| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 09/23/1999 | WO1999047474A1 Coupling reactions with palladium catalysts |
| 09/23/1999 | DE19812245A1 Neue Terpenether und deren Anwendungen New Terpene and their applications |
| 09/23/1999 | CA2321791A1 Coupling reactions with palladium catalysts |
| 09/22/1999 | EP0943599A1 Terpene ethers and their uses |
| 09/22/1999 | EP0942895A2 Process for producing alkoxybutenes |
| 09/21/1999 | US5955634 Group viii metal catalyst with water soluble phosphine coordinating agent |
| 09/15/1999 | EP0739239B1 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide |
| 09/15/1999 | CN1228758A Haphthyl compounds, intermediates, compositions and methods of use |
| 09/14/1999 | CA2168456C A cargo compartment for a lighter-than-air vehicle |
| 09/10/1999 | WO1999044978A1 Process for purifying fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether |
| 09/08/1999 | EP0939752A1 Manufacture of fluorinated compounds |
| 09/08/1999 | EP0939751A1 Macrophage lipid chemoattractant |
| 09/08/1999 | EP0939749A1 Process for the preparation of benzyl-ethers |
| 09/08/1999 | EP0638103B1 Preparation of fluorinated polyethers |
| 09/08/1999 | CN1228072A Process for preparing 2-aryl-substituted indenes |
| 09/08/1999 | CN1045001C Production tech. for isopropyl ether |
| 09/07/1999 | US5948946 Use of sol-gel derived porous microposite of perfluorinated ion-exchange polymer and metal oxide to isomerize terminal olefins |
| 09/07/1999 | US5948933 Tropane analogs and methods for inhibition of monoamine transport |
| 09/02/1999 | DE19809166A1 Enhancement of catalytic activity and selectivity of carbon-carbon bonding reactions in water or multiphase system |
| 09/01/1999 | EP0938927A1 Alkoxylation catalyst |
| 09/01/1999 | EP0938462A1 Hydroxyalkylation of phenols |
| 09/01/1999 | CN1227536A Difluophenyl derivative compound, liquid composition and liquid crystal display device |
| 09/01/1999 | CN1044900C Process for preparing chemical industry type methyl t-butyl ether |
| 08/31/1999 | US5945568 Method for producing a glycol ether |
| 08/31/1999 | CA2158006C Hydrocarbonylation of dimethyl ether |
| 08/26/1999 | WO1999024443A3 Catalysts for asymmetric synthesis containing rigid chiral ligands |
| 08/26/1999 | WO1998022435A9 Compounds useful for perhalogenoalkylation, reagent for implementing these compounds and synthesis method for obtaining these compounds |
| 08/25/1999 | EP0937021A1 Production of nabumetone or precursors thereof |
| 08/25/1999 | CN1044805C Method and apparatus for etherification reaction of light hydrocarbon and aliphatic alcohol |
| 08/25/1999 | CN1044804C Method for producing methyl tertbutyl ether for production of high purity isobutylene |
| 08/17/1999 | US5939592 Catalytic deesterification with rhodium, platinum, and palladium; dehydration; tert-butyl methyl ether production from tert-butyl alcohol and ethanol; etherification |
| 08/17/1999 | US5939591 Apparatus for producing alkylene glycols, alkylene glyocols having higher primary hydroxyl content, method of producing glycols having higher primary hydroxyl content, method of producing acrylate esters |
| 08/11/1999 | EP0934241A1 Production of 6-bromo-2-methoxynaphthalene and derivatives |
| 08/11/1999 | EP0934240A1 Production of 6-bromo-2-naphthol and derivatives |
| 08/10/1999 | US5936102 Cyclocondensing o-(2-bromotetrafluoroethoxy)phenol in the presence of acid binder |
| 08/05/1999 | WO1999038828A1 Process for producing butanetriol derivative |
| 08/05/1999 | WO1999038822A1 Process for the synthesis of chemical industrial feedstock and high-octane fuel, and high-octane fuel composition |
| 08/05/1999 | DE19903925A1 Preparation of styrene derivatives useful as intermediates for polymers, pharmaceuticals and agrochemicals |
| 08/05/1999 | CA2319418A1 Processes for preparing butanetriol derivatives |
| 08/04/1999 | EP0933345A1 Three step process for producing light olefins from crude methane and/or ethane |
| 08/04/1999 | CN1224705A Three step process for producing light olefins from methane and/or ethane |
| 08/04/1999 | CN1044472C High pureness tetraglycol prepn. method |
| 08/04/1999 | CN1044471C Catalytic synthesizing process for ethers |
| 08/03/1999 | US5932755 Fatty acid ester of etherified polyhydric alcohol |
| 08/03/1999 | US5932565 Vitamin D analogues |
| 07/29/1999 | WO1999037598A1 Process for preparing hydrofluoroethers |
| 07/28/1999 | EP0931064A1 Stabilised monomer composition |
| 07/28/1999 | EP0931055A1 Selective alkylation of an alcohol substituted phenol compound |
| 07/28/1999 | EP0931047A1 Intermediates for the synthesis of vitamin d and steroid derivatives and processes for preparation thereof |
| 07/28/1999 | EP0931046A2 PROCESS FOR PRODUCING n-BUTYLALKYL ETHERS |
| 07/28/1999 | EP0638058B1 Alkoxylation process |
| 07/28/1999 | CN1223996A Method for preparing di(2-chloroethyl) ether |
| 07/27/1999 | US5929264 Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts |
| 07/22/1999 | WO1998012165A3 Process for producing alkoxybutenes |
| 07/21/1999 | EP0929503A1 A method for producing glycols |
| 07/21/1999 | EP0929501A1 Alkylation and acylation reactions |
| 07/21/1999 | EP0734363B1 Fluorination process |
| 07/20/1999 | US5925798 Thoria catalyst |
| 07/14/1999 | EP0676387B1 2,2-bis(3,5-disubstituted-4-hydroxyphenyl)propane derivative, process for producing the same, and process for producing pyrogallol therefrom |
| 07/14/1999 | CN1222501A 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents |
| 07/13/1999 | US5922903 Sulfonation of hydrocarbone as liquid thin film stream with sulfur trioxide gas reactant and liquid alochol or alkyl phenol ethoxylated by ethylene oxide gaseous reactant by passing fluid and gases down the surface of vertical plates |
| 07/13/1999 | CA2063019C A process for production of an ether-rich additive |
| 07/08/1999 | WO1999033783A1 Method for producing oxalkylated amines or alcohols |
| 07/08/1999 | CA2311127A1 Method for producing oxalkylated amines or alcohols |
| 07/06/1999 | US5919989 Etherification process |
| 07/06/1999 | CA2161918C Chemical reactor feed control |
| 07/01/1999 | WO1999032424A1 An ortho ester-based surfactant, its preparation and use |
| 07/01/1999 | DE19757709A1 Verfahren zur Herstellung oxalkylierter Amine Process for the preparation of alkoxylated amines |
| 07/01/1999 | CA2310646A1 An ortho ester-based surfactant, its preparation and use |
| 06/30/1999 | EP0925270A1 Production of 6-bromo-2-naphthol and derivatives |
| 06/29/1999 | US5917079 Process for synthesizing benzoic acids |
| 06/29/1999 | US5916837 Porous microcomposite of metal cation exchanged perfluorinated ion-exchanged polymer and network of metal oxide, silica or metal oxide and silica |
| 06/24/1999 | WO1999031036A2 O-derivatives of halogenated diphenyl ether compounds |
| 06/24/1999 | DE4447504C2 Prepn. of alkyl tert. alkyl ether(s) useful as octane improvers for gasoline |
| 06/23/1999 | EP0924181A1 Process for removing polar compounds from an etherification unit |
| 06/23/1999 | EP0923509A1 Bromination of aromatic compounds with ozone |
| 06/23/1999 | CN1220651A Process for preparing alkyl ethers and mixtures thereof |
| 06/23/1999 | CN1220255A Preparation of cyclopropane esters |
| 06/23/1999 | CN1220253A Alcohol ether synthetic improved technology and synthetic reactor thereof |
| 06/22/1999 | US5914430 Reacting a hydroxy compound and a carbonyl compound under hydrogen atmosphere using catalyst, removing water |
| 06/16/1999 | EP0922023A1 Process for removing nitrile in etherification process |
| 06/16/1999 | EP0922021A1 Difluorophenyl derivative compound, liquid crystal composition and liquid crystal display device |
| 06/16/1999 | EP0835236A4 Purification of fluorinated dimethyl ethers |
| 06/15/1999 | US5912390 Method for the work-up of a surfactant-containing reaction mixture |
| 06/15/1999 | US5912191 Isomerization and etherification |
| 06/15/1999 | CA2093752C Integrated process for oxygenated acetyl compounds from synthesis gas via dimethyl ether |
| 06/15/1999 | CA2093747C Process for converting dimethyl ether to ethylidene diacetate |
| 06/09/1999 | EP0921108A1 Multi-stage process for treating N-paraffins |
| 06/09/1999 | EP0888268A4 Method for the cyclotrimerization of alkynes in aqueous solutions |
| 06/09/1999 | CN1218805A Process for preparing penta or hexa cyclic ether, particularly dehydropolyol |
| 06/09/1999 | CN1218791A Method for preparing enol |
| 06/09/1999 | CN1218790A Method for etherifying between moleculars and ether cracking |
| 06/09/1999 | CN1218709A Apparatus and method for forming mixed multiple component steam |
| 06/08/1999 | US5910617 Process for the preparation of aliphatic or cycloaliphatic chlorides |
| 06/03/1999 | WO1999026910A1 Method of preparing monofluoromethyl ethers |
| 06/02/1999 | EP0642486B1 PRODUCTION OF HYDROFLUOROCARBONS FROM alpha-FLUOROETHERS AND SOME alpha-FLUOROETHERS |
| 06/02/1999 | CN1218024A Method for purifying bromine compound |
| 06/01/1999 | US5908966 Telomerizing a starting polyfluoroalkyl iodide with a terminally unsaturated perfluoro olefin or monochlorofluoro olefin. |
| 06/01/1999 | US5908964 Reacting hydrocarbon feedstock with an alcohol; distillation |
| 06/01/1999 | US5908963 From synthesis gas |