| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 06/10/2004 | WO2004048304A1 Polyglycerols, polyglycerol/fatty acid ester, and processes for producing these |
| 06/10/2004 | WO2004048303A1 Purification of methyl tertiary butyl ether |
| 06/10/2004 | US20040110968 Processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers |
| 06/10/2004 | CA2511762A1 Improved process for the preparation of 1,3-substituted indenes |
| 06/09/2004 | EP1165467B1 Impurities separation by distillation |
| 06/09/2004 | CN1152848C Process for synthesizing dimethyl ether in three-phase slurry bed |
| 06/08/2004 | US6747182 Using zeolite selectively deluminated to remove nonframework aluminum; making alkyl naphthalenes for example |
| 06/08/2004 | US6747176 Preparation of 2-chloro-1,1,1-trialkoxyethane |
| 06/08/2004 | US6747174 Processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers |
| 06/03/2004 | WO2004046073A1 Method for the production of ethers |
| 06/03/2004 | US20040106832 Process and manufacturing equipment for preparing acetals and ketals |
| 06/03/2004 | DE10253752A1 Verfahren zur Herstellung von Ethern A process for the preparation of ethers |
| 06/02/2004 | EP1137738B1 Process for the recovery of low molecular weight phenols, furfural, furfuryl alcohol and/or cellulose or cellulose-rich residues |
| 06/02/2004 | CN1501903A Stable solution of reduced coenzyme q |
| 06/02/2004 | CN1500546A Apparatus and process for generating mixed multi-component vapor |
| 06/02/2004 | CN1152006C Biphenyl derivatives |
| 06/02/2004 | CN1152001C Catalysing and etherifying method for light hydrocarbon containing isomeric olefine |
| 06/01/2004 | US6743916 Reacting an acetylene compound in the presence of a titanium compound and grignard reagent to obtain organotitanium compound |
| 05/27/2004 | WO2004011523A3 Novel phase change solvents |
| 05/27/2004 | US20040102656 Purification of methyl tertiary butyl ether |
| 05/26/2004 | EP1421050A1 Process to bromomethylate aromatic compounds |
| 05/26/2004 | EP1421049A1 Process of removing contaminants from an olefin stream using extractive distillation |
| 05/26/2004 | EP1214278B1 Regeneration of onium fluoride-hf adducts |
| 05/26/2004 | CN1151110C Process for preparing bimethyl ether by catalytic dewatering of methanol |
| 05/25/2004 | US6740783 Process for preparing dimethyl ether from crude methanol |
| 05/25/2004 | US6740616 Catalytic epoxidation |
| 05/21/2004 | WO2003086605A3 Functionalized ionic liquids, and methods of use thereof |
| 05/20/2004 | US20040097773 Using a solid acidic ion exchange resin containing, for example, sulfonic acid groups, some of whose protons have been exchanged for metal ions. |
| 05/20/2004 | US20040097763 Process for producing 1-chloro-4-arylbutane |
| 05/20/2004 | US20040097760 Olefin streams are purified by converting ethers such as ethyl methyl ether to other oxygenates and optionally hydrogenating alkynes and/or alkadienes present to form olefins |
| 05/20/2004 | US20040097755 Ionic liquids and their use as solvents |
| 05/20/2004 | US20040097724 Organometallic building materials and method for producing the same |
| 05/19/2004 | CN1150151C Process for preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds |
| 05/19/2004 | CN1150143C Separation of CO2 from unsaturated fluorinated compounds by semipermeable membrane |
| 05/18/2004 | US6737553 Method for producing surfactant alcohols and surfactant alcohol ethers, the resulting products and their use |
| 05/18/2004 | US6737525 Electrophilic fluorination |
| 05/18/2004 | CA2294014C Process for the preparation of 1-(3,4-dimethoxyphenyl)ethanol |
| 05/18/2004 | CA2225746C 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity |
| 05/13/2004 | WO2003070666A3 Process for making organic products from non-product streams using phase transfer catalysis |
| 05/13/2004 | US20040092778 Recovery of C4 olefins from a product stream comprising C4 olefins, dimethyl ether and C5+ hydrocarbons |
| 05/13/2004 | US20040092777 Reacting allyl starting compound with oxygen nucleophilic agent in presence of transition metal catalyst and monodentate phosphite |
| 05/13/2004 | US20040092766 Process for the preparation of (r)-2-alkyl-3-phenyl-1-propanols |
| 05/13/2004 | US20040092610 Forming methanol, dimethyl ether using catalyst |
| 05/12/2004 | CN1496372A High polymer-supported arylbis(perfluoroalkylsulfonyl)-methane |
| 05/12/2004 | CN1495151A Preparation method of 1-alkoxy-2-methyl-1, 3-butadiene |
| 05/11/2004 | US6734327 Alkoxylation process using antimony catalyst |
| 05/06/2004 | WO2004037760A2 Process for producing optically active 2-alkoxy-1-(trifluoromethyl-substituted phenyl)ethanol derivatives |
| 05/06/2004 | US20040087817 Fluorinating (CF3)2CHOCH2Cl (which may be prepared by chlorinating the hexafluoroisopropyl methyl ether) with hydrogen fluoride in the presence of an amine |
| 05/06/2004 | US20040087676 Film formation method |
| 05/06/2004 | EP1415973A1 Method of stabilizing reduced coenzyme q10 and method of acidic crystallization |
| 05/06/2004 | EP1415972A1 Method of producing reduced coenzyme q10 |
| 05/06/2004 | EP1415971A1 Method of producing reduced coenzyme q10 as oily product |
| 05/06/2004 | EP1415970A1 Method of producing reduced coenzyme q10 crystals with excellent handling properties |
| 05/06/2004 | EP1415969A1 Method of producing reduced coenzyme q10 using solvent with high oxidation-protective effect |
| 05/06/2004 | EP1415968A1 Process for producing ether compound |
| 05/06/2004 | EP1414833A1 Novel transition-metal complexes and use thereof in transition-metal catalysed reactions |
| 05/06/2004 | EP1414566A1 Palladium catalysts |
| 05/05/2004 | CN2614079Y Strong acidity catalyst stuffing |
| 05/05/2004 | CN1494546A Organometallic building material and method for producing the same |
| 05/05/2004 | CN1494171A 膜形成方法 Film forming method |
| 05/05/2004 | CN1493552A Method of producing isobutene joint producing dimetylether and dipolyisobutene |
| 05/05/2004 | CN1148366C Formaldehyde acrolactic ester etherified glycerine acetal and its synthesis process |
| 05/04/2004 | US6730815 Etherification reaction of glycol with monohydric alcohol in presence of polyperfluorosulfonic acid resin catalyst |
| 04/29/2004 | US20040082548 Cardiovascular disorders; Alzheimer's disease; anticholesterol agents |
| 04/28/2004 | EP1411909A1 Pharmaceutical composition comprising (-)-secoisolariciresinol |
| 04/28/2004 | EP1107936B1 Copper-catalysed enantioselective allylic substitution reactions |
| 04/28/2004 | CN1491929A Diether used in preparing ziegler-Natta catalyst |
| 04/28/2004 | CN1491928A Catalyst for producing dimethyl ether and its producing method and method for producing dimethyl ether |
| 04/27/2004 | US6727392 Such as 4b(s)-benzyl-7(s)-hydroxy-7(s)-(3,3,3-trifluoropropyl)4,5,6,7,8,8a(r),9,10 -octahydro-phenanthrene-2-carboxylic acid (2-methyl-pyridin-3-ylmethyl)-amide via catalytic reduction; transcription factors |
| 04/22/2004 | WO2004033404A1 Method for producing alkoxylated products at optimized reaction pressures |
| 04/22/2004 | WO2004033403A1 Method for producing alkanol alkoxylates at optimal reaction temperatures |
| 04/22/2004 | WO2003097588A3 Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives |
| 04/22/2004 | WO2003082895A3 Process to prepare eplerenone |
| 04/22/2004 | US20040077889 Acid catalysts, cation exchangers |
| 04/22/2004 | US20040077872 Palladium salt without a ligand being used as palladium catalyst; cheap, simple and commercially attractive process involving an optionally substituted aromatic bromide |
| 04/21/2004 | EP1409131A2 Palladium-catalysed carbon-carbon bond forming reactions in compressed carbon dioxide |
| 04/21/2004 | EP1409125A1 Microencapsulated catalyst, methods of preparation and methods of use thereof |
| 04/21/2004 | EP1171406B1 Method of producing biaryls |
| 04/21/2004 | CN1491195A Method for producing 1-octen |
| 04/20/2004 | CA2319006C Synthesis method of chemical industrial raw materials and high-octane fuel, and high-octane fuel composition |
| 04/20/2004 | CA2296906C Process for the production of secondaryalkoxy-1-alkenes |
| 04/15/2004 | WO2003082894A3 C-17 spirolactonization and 6,7 oxidation of steroids |
| 04/15/2004 | US20040073070 Reacting bis/fluoromethyl/ ether with hexafluoroisopropanol; anesthetic |
| 04/15/2004 | US20040073069 Method for processing polyether alcohols |
| 04/15/2004 | US20040073041 Method for producing monocarbonyl compounds or biscarbonyl compounds or hydroxyl compounds |
| 04/15/2004 | US20040073032 Preparation of substituted aromatic compounds |
| 04/15/2004 | US20040072820 Naphthyl compounds, intermediates, compositions, and methods of use |
| 04/15/2004 | US20040072673 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide |
| 04/15/2004 | US20040072672 Perfluorinated ion-exchange polymers (pfiep) containing pendant sulfonic acid groups and/or pendant carboxylic acid groups entrapped within and highly dispersed throughout a metal oxide network; high surface area |
| 04/15/2004 | US20040072671 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide |
| 04/14/2004 | EP1408024A1 METHOD OF CRYSTALLIZING REDUCED COENZYME Q sb 10 /sb FROM AQUEOUS SOLUTION |
| 04/14/2004 | EP1406853A1 Process for the racemization of alcohols |
| 04/14/2004 | EP1406852A2 Method for telomerizing non-cyclic olefins |
| 04/14/2004 | EP1156994B1 Method of preparing alkoxylated non-ionic surface-active agents |
| 04/14/2004 | EP0980347B1 Separation of co 2? from unsaturated fluorinated compounds by semipermeable membrane |
| 04/14/2004 | CN1488616A Preparation for fluro-halogenated ether |
| 04/13/2004 | US6720463 Process for the production of alkanediol derivative |
| 04/13/2004 | US6720459 Continuous process for the preparation of polytrimethylene ether glycol |
| 04/13/2004 | US6720439 Synthesis of ruthenium-hydride complexes and preparation procedures of chiral alcohols and ketones |
| 04/08/2004 | WO2004029015A1 1,7,8-trifluoronaphthalene-2-naphthol, and method for producing liquid crystal compound using same |