Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
05/1998
05/13/1998EP0841090A2 Catalyst and process for production of 2-buten-1-ol compounds
05/12/1998US5750807 Reaction of aldehyde with hydrogen fluoride for fluorination
05/12/1998US5750799 Dimethyl ether production and recovery from methanol
05/12/1998US5750797 Process for the production of hydrofluoroethers
05/12/1998US5750796 Method of producing an alkylene oxide adduct of a compound having one or more active hydrogen
05/12/1998US5750747 Fluorinated amine salt compound
05/12/1998US5750577 Tetrameric calixarene for prophylaxis against cell infection by enveloped virus; side effect reduction, non drug-resistant
05/12/1998US5750382 Treating a trans-2-alkoxycyclohexanol with a hydrolase capable of esterifying stereospecifically the r-isomer in the presence of an acyl donor; no hydrolysis; separation from ester
05/12/1998US5750051 Reactive terphenyls
05/12/1998US5750050 Discotic compounds for use in liquid crystal mixtures
05/12/1998CA2218137A1 Catalyst and process for preparing 2-buten-1-ol compounds
05/12/1998CA1339864C Process for preparing controlled molecular weight perfluoropolyethers having perfluoroalkyl or perfluorochloroalkyl end groups
05/07/1998DE19746289A1 Chiral dopants for liquid crystal media
05/07/1998DE19742315A1 New bis:alkenyl-bi:cyclohexane compounds
05/07/1998CA2217931A1 Aromatic ethers of polyalkylphenoxyalkanols and fuel compositions containing the same
05/06/1998EP0840170A1 Selected O-quinonediazide sulfonic acid esters of phenolic compounds
05/06/1998EP0839798A2 Intermediates for preparating non-peptide retroviral protease inhibitors
04/1998
04/30/1998WO1998017616A1 Production of nabumetone or precursors thereof
04/30/1998CA2265751A1 Production of nabumetone or precursors thereof
04/29/1998EP0837851A1 Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures
04/29/1998EP0837848A1 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity
04/29/1998EP0665836B1 Bifunctional intermediates for use in the manufacture of liquid crystals
04/29/1998CN1180347A Process for preparing fluoromethyl 1, 1, 1, 3, 3, 3, -hexafluoroisopropyl ether
04/29/1998CN1180064A Method for producing dimethy ether
04/28/1998US5744058 Dienes and liquid-crystalline media
04/28/1998CA2019855C 3-(2-bornyloxy)-2-methyl-1-propanol and perfumery uses thereof
04/22/1998EP0837046A1 Process for preparing o-alkyl-fluoro-benzenes
04/22/1998EP0837045A1 Liquid crystalline compound having alkynyl group, and liquid crystal composition and liquid crystal display device therefrom
04/22/1998EP0766659B1 Fluoroalkylethoxylate compositions having enhanced water solubility
04/22/1998EP0741686B1 New leukotriene b4 derivatives, methods of preparing them and their use as drugs
04/22/1998CN1179770A Preparation of cis- 4 -0 -protected -2 -cyclopentenol derivatives
04/21/1998US5741950 Fluorinating heptafluoroisobutenyl methyl ether
04/21/1998US5741949 Continuously feeding excess liquid bromine and non-fused aromatic compound to reaction zone to form mixture, continuously withdrawing after established residence time
04/21/1998US5741947 Etherification
04/21/1998US5741946 Polyether lubricants and method for their production
04/21/1998US5741922 Coupling agent; surface treatment of magnetic material; heat and oxidation resistance; waterproofing
04/21/1998US5741814 Fungicides, anticoagulants
04/21/1998US5741438 Optically active biphenyl derivative, process for preparation thereof, liquid crystal composition containing the same as an effective component, and liquid crystal element using the same
04/16/1998WO1998015515A1 Synthesis of aryl ethers, methods and reagents related thereto
04/16/1998WO1998015509A1 Alkylation and acylation reactions
04/16/1998CA2467977A1 Synthesis of vinyl ethers, methods and reagents related thereto
04/16/1998CA2466959A1 Synthesis of aryl ethers, methods and reagents related thereto
04/16/1998CA2265777A1 Alkylation and acylation reactions
04/15/1998EP0836366A1 Organic electroluminescent device
04/15/1998EP0835858A1 Process for the purification of fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether
04/15/1998EP0835274A1 Hydroxy-substituted ethynylated biphenyls
04/15/1998EP0835236A1 Purification of fluorinated dimethyl ethers
04/15/1998EP0686138B1 2-methylbutoxy ethoxyethanol
04/14/1998US5739394 3,3-dioxy-4,4,4-trifluorobutyric acid derivatives
04/14/1998US5739374 Processes of preparing diphenylheteroalkyl derivatives
04/14/1998US5739322 Process for preparing BIS-indolyl macrocycles
04/14/1998US5739144 Trisubstituted phenyl derivatives
04/14/1998US5739100 Cis-3-hexenal-cis-3-hexenyl acetal compound, process for preparing same, and fragrance-or flavor-imparting or fragrance-or flavor-retaining agent and perfume composition containing same
04/14/1998CA1339818C Antiviral purine derivatives
04/09/1998WO1998014419A1 A method for producing glycols
04/09/1998WO1998014418A1 Liquid crystal compounds having negative permittivity, liquid crystal compositions, and liquid crystal display device
04/09/1998CA2268158A1 A method for producing glycols
04/08/1998EP0834508A1 Substituted biphenyl or phenylpyridine derivatives, process for their preparation and pharmaceutical compositions containing them
04/08/1998EP0834499A1 Process for the preparation of aromatic vinyl compounds
04/08/1998EP0834491A1 Bisalkenyl bicyclohexane and liquid crystal medium
04/08/1998EP0834490A1 Compounds having alkyl-substituted alkenylene moiety and liquid crystal composition
04/08/1998CN1178519A Dimethyl ether production and recovery from methanol
04/08/1998CN1178518A Process for alkoxylation of fluorinated alcohols
04/07/1998US5736068 Triphenylene compounds and preparation of discotic liquid crystalline crosslinked polymers
04/02/1998WO1998013346A1 Stabilised monomer composition
04/02/1998WO1998013339A1 Liquid crystal compounds, mixtures and devices
04/02/1998WO1998013327A1 Hydroxyalkylation of phenols
04/02/1998WO1998013326A1 Liquid crystal alkenyl bicyclo[2.2.2]octanes and mixtures and devices containing such compounds
04/02/1998WO1998013325A1 Liquid crystalline (e,e)-butadiene compounds and mixtures and devices containing such compounds
04/02/1998WO1998013324A1 Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements
04/02/1998WO1998013323A1 Substituted benzene derivative, liquid-crystal composition, and liquid-crystal display element
04/02/1998WO1998013322A1 Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element
04/02/1998WO1998013321A1 Compound having alkadienyl group as side chain, and liquid crystal composition using same
04/01/1998EP0832881A2 Benzofluorene compounds, intermediates, compositions, and methods
04/01/1998EP0832880A1 Dihydrobenzofluorene compounds, intermediates, compositions, and methods
04/01/1998EP0832873A1 Preparation of cyclopropane esters
04/01/1998EP0831831A1 Protein tyrosine kinase aryl and heteroaryl quinazoline compounds having selective inhibition of her-2 autophosphorylation properties
04/01/1998EP0741707B1 SUBSTITUTED AROMATIC COMPOUNDS AS c.AMP PHOSPHODIESTERASE- AND TNF-INHIBITORS
04/01/1998CN1177953A Process for the purification of fluoromethyl-1, 1, 1, 3, 3, 3 -hexafluoroisopropyl ether
03/1998
03/31/1998US5733477 Liquid crystal composition and liquid crystal display element
03/26/1998WO1998012202A1 Phosphine ligands
03/26/1998WO1998012172A1 Selective alkylation of an alcohol substituted phenol compound
03/26/1998WO1998012166A1 Alkoxybenzene derivative, liquid-crystal composition, and liquid-crystal display element
03/26/1998WO1998012165A2 Process for producing alkoxybutenes
03/26/1998WO1998012164A2 PROCESS FOR PRODUCING n-BUTYLALKYL ETHERS
03/26/1998DE19638868A1 Stabilisierte Monomerenzusammensetzung Stabilized monomer
03/26/1998CA2265591A1 Process for producing alkoxybutenes
03/26/1998CA2265494A1 Process for producing n-butylalkyl ethers
03/26/1998CA2215856A1 Dihydrobenzofluorene compounds, intermediates, compositions, and methods
03/26/1998CA2214935A1 Benzofluorene compounds, intermediates, compositions, and methods
03/25/1998EP0831083A1 Process for synthesizing benzoic acids
03/25/1998EP0830436A1 Refrigerants based on hydrofluoroether of fluoroether
03/25/1998EP0799186A4 1,4,4-(trisubstituted)cyclohex-1-ene dimers and related compounds
03/25/1998EP0799185A4 1,3,3-(trisubstituted)cyclohexane dimers and related compounds
03/25/1998EP0799184A4 4,4-(disubstituted)cyclohexan-1-ol dimers and related compounds
03/25/1998EP0799182A4 3,3-(disubstituted)cyclohexan-1-ol dimers and related compounds
03/25/1998EP0799031A4 1,4,4-(trisubstituted)cyclohexane dimers and related compounds
03/25/1998EP0613485B1 Thermoplastic fluorocopolymers, and method of preparing fluoromonomer for use in the manufacture of the fluorocopolymer
03/25/1998CN1177374A Cleaning process and composition
03/25/1998CN1176956A Process for separation of dimethyl ether and chloromethane in mixtures