Class / Patent application number | Description | Number of patent applications / Date published |
549529000 | Organic hydroperoxide reactant | 11 |
20090137827 | SILICON-TITANIUM MIXED OXIDE-CONTAINING DISPERSION FOR THE PRODUCTION OF TITANIUM-CONTAINING ZEOLITES - Dispersion containing pyrogenic silicon-titanium mixed oxide powders with a silicon dioxide content of 75 to 99.99 wt.-% and a titanium dioxide content of 0.01 to 25 wt. %, water and a basic, quaternary ammonium compound, wherein the mean aggregate diameter of the particles of the silicon-titanium mixed oxide powder in the dispersion is 200 nm at most. Process for the production of a titanium-containing zeolite with the use of the dispersion. | 05-28-2009 |
20090209771 | METHOD FOR PRODUCING PROPYLENE OXIDE - A method for continuously producing propylene oxide, which comprises supplying an organic peroxide and propylene to an epoxidation reactor in which a solid catalyst for epoxidation is packed, thereby subjecting them to an epoxidation reaction, the method having a propylene pre-treatment step described below: | 08-20-2009 |
20100048925 | METHOD FOR PRODUCING PROPYLENE OXIDE - A method for producing propylene oxide in which the concentration of an organic peroxide in a reaction solution after an epoxidation step is from 20 to 5,000 ppm by weight based on the amount excluding propylene in the reaction solution, the method comprising an epoxidation step of reacting an organic peroxide with propylene in the presence of a catalyst to obtain propylene oxide and an alcohol, a propylene recovery step of recovering the unreacted propylene in the epoxidation step and recycling the resulting propylene as a raw material of the epoxidation step, and a propylene oxide purification step of distilling the propylene oxide obtained in the epoxidation step to obtain purified propylene oxide. | 02-25-2010 |
20100145081 | PROCESS FOR PRODUCING PROPYLENE OXIDE - A process for producing propylene oxide, which comprises supplying an organic peroxide and propylene to an epoxidation reactor in which a solid catalyst is packed thereby continuously producing propylene oxide through epoxidation reaction, wherein said process comprises cooling at least a part of the propylene before supplying to separate and remove water contained in the propylene, and supplying the propylene in which water has been separated and removed to the epoxidation reactor. | 06-10-2010 |
20110028745 | PROCESS FOR THE PREPARATION OF ALKYLENE OXIDE - A process for the preparation of alkylene oxide, which process involves mixing fresh feed containing organic hydroperoxide and alkene with a recycle stream to obtain a reaction mixture containing of from 5 to 80% wt of alcohol, based on total amount of reaction mixture, | 02-03-2011 |
20120077996 | Purification of propylene oxide - The invention is a method of purifying propylene oxide containing acetone, water, methanol, methyl formate, aldehydes, and hydrocarbons impurities. The method comprises contacting the propylene oxide with a glycol and a C | 03-29-2012 |
20120136165 | PROCESS - The present invention provides a continuous process for the epoxidation of an olefinic compound with an oxidant, which process comprises reaction of an olefinic compound with an oxidant in the presence of a catalyst in an apparatus that comprises
| 05-31-2012 |
20120253055 | PROCESS FOR PREPARING DIVINYLARENE DIOXIDES - A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene; (b) at least one peroxycarboximidic acid; (c) at least one solvent; and (d) at least one basic compound, under conditions to form a reaction mixture containing a divinylarene dioxide product; and then separating the divinylarene dioxide product from the other reaction mixture components to obtain a purified divinylarene dioxide product. | 10-04-2012 |
20130116454 | EPOXIDATION PROCESS - The present invention relates to an epoxidation process for the preparation of alkylene oxide comprising contacting a hydroperoxide with an olefin in the presence of a catalyst, wherein the catalyst is a titanium containing catalyst obtainable by a method comprising the steps of (a) making a support by a method comprising reacting a silicate with water in the presence of a surfactant selected from block copolymers based on ethylene oxide (EO) and propylene oxide (PO), and calcining the obtained re-action product; and (b) impregnating the support of step (a) with a titanium containing agent. | 05-09-2013 |
20140309441 | PROCESS AND SYSTEM FOR PRODUCING AN OXIRANE - Embodiments of the present disclosure provide processes and systems for the epoxidation of an olefin using a fixed bed reactor. The fixed bed reactor is maintained at a temperature from 0 to 40 degrees Celsius. The processes and systems regulate a superficial liquid velocity of a non-homogeneous reaction mixture and recycled portion of effluent of the fixed bed reactor. | 10-16-2014 |
20180022720 | METHOD FOR FABRICATING TITANIUM-CONTAINING SILICON OXIDE MATERIAL AND APPLICATION OF THE SAME | 01-25-2018 |