Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
03/1998
03/24/1998US5731479 Process for the preparation of optically active alcohols
03/24/1998US5731475 Chemical intermediate for insecticides
03/24/1998US5731463 Selective alkylation of an alcohol substituted phenol compound
03/24/1998US5731283 1(4'-methylpentyl)-4-substituted ethylcyclohexane derivatives, organoleptic uses thereof, process for producing same, and process intermediates therefor
03/24/1998CA2215007A1 Process for synthesizing benzoic acids
03/24/1998CA1339764C Basic metal salts having improved color and stability and vinyl halide polymers containing same
03/19/1998WO1998011173A1 Liquid crystal materials
03/19/1998WO1998011045A1 Production of 6-bromo-2-methoxynaphthalene and derivatives
03/19/1998WO1998011041A1 Production of 6-bromo-2-naphthol and derivatives
03/19/1998WO1998011040A1 Production of 6-bromo-2-naphthol and derivatives
03/19/1998DE19637895A1 Verfahren zur Herstellung von n-Butylalkylethern A process for the preparation of n-Butylalkylethern
03/19/1998DE19637892A1 Verfahren zur Herstellung von Alkoxybutenen A process for preparing alkoxybutenes
03/19/1998CA2264914A1 Production of 6-bromo-2-naphthol and derivatives
03/19/1998CA2264884A1 Production of 6-bromo-2-methoxynaphthalene and derivatives
03/19/1998CA2264699A1 Production of 6-bromo-2-naphthol and derivatives
03/18/1998EP0828700A1 Liquid crystalline compounds having exo-methylene site and liquid crystal compositions comprising the same
03/18/1998EP0662004B1 Use of persistent free-radicals in magnetic resonance imaging
03/17/1998US5728319 Liquid crystal composition and liquid crystal display device
03/12/1998WO1998009935A1 Intermediates for the synthesis of vitamin d and steroid derivatives and processes for preparation thereof
03/11/1998EP0827945A1 Methyl substituted tetrahydroindane methyl enol ethers, perfumery uses thereof, processes for preparing same, and process intermediates therefor
03/10/1998US5726321 Vinylation, ethynylation, carbonylation
03/05/1998WO1998008837A1 Phenylbutanol derivatives, methods for their preparation and pharmaceutical compositions thereof
03/05/1998WO1998008797A1 Naphthyl compounds, intermediates, compositions, and methods of use
03/05/1998WO1998008792A1 Tetracyclic compound having lateral halogen substituent and liquid crystal composition comprising the same
03/05/1998WO1998008791A1 Fluorovinyl derivative compound, liquid crystal composition, and liquid crystal display device
03/05/1998WO1998008785A1 Bromination of aromatic compounds with ozone
03/04/1998EP0826715A1 Method for producing an alkylene oxide adduct of a compound having one more active hydrogen
03/04/1998EP0826679A2 Naphthyl compounds, intermediates, compositions, and method of use
03/04/1998EP0826028A1 Azeotrope-like compositions and their use
03/04/1998EP0825972A1 Novel ether compound and process for producing the same
03/04/1998EP0788470A4 Polyether lubricants
03/04/1998CN1175209A 3, 3 -(disubstituted) cyclohexan -1 -ols monomers and related compounds
03/03/1998US5723685 Reaction of diol with acetylene in the presence of base to form vinyl ether
03/03/1998US5723684 Compositions for bis-(fluoromethyl)ether
03/03/1998US5723682 Difluorovinyl ethers
03/03/1998US5723681 3,3-(disubstituted)cyclohexan-1-01 dimers and related compounds
03/03/1998US5723621 Reaction of silylaromatic with aromatic compound to form biaryl compound
03/03/1998US5723609 Bis (hydroxymethyl) cyclobutyl purines
03/03/1998US5723498 Acetal, carboxylic acid
03/03/1998US5723460 Potent and selective phosphodiesterase type iv inhibitors; useful in the prophylaxis and treatment of disease such as asthma where unwanted inflammatory response or muscular spasm is present
03/03/1998US5723456 Therapeutic treatment for cardiovascular diseases
02/1998
02/26/1998WO1998007674A1 Difluorophenyl derivative compound, liquid crystal composition and liquid crystal display device
02/25/1998EP0825167A1 Compounds and surfactants
02/25/1998EP0824566A1 Alkyl end-capped, halogenated polyethers
02/25/1998EP0794987A4 Chemiluminescent dialkyl-substituted 1,2-dioxetane compounds, methods of synthesis and use
02/24/1998US5721305 Polyglycerol production
02/24/1998US5721237 Administering for the selective treatment of cell growth and differentiation
02/24/1998US5720899 Liquid crystalline compound, liquid crystal composition and liquid crystal display element
02/24/1998US5720895 Polyol ether derivatives and production methods therefor
02/19/1998WO1998006692A1 Novel immunotherapeutic agents and their use in the reduction of cytokine levels
02/19/1998WO1998006691A2 Low molecular weight dendritic compounds as pharmaceutical agents
02/18/1998CN1173891A Direactive mesogenic compounds and intermediates
02/18/1998CN1173860A Process for preparing alkyl tertiary-alkyl ether
02/18/1998CN1037431C Prodn. of hydrofluorocarbons
02/17/1998US5719291 Fungicide
02/17/1998US5719175 Protein kinase C inhibitors
02/17/1998US5719130 Anthracycline derivative having a trifluoromethylated sugar
02/17/1998US5718840 Benzene derivatives, and liquid-crystalline medium
02/12/1998WO1998005701A1 Multi-arm star polymers having a well-defined core and methods for the synthesis thereof
02/11/1998CN1172822A Tetraphenols and their use as polycarbonate branching agents
02/11/1998CN1172795A Preparation of hexahydrofarnesylacetone form 6, 7 -dihydrogeraniol, and novel intermadiates therefor
02/11/1998CN1172694A Catalyst for preparing dimethyl ether from gas containing carbon monoxide and hydrogen
02/11/1998CN1037341C Synthesis of methyl cedar ether
02/10/1998US5716994 Plant extracts
02/10/1998US5716896 Improved catalyst life, productivity
02/10/1998US5716624 Polyaromatic propynyl compounds and pharmaceutical/cosmetic compositions comprised thereof
02/10/1998US5716549 Fluoroiodocarbon blends as CFC and halon replacements
02/10/1998US5716543 Good temperature behavior of nematic phase; solubility
02/05/1998WO1998004528A2 Substituted pyridines and biphenyls as anti-hypercholesterinemic, anti-hyperlipoproteinemic and anti-hyperglycemic agents
02/05/1998WO1998004512A1 Stable derivatives of ubiquinole, processes for their production and pharmaceutical use thereof
02/05/1998WO1998004508A1 NOVEL p-TERPHENYL COMPOUNDS
02/05/1998CA2262434A1 Substituted pyridines and biphenyls as anti-hypercholesterinemic, anti-hyperlipoproteinemic and anti-hyperglycemic agents
02/05/1998CA2261339A1 Novel p-terphenyl compounds
02/04/1998EP0822172A1 Process for preparing fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether
02/04/1998EP0821719A1 Liquid crystal compounds having a chiral fluorinated terminal portion
02/04/1998CN1172474A Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on di-, oligo -or polyol ethers
02/04/1998CN1172468A Preparation of fuel grade dimethyl ether
02/03/1998US5714641 Hydroxylation of phenolic compounds
02/03/1998US5714637 Anionic and nonionic surfactants; weatherproofing protective coatings for monuments and stony materials; surface modifiers for polymers and inorganic substrates; waterproofing; oil repellants; friction resistance
02/03/1998US5714633 Forming an arylalkynol by coupling an aryl halide or sulfonyl with an alkynol, replacing the hydroxyl with a br or cl leaving group, forming an n-hydroxyarylalkynl followed by reaction with cyanate, cost effective on a large scale
02/03/1998US5714621 1,3-benzodioxole and 1,2-dialkoxybenzene derivatives as ocular hypotensive agents
02/03/1998US5714493 Antiinflammatory agent
02/03/1998US5714088 Liquid crystalline compound having branched alkyl group at its side chain and liquid crystal composition containing the same
02/03/1998US5714086 Composition for protecting solder interconnection between semiconductor and substrate comprising curable thermosetting propargyl ether-based binder including transition metal curing catalyst, accelerator, filler
02/03/1998CA1339655C Polyols
01/1998
01/29/1998WO1998003462A1 Esters, ethers, and compositions comprising them
01/29/1998WO1998003451A1 Improved lithium and amine dissolving metal reduction
01/29/1998DE19640575C1 Direct hair dyes containing UV absorbent compounds with anionic groups
01/29/1998CA2261059A1 Improved lithium and amine dissolving metal reduction
01/29/1998CA2260792A1 Esters, ethers, and compositions comprising them
01/28/1998EP0820976A1 Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device
01/28/1998EP0820975A1 Process for the preparation of alkyl tert-butyl ethers and di-n-butene from field butanes
01/28/1998EP0820426A1 SUBSTITUTED DIBENZ[a,f]AZULENES AND METHODS OF PREPARATION
01/28/1998EP0592669B1 Optically active trifluorolactic acid derivative and liquid crystal composition
01/28/1998CN1037173C Synthesis of fluoromethyl ether
01/27/1998US5712226 Optically active D-pyridyloxy phenoxy propionate herbicides
01/24/1998CA2211327A1 Process for preparing alkyl tert-butyl ethers and di-n-butene from field butanes
01/21/1998EP0819718A1 Tetraphenol polycarbonate branching agents
01/21/1998EP0733032A4 Alkoxylation process
01/21/1998CN1171125A Process for preparing allyl ether, thioether and amine compounds