Organic compounds -- part of the class 532-570 series inventions 12/06

20060293528 - Method of purifying dianhydrides: A method for purifying oxybisphthalic anhydrides is provided. A first mixture comprising at least one oxybisphthalic anhydride, at least one solvent, and at least one inorganic salt is diluted with a solvent such that the concentration of oxybisphthalic anhydride is less than 25 weight percent. This second mixture is then... Agent: General Electric Company Global Research

20060293529 - Process for the manufacture of tocyl and tocopheryl acylates: A process for the manufacture of a tocyl acylate or a tocopheryl acylate comprises reacting tocol or a tocopherol with an acylating agent in the presence of a solid heterogeneous Brönsted acid catalyst, said catalyst being an inorganic Brönsted acid on a solid carrier material which comprises silicon dioxide, titanium... Agent: Stephen M Harachz Bryan Cave

20060293530 - Process for the manufacture of citalopram hydrobromide: The present invention describes an improved process for the preparation of pure 1-(4′-Fluorophenyl)-1-(3-dimethylaminopropyl)-5-phthalanecarbonitrile and its bromide salt (citalopram hydrobromide), which is a well known antidepressant. Another aspect of the invention is isolation of crystalline (4-Bromo-2-hydroxymethyl)phenyl-(4-fluorophenyl)-3-(dimethylaminopropyl)methanol (Bromodiol) and conversion of desmethylcitalopram which is formed during the cyanide exchange reaction, to citalopram... Agent: Iplm Group, P.A.

20060293531 - Method for producing propyleneoxide: A process for producing propylene oxide, which comprises the following steps: oxidation step: a step of obtaining cumene hydroperoxide by oxidizing cumene; epoxidation step: a step of obtaining propylene oxide and cumyl alcohol by reacting cumene hydroperoxide obtained in the oxidation step with propylene; and converting step: a step of... Agent: Sughrue Mion, PLLC

20060287541 - Method for producing nitrile compound, carboxylic acid compound or carboxylate compound: P

20060281929 - Method of manufacturing alkylene carbonate: A process for producing an alkylene carbonate, which comprises reacting an alkylene oxide with carbon dioxide in the presence of a catalyst in a reactor to obtain a reaction mixture containing an alkylene carbonate, the reactor communicating with a process-side channel of a heat exchanger through a piping to form... Agent: Staas & Halsey LLP

20060281930 - Process for preparing unsaturated, cyclic orthoesters: An unsaturated, cyclic orthoester is prepared by reacting an unsaturated carboxylic acid with glycidol, thereby obtaining a reaction mixture; and adding an orthoester to the reaction mixture, thereby obtaining said unsaturated, cyclic orthoester.... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060281931 - Alkoxylated, cross-linked polyglycerols and use thereof as biodegradable demulsifier: The invention relates to the use of alkoxylated crosslinked polyglycerols for demulsifying oil/water emulsions in amounts of from 0.0001 to 5% by weight, based on the oil content of the emulsion to be demulsified. The alkoxylated crosslinked polyglycerols of the invention is crosslinked with multifunctional electrophilic compounds having a molecular... Agent: Clariant Corporation Intellectual Property Department

20060281932 - Processes for the preparation of docetaxel: The present invention provides processes for the production of docetaxel. Docetaxel is produced by protecting the C(7) and the C(10) hydroxy groups of 10-DAB with a bridging silicon-based protecting group. The resulting 7,10-protected 10-DAB derivative is then derivatized and deprotected to form docetaxel.... Agent: Senniger Powers

20060281933 - Processes for the preparation of paclitaxel: The present invention provides processes for the production of paclitaxel. Paclitaxel is produced by protecting the C(7) and the C(10) hydroxy groups of 10-DAB with a bridging silicon-based protecting group. The resulting 7,10-protected 10-DAB derivative is then derivatized and deprotected to form paclitaxel.... Agent: Senniger Powers

20060281934 - Processes for the production of polycyclic fused ring compounds: The present invention provides processes for the production of polycyclic fused ring compounds. The polycyclic fused ring compounds are produced by protecting a polycyclic fused ring polyol with a bridging silicon-based protecting group and attaching a suitable side chain. Novel polycyclic fused ring compounds and intermediate compounds are also described.... Agent: Senniger Powers

20060281935 - Process for producing propylene oxide: A process for producing propylene oxide, which comprises the following steps: oxidation step: a step of obtaining cumene hydroperoxide by oxidizing cumene; epoxidation step: a step of obtaining propylene oxide and cumyl alcohol by reacting cumene hydroperoxide obtained in the oxidation step with propylene in the presence of an epoxidation... Agent: Sughrue Mion, PLLC

20060276660 - Process for the purification of duloxetine hydrochloride: Process for the purification of duloxetine HCl is provided....

20060276661 - Three-layered or four-layered catalyst systems for producing phthalic anhydride: Catalyst systems for preparing phthalic anhydride by means of gas-phase oxidation of o-xylene and/or naphthalene, and a process for preparing phthalic anhydride using the catalyst systems....

20060276662 - Method for producing an alkene oxide: Process for preparing an alkene oxide, which comprises at least the steps (i), (ii) and (v): (i) providing a stream S1 comprising compressed, liquid alkene; (ii) depressurizing at least part of the stream S1 with absorption of heat and with at least partial vaporization of the liquid alkene; (v) reacting...

20060276663 - Direct epoxidation process: The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst comprising a noble metal and a titanium or vanadium zeolite in a solvent mixture comprising water, methanol, and a C3-C6 aliphatic ketone. This process surprisingly gives significantly reduced by-product glycol and...