| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 01/26/2005 | CN1569788A Process for continuous hydrolysis synthesis of guaiacol |
| 01/26/2005 | CN1569787A Process for preparing hydrofluoroethers |
| 01/25/2005 | US6846946 Process for making organic products and improving the quality of non-product streams using phase transfer catalysis |
| 01/20/2005 | WO2005005360A1 Preparation of an alkoxylate composition |
| 01/20/2005 | WO2005004816A2 Color stabilization of hydroquinone hydroxyethyl ether products |
| 01/20/2005 | US20050014979 Preparation of an alkoxylate composition using a double metal cyanide catalyst |
| 01/20/2005 | US20050014721 reacting oxabenzonorbornadiene with nucleophiles;in presence of rhodium complex catalyst forming 2-pyrrolidin-1-ol-1,2-dihydronaphthalen-1-ol; drug used as analgesics, Parkinson's disease, anticancer agents; aids |
| 01/19/2005 | EP1498406A1 Novel hydronaphthalene compounds, prepared by a rhodium catalysed ring opening reaction in the presence of phosphine ligand |
| 01/19/2005 | EP1498405A1 Liquid vegetable unsaturated alcohol and process for producing the same |
| 01/19/2005 | EP1294657B1 Catalysis using phosphine oxide and sulfoxide compounds |
| 01/19/2005 | CN1566055A Optically pure bi-substituted binaphthalene phenol and synthetic method thereof |
| 01/18/2005 | US6844471 Treating an isomeric mixture of (Z and E)-1-(3,5-disubstituted phenyl)-2-(4- substituted phenyl) ethene with a halogen as catalyst, in organic solvent, quenching in water, reducing the halogen using reducing agent |
| 01/13/2005 | WO2005003211A1 Process for production of bifunctional phenylene ether oligomers |
| 01/13/2005 | WO2005003069A2 Process for the alkoxylation of monools in the presence of metallo-organic framework materials |
| 01/13/2005 | US20050010068 Use of microencapsulated transition metal reagents for reactions in supercritical fluids |
| 01/13/2005 | US20050008781 Using organoic metallic compound of titanium, zirconium, hafnium, or lanthanum |
| 01/13/2005 | CA2531162A1 Process for the alkoxylation of monools in the presence of metallo-organic framework materials |
| 01/12/2005 | EP1494983A1 Oligomerization of olefins |
| 01/12/2005 | CN1564795A Method for producing 1-olefins using palladium-carbene compounds |
| 01/12/2005 | CN1562929A 2-benzyloxy-1-bromine-4-(1, 1-dimethyl octyl) benzene, synthetic method and usage |
| 01/12/2005 | CN1562928A 1-benzyloxy-3-(1.1 dimethyl-octane group) benzene as well as synthetic method and usage |
| 01/12/2005 | CN1562927A Method for producing dimethyl ether from methanol |
| 01/11/2005 | US6841667 Nucleophilic kinetic resolution of cyclic substrates using silyl azides |
| 01/11/2005 | US6841499 Homogeneous rhodium complexes bearing phosphines |
| 01/11/2005 | CA2106184C Process for purifying polyols made with double metal cyanide catalysts |
| 01/06/2005 | WO2005001432A2 Optical fluids, and systems and methods of making and using the same |
| 01/06/2005 | WO2005000776A2 Method and apparatus for production of alkyl aryl ether and diaryl carbonate |
| 01/06/2005 | US20050004404 Forming alkoxylated alcohol in presence of organometallic complex catalyst |
| 01/06/2005 | US20050004379 Chemical intermediates for drugs; neurological disorders; psychological disorders |
| 01/06/2005 | US20050004378 woody or amber odor; hydrogentation, reduction; cosmetic and care products |
| 01/06/2005 | US20050004082 Ether compounds |
| 01/05/2005 | EP1493744A1 Tropane analogs and methods for inhibition of monoamine transport |
| 01/05/2005 | EP1492745A2 Process for making organic products or non-product streams using phase transfer catalysis |
| 01/05/2005 | EP1411909B1 Pharmaceutical composition comprising (-)-secoisolariciresinol |
| 01/05/2005 | EP1124619B1 Process for purifying solid chemical products by dry-sweating |
| 01/05/2005 | EP0996619B1 Tropane analogs and methods for inhibition of monoamine transport |
| 01/05/2005 | CN1560008A Process for separating ethandiol, mono methyl ether, isopropyl alcohol and water combined by extracting and axeotropy |
| 01/05/2005 | CN1560007A Process of producing dimethyl ether liquefied gas by methanol |
| 01/05/2005 | CN1183181C Treatment of polyethers prior to hydrosilylation |
| 01/05/2005 | CN1183075C Benzene derivative and its prepn. method |
| 01/05/2005 | CN1183065C Process for synthesis of chemical industrial feedstock and high-octane fuel, and high-octane fuel composition |
| 12/30/2004 | US20040267074 Zone reactor |
| 12/30/2004 | US20040266974 Method and apparatus for production of alkyl aryl ether and diaryl carbonate |
| 12/30/2004 | DE10326403A1 Verfahren zur destillativen Trennung eines Vinylether und Alkohol enthaltenden Gemischs Process for the separation by distillation of a vinyl ether and alcohol mixture containing |
| 12/29/2004 | EP1491521A1 Method for producing ditrimethylolpropane |
| 12/29/2004 | EP1490390A2 C-17 spirolactonization and 6,7 oxidation of steroids |
| 12/29/2004 | EP1358140B1 Method for producing 1-octen |
| 12/29/2004 | EP1171419B1 Biphenyl derivatives as antagonists of the neurokinine-1 receptor |
| 12/29/2004 | EP1171212B1 Solvent extraction process |
| 12/29/2004 | CN1182095C Process for production of ether on catalytic distillation tower |
| 12/29/2004 | CN1182088C Medium oil for slurry process and process for producing dimethyl ether |
| 12/28/2004 | US6835857 Reacting 4-phenylbutanol with 1,6-dibromohexane in the presence of a base and a phase transfer catalyst; prepared for producing salmeterol |
| 12/28/2004 | US6835856 Process for preparing fluorohalogenethers |
| 12/28/2004 | US6835802 Methods of synthesizing substantially monodispersed mixtures of polymers having polyethylene glycol moieties |
| 12/28/2004 | CA2126072C Tri-substituted phenyl derivatives and processes for their preparation |
| 12/23/2004 | WO2004110970A1 Method for the distillative separation of a mixture containing vinyl ether and alcohol |
| 12/23/2004 | WO2004096741A3 Continuous method for producing methyl vinyl ether |
| 12/23/2004 | WO2004094355A3 Selective dimethylether recovery and recycle in a methanol-to-olefin process |
| 12/23/2004 | US20040259724 Carbonylation of pentenenitrile to 5-cyanovaleric acid; reduction to 6-aminocaporic acid; cyclization to caprolactam |
| 12/23/2004 | US20040256288 Fischer tropsch composition and process |
| 12/23/2004 | DE10324192A1 Verfahren zur Herstellung von alkoxylierten 2,5-Dihydrofuran-oder tetra-1,1,4,4-alkoxylierten But-2-enderivaten A process for the production of alkoxylated 2,5-dihydrofuran-or tetra-1,1,4,4-but-2-alkoxylated enderivaten |
| 12/23/2004 | CA2528359A1 Treatment of cancer with active vitamin d compounds in combination with radiotherapeutic agents and treatments |
| 12/22/2004 | EP1487859A2 Process to prepare eplerenone |
| 12/22/2004 | EP1487770A1 Formation of neolignan by ddq mediated dimerisation of dihydroasarone |
| 12/22/2004 | EP1487574A2 Method of preparing metal cyanide catalysts using insoluble metal salts |
| 12/22/2004 | EP1224157B1 Method for production of aryl alkyl ethers |
| 12/22/2004 | CN1181028C Separation method for dimethyl ether product in dimethyl ether synthesizing production |
| 12/16/2004 | WO2004108644A1 Method for producing fluorine-containing alkyl ether |
| 12/16/2004 | WO2004052939A3 Ligands for metals and improved metal-catalyzed processes based thereon |
| 12/16/2004 | US20040254405 Method for producing ditrimethylolpropane |
| 12/16/2004 | US20040254404 Deprotonating a polyol (glycerol) with a base to form a reaction product; continuously removing water to form a second reaction product; reacting an alk(en)yl (ether) sulfate with the second reaction product to form a third product that has a sulfate salt which is then precipitated |
| 12/16/2004 | US20040254403 By reacting oily oxidized coenzyme Q10 with a reducing agent (iron, zinc or dithionous acid) in water; useful as an ingredient in foods, nutritional supplements, nutrients, drinks, feeds, cosmetics, medicines, remedies, preventive drugs; industrial scale |
| 12/16/2004 | US20040254066 Dissolving or dispersion forming emulsion; transition metal catalyst encapsulated within a permeable polymer; catalyst for foirming polyol from olefin |
| 12/16/2004 | DE102004014165A1 Continuous single-stage production of Polyols from polyurethane waste, involves mixing polyurethane foams with glycols or Oligo ester mixture and aliphatic amines in mixing reactor having zones under continuous capacity for reaction |
| 12/15/2004 | EP1485338A1 Alkoxy-substituted indanes and the production thereof |
| 12/15/2004 | CN1555426A Method for producing orthocarboxylic acid trialkyl esters |
| 12/15/2004 | CN1554633A Process of synthetic ammonia coproducing dimethyl ether |
| 12/15/2004 | CN1554632A Synthetic method for propylend glycol dimethyl ether |
| 12/15/2004 | CN1179936C Preparation method for cyclopropane esters |
| 12/15/2004 | CN1179932C Catalytic hydration and etherification process of olefine |
| 12/14/2004 | US6831105 For therapy and prophylaxis of cardiovascular diseases, dyslipidemias, dysproteinemias, and glucose metabolism disorders |
| 12/09/2004 | WO2004106316A1 Method for producing alkoxylated 2,5-dihydrofuran or tetra-1,1,4,4-alkoxylated but-2-ene derivatives |
| 12/09/2004 | WO2004106274A1 Separation of a diacetal of glyoxal by means of counter-current liquid-liquid extraction |
| 12/09/2004 | WO2004105929A2 Phase transfer catalysis scrubber |
| 12/09/2004 | WO2004092106A3 Process for preparing alkoxy- and aryloxy-phenols |
| 12/09/2004 | WO2003048090A8 The use of microencapsulated transition metal reagents for reactions in supercritical fluids |
| 12/09/2004 | US20040249220 Process for producing optically active 2-alkoxy-1-(trifluoromethyl-substituted phenyl) ethanol derivatives |
| 12/09/2004 | US20040245505 Process for the production of fluorinated organic compounds and fluorinating agents |
| 12/09/2004 | US20040245115 Method for producing orthocarboxylic acid trialkyl esters |
| 12/09/2004 | DE102004019558A1 Fluorination process, e.g. for preparing difluoromethylene bridged compounds, is performed in steel-walled reactor in presence of sacrificial material containing silicon dioxide to reduce reactor corrosion |
| 12/08/2004 | EP1483226A1 Improved method for the production of 4-(6-bromohexyloxy) butylbenzene |
| 12/08/2004 | CN1553985A Method of controlling asphaltene precipitation in a fluid |
| 12/08/2004 | CN1553887A A method for isolating phenolic substances or juvabiones from wood comprising knotwood |
| 12/08/2004 | CN1552685A Environmental protection cleaning process method for producing high-purity orthoformate |
| 12/08/2004 | CN1552683A Hydrocarbon compound, preparing method and use thereof |
| 12/08/2004 | CN1552523A Preparation for acetal solid catalyst and use thereof |
| 12/07/2004 | US6828466 Reacting arene with borane; oxidation, hydrogenation phenylboronic acid |
| 12/07/2004 | US6827876 Using alpha, alpha -difluorocyclohexylidene derivative as starting material to obtain difluoromethyl ether derivative |
| 12/07/2004 | CA2090935C Preparation of isoflurane |
| 12/02/2004 | US20040242949 Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein |