterified with (4-methylcyclohexyl)methanol and the terephthalate ester hydrogenated to 1,4-cyclohexanedimethanol in a 2-stage process. The (4-methylcyclohexyl)methanol that is formed during the hydrogenation step is recycled to the esterification reaction. Also disclosed is a method for purifying and recovering the 1,4-cyclohexanedimethanol product. | 01-31-2013 |
20130030222 | PROCESS FOR THE PREPARATION OF 1,3-CYCLOHEXANEDIMETHANOL FROM ISOPHTHALIC ACID - Disclosed is a process for the preparation of 1,3-cyclohexanedimethanol from isophthalic acid. Isophthalic acid is esterified with (3-methylcyclohexyl)methanol and the isophthalate ester hydrogenated to 1,3-cyclohexanedimethanol in a 2-stage process. The (3-methylcyclohexyl)methanol that is formed during the hydrogenation step is recycled to the esterification reaction. Also disclosed is a method for purifying and recovering the 1,3-cyclohexanedimethanol product. | 01-31-2013 |
20150112100 | Bio-Based Terephthalate Polyesters - Bio-based terephthalic acid (bio-TPA), bio-based dimethyl terephthalate (bio-DMT), and bio-based polyesters, which are produced from a biomass containing a terpene or terpenoid, such as limonene are described, as well as the process of making these products. The bio-based polyesters include poly(alkylene terephthalate)s such as bio-based poly(ethylene terephthalate) (bio-PET), bio-based poly(trimethylene terephthalate) (bio-PTT), bio-based poly(butylene terephthalate) (bio-PBT), and bio-based poly(cyclohexylene dimethyl terephthalate) (bio-PCT). | 04-23-2015 |
568832000 | Hydroxy bonded directly to the ring (e.g., terpin hydrate, etc.) (H of -OH may be replaced by a Group IA or IIA light metal) | 7 |
20100204524 | METHOD FOR THE PREPARATION OF CIS-4-TERT-BUTYLCYCLOHEXANOL - The present disclosure relates to a method for the stereoselective production of cis-4-tertbutylcyclohexanol comprising contacting 4-tert-butylcyclohexanone with hydrogen gas, a catalyst comprising a ruthenium-aminophosphine complex and a base, wherein the complex is of the formula RuX | 08-12-2010 |
20120172632 | CONTINUOUS METHOD FOR THE HYDROGENATION OF AROMATIC COMPOUNDS - The invention relates to a continuous method for the catalytic hydrogenation of an aromatic compound into a cycloaliphatic compound, wherein said method is carried out in a piston reactor provided with a mechanical axially agitating means and comprises continuously feeding a liquid phase comprising said aromatic compound and a catalyst dispersed to the liquid phase, subjecting said liquid phase, at a temperature of between 100° C. and 300° C. and while being mechanical axially agitated, to the effects of a hydrogen pressure of between 10 and 250 bars in the presence of said catalyst dispersed in the liquid phase for a residence time of between 1 second and 10 minutes, and removing the liquid phase from the reactor. | 07-05-2012 |
20130338403 | NOVEL ALICYCLIC ALCOHOL - Provided is an alicyclic alcohol compound which can be used as a raw material for a compound perfume, and which has excellent floral-green-like aromas which are crisp and fresh; also provided are a manufacturing method for the same, and a perfume composition which contains the alicyclic alcohol compound. An alicyclic alcohol compound having a specified structure represented by chemical formula (1) has excellent floral-green-like aromas which are crisp and fresh; and a method for manufacturing the alicyclic alcohol compound represented by chemical formula (1) by reacting, in the presence of hydrogen fluoride, 1-isopropyl-4-methylcyclohexene and carbon monoxide, reacting the resulting 4-isopropyl-1-methylcyclohexane carboxylic acid fluoride with alcohol, and, after having acquired a cyclohexane carbonyl compound, reducing the cyclohexane carbonyl compound. | 12-19-2013 |
568833000 | Cyclohexane polyol (e.g., inositol, etc.) | 2 |
20110201848 | HIGH PURITY 1,6-HEXANEDIOL AND PROCESS FOR PREPARING THE SAME - There is provided a process for preparing 1,6-hexanediol by esterifying a carboxylic acid mixture resulted from oxidation of cyclohexane with oxygen, and then hydrogenating the esters, which substantially does not contain a compound leading to a high ester value. | 08-18-2011 |
20120116130 | Methods of Synthesis of Scyllitol and Related Compounds - Methods of synthesis of scyllitol diborate and related compounds are provided, including methods that are performed in all-aqueous solutions. Also provided are methods in which the reaction products are recycled to increase the efficiency of the process. The methods include the steps of conversion of a solution of inositol to scyllitol, conversion of scyllitol in the solution to scyllitol diborate, and isolation of the scyllitol diborate from the solution. The scyllitol diborate is reacted to form substantially pure scyllitol diborate, and the remaining solution is efficiently recycled to scyllitol diborate, then to additional substantially pure scyllitol. This scyllitol diborate recycling step can be applied to a variety of processes to improve the yield of scyllitol. The methods are highly efficient and result in large scale reaction products of high purity. | 05-10-2012 |
568835000 | Cyclohexanol per se | 2 |
20080221370 | Process for Preparing Polyisobutyl-Substituted Cyclohexanols - The present invention relates to a process for preparing polyisobutyl-substituted cyclo-hexanols by hydrogenating polyisobutyl-substituted hydroxybenzenes. The invention further relates to the polyisobutyl-substituted cyclohexanols obtainable by this process and functionalization products thereof, and to their use for the surface modification of inorganic or organic material. | 09-11-2008 |
20150080614 | PROCESS FOR THE PREPARATION OF NANOCRYSTALLINE PT-CE OXIDE CATALYST FOR THE SELECTIVE HYDROGENATION OF PHENOL AND ITS DERIVATIVES - The present invention provides a process and catalyst for the conversion of phenol and its derivatives to cyclohexane and cyclohexanol. The process provides a direct single step for selective hydrogenation of phenol and its derivatives over Pt—Ce oxide catalyst. The process provides a phenol conversion of 50 to 100% and selectivity of hydrogenated product up to 98%. | 03-19-2015 |