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| Number | Title | Issue Date |
| 7601795 | Process for production of a carboxylic acid/diol mixture suitable for use in polyester production The present invention relates to a process by which a carboxylic acid/diol mixture is obtained from a slurry or cake carboxylic acid product without isolation of a substantially dry carboxylic acid solid. More specifically, the present invention relates to a process... | 10/13/2009 |
| 7598424 | Process for production of bisphenol A An object of present invention is to provide a process of producing bisphenol A, and more particularly a process of producing bisphenol A having high purity and an excellent hue. In the present invention, in a crystallization step to form the slurry containin... | 10/06/2009 |
| 7557252 | Process for producing dihydroxybenzene and diisopropylbenzendicarbinol A process for simultaneously producing a dihydroxybenzene and a diisopropylbenzene dicarbinol, which contains subjecting a diisopropylbenzene with an oxygen containing gas to obtain an oxidation reaction mixture containing a diisopropylbenzene dihydroperoxide and a ... | 07/07/2009 |
| 7544845 | Process for treating phenol The present invention relates to a continuous method for treating a crude phenol stream comprising methylbenzofuran and hydroxyacetone by passing the crude phenol stream through at least two reactors connected in series the reactors containing an acidic ion exchange... | 06/09/2009 |
| 7531689 | Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives Hexafluoroisobutylene and its higher homologs are easily reacted with SO3 to give fluorosulfates of the formula CH2═C(R)CF2OSO2F, wherein R is a linear branched or cyclic fluoroalkyl group comprised of 1 to 10 carbon ato... | 05/12/2009 |
| 7488853 | Process for producing phenols A process for producing a phenol, which comprises the following steps of: (1) oxidizing an alkylbenzene with an oxygen-containing gas to obtain an oxidation reaction mixture containing a hydroperoxide; (2) subjecti... | 02/10/2009 |
| 7465841 | Method and device for purifying 1,4-bis (bromodifluoromethyl) benzene A method and a device for purifying 1,4-bis(bromodifluoromethyl)benzene are disclosed. In order to solve the problem of hard to purify and separate 1,4-bis(bromodifluoromethyl)benzene crude products, diphenylmethane that has a higher boiling point and does not inter... | 12/16/2008 |
| 7465836 | Hydrolytically-resistant boron-containing therapeutics and methods of use Compositions and methods of use of borole derivatives, including benzoxaboroles, benzazaboroles and benzthiaboroles, as therapeutic agents for treatment of diseases caused by bacteria or viruses are disclosed, as well as methods for synthesis of said agents and comp... | 12/16/2008 |
| 7435850 | Naphthalene compounds A compound selected from those of formula (I): Medicinal products containing the same which are useful in the treatment of disorders of the melatoninergic system. ... | 10/14/2008 |
| 7432396 | Process for producing (Z)-1-phenyl-1-diethylaminocarbonyl-2-hydroxymethylcyclopropane The present invention provides a process for producing (Z)-1-phenyl-1-diethylaminocarbonyl-2-hydroxymethylcyclopropane, which comprises reacting 2-oxo-1-phenyl-3-oxabicyclo[3.1.0]hexane with diethylamine in the presence of alkali metal alkoxide. ... | 10/07/2008 |
| 7427694 | Process for the preparation of high-purity bisphenol A A process for the preparation of high purity bisphenol A is disclosed. The multi-step process entails a process whereby bisphenol A of a purity of preferably at least 99.8% can be obtained. ... | 09/23/2008 |
| 7420091 | Process for the preparation of tolterodine A novel process for the preparation of tolterodine, i.e. (R)—N, N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenylpropanamine, in the racemic form, as well as intermediates useful for its preparation. ... | 09/02/2008 |
| 7405326 | Aromatic amine derivatives and electroluminescence device using the same An aromatic amine derivative with a specific structure and an organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, where... | 07/29/2008 |
| 7396964 | Enantiomerically enriched 2-butanol The present invention relates to a process for preparing enantiomerically enriched 2-butanol and to its use. ... | 07/08/2008 |
| 7388115 | Manufacture of polytrimethylene ether glycol The present invention relates to a process of manufacture of polytrimethylene ether glycol, in which one or more inorganic compounds selected from alkali metal carbonates are utilized during certain purification steps to reduce phase separation time. ... | 06/17/2008 |
| 7385069 | Method for producing isocyanate-organosilanes Isocyanatosilanes are prepared by themolyzing carbamatosilanes in a fluidized bed reactor containing fluidized solid particles. The process substantially avoids the deposition of solid reaction by products in the reactor. ... | 06/10/2008 |
| 7385091 | Process for producing fluorine-containing diol and its derivatives A process for producing a fluorine-containing diol represented by the formula [2], includes reducing a hydroxy ketone represented by the formula [1], by hydrogen in the presence o... | 06/10/2008 |
| 7371901 | Process for the preparation of alkynols Process for the preparation of an alkynol with formula HC≡C—CH(OH)—R2(formula 2) wherein R2 represents methyl, halomethyl or ethyl, wherein the corresponding silyl-protected alkynol ester with formula 1 | 05/13/2008 |
| 7368613 | Sandal fragrances A compound of formula (Ia) or (Ib), wherein in each of formulae (Ia) and (Ib) R1 and R2, independently of one another, are H or CH3, and the use thereof as a sandalwood fragrance. ... | 05/06/2008 |
| 7361788 | Direct alkylation of N-alkyl-N′-phenyl-p-phenylenediamine A single-step process is disclosed for the ring alkylation of at least one N-alkyl-N′-phenyl-phenylenediamine with at least one olefin wherein the process comprises heating a mixture of the N-alkyl-N′-phenyl-phenylenediamine(s) and olefin(s) in the presence of a... | 04/22/2008 |
| 7358404 | Process for producing alcohol It is an object of the present invention to obtain a highly pure alcohol by reducing the aldehyde concentration in the product alcohol efficiently and inexpensively. The invention relates to a process for producing an alcohol including hydrogenating an aldehy... | 04/15/2008 |
| 7355082 | Method of purifying long-chain alkyl phenols and Mannich adducts thereof A process for purifying a phenol derivative selected from alkylphenols having a number average molecular weight of from 200 to 4 000 and Mannich adducts thereof is described, in which the phenol derivative is brought into intimate contact with an extracting agent ha... | 04/08/2008 |
| 7351864 | Process for preparation of Mannich condensation products useful as sequestering agents The present invention is directed to a process for preparing Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. ... | 04/01/2008 |
| 7339074 | Multistage continuous preparation of cycloaliphatic diisocyanates The invention relates to a multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates. ... | 03/04/2008 |
| 7335793 | Process for the preparation of tolterodine A novel process prepares tolterodine, i.e. (R)-N,N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenylpropanamine, in the racemic form, as well as intermediates useful for its preparation. Tolterodine free base may be prepared by reacting diisopropyl-(3-phenyl-3-p-tol... | 02/26/2008 |
| 7329785 | Process for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal in the presence of a hydration co-catalyst A process for preparing 1,3-propanediol comprising the steps of: (a) preparing an aqueous mixture of 3-hydroxypropanal, (b) passing said aqueous 3-hydroxypropanal mixture to a hydrogenation zone wherein the hydrogenation zone is comprised of at least two stages wher... | 02/12/2008 |
| 7329776 | Multistage continuous preparation of cycloaliphatic diisocyanates A multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates. ... | 02/12/2008 |
| 7323597 | Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile A process for preparing xylylenediamine by continuously hydrogenating liquid phthalonitrile over a heterogeneous catalyst in the presence of liquid ammonia in a reactor, in which a portion of the reactor effluent is recycled as a liquid circulation stream continuous... | 01/29/2008 |
| 7321054 | Method of producing poly(ortho-methylphenol) Poly(ortho-methylphenol) is obtainable at high purities and yields using industrial processes by causing a secondary amine and formaldehyde to react with a polyphenol (first step), and then breaking down the aminomethyl group of the obtained poly(ortho-aminomethyl)p... | 01/22/2008 |
| 7312365 | Process for low temperature cleavage of an oxidation mixture comprising hydroperoxides A process for cleaving an oxidation product comprising s-butyl benzene hydroperoxide and/or cumene hydroperoxide which reduces the production of non-recoverable by-products from dimethylbenzyl alcohol (DMBA) and ethyl methyl benzyl carbinol (EMBA). ... | 12/25/2007 |
| 7312347 | Substituted optically active disphosphine compound Provided is a method for producing an optically active compound, in more detail, for producing an optically active compound by asymmetric hydrogenation in a high yield and asymmetric yield. The present invention also provides a catalyst for asymmetric synthesis for ... | 12/25/2007 |
| 7307186 | Multistage continuous preparation of cycloaliphatic diisocyanates A process for continuous phosgene-free preparation of cycloaliphatic diisocyanates. ... | 12/11/2007 |
| 7301059 | Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives Hexafluoroisobutylene and its higher homologs are easily reacted with SO3 to give fluorosulfates of the formula CH2═C(R)CF2OSO2F, wherein R is a linear branched or cyclic fluoroalkyl group comprised of 1 to 10 carbon ato... | 11/27/2007 |
| 7301056 | Process for the separation of phenol from phenol-containing streams from the preparation of Bisphenol A A continuous process for the separation of phenol is disclosed. The process includes (a) feeding a stream of material, produced while preparing bisphenol A by reacting phenol with acetone, into a distillation column containing at least 5 theoretical separation stage... | 11/27/2007 |
| 7294731 | Perfluoropolyether silanes and use thereof The present invention provides novel perfluoropolyether silanes, compositions containing the novel perfluoropolyether silanes and method of treating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil, stai... | 11/13/2007 |
| 7291729 | Process for preparing 3-aryloxy-phenylacetic acid compounds The present invention provides a process for the preparation of phenylacetic acid compounds 2 where R2 is an optionally substituted aryl, R6 is NO2, NH2, alkyl, halogen, or a function group readily derived there from and R... | 11/06/2007 |
| 7285687 | Cannabinoids Compounds of the formula: wherein R, R1 and R4 are defined in the specification, and pharmaceutically acceptable salts, esters and tautomers thereof, having activity at peripheral cannabinoid receptors, commonly designated the CB2 receptor class. The compounds are u... | 10/23/2007 |
| 7285688 | Proton type β zeolite, preparation method thereof and process for preparing phenol compound using the same Disclosed are a proton type β zeolite in which an acid site showing a desorption peak with a range of ±100° C. with a center of 330° C. exists in a spectrum measured by the ammonia temperature programmed desorption method (NH3-TPD), and an amount of a... | 10/23/2007 |
| 7285689 | Phenol process A process is provided for the production of phenol from chlorobenzene. The process comprises a chemical reaction in which chlorobenzene is reacted with an alcohol in the vapor phase to form phenol and the corresponding alkyl chloride. A catalyst is used to promote t... | 10/23/2007 |
| 7279601 | Optically active α-aminooxyketone derivatives and process for production thereof The corresponding α-aminooxy ketone is manufactured with a high yield and a high enantioselectivity. A manufacturing method for an optically active α-aminooxy ketone derivative expressed by formula (1), wherein a ketone expressed by formula (2) is caused to react ... | 10/09/2007 |
