Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
05/1993
05/12/1993EP0541244A1 Catalyst removal from alcohol alkoxylates using acid clays
05/12/1993EP0541152A2 Ethers for aromatizing purposes
05/12/1993EP0540674A1 Improved catalytic olefin hydration for ether production.
05/12/1993EP0540648A1 Ferroelectric liquid crystal compositions containing chiral haloalkoxy tail units.
05/12/1993EP0540612A1 Heterobifunctional reagents and conjugates with oxaalkylene units for amphiphilic bridge structures
05/12/1993EP0540604A1 Substituted bicyclic bis-aryl compounds exhibiting selective leukotriene b 4? antagonist activity, their preparation and use in pharmaceutical compositions
05/12/1993EP0451155B1 Fluorinated lubricating compositions
05/11/1993US5210355 Selective production of 2,6-methylethylnaphthalene
05/11/1993US5210323 Process for the preparation of alkoxylates having a narrow distribution of homologs using antimony pentahalide complexes as the catalyst
05/11/1993US5210322 Processes for the preparation of ethers
05/11/1993US5210321 Two stage catalytic reaction using a zirconium catalyst and an iron catalyst
05/11/1993US5210283 Synthesis of tetrahydrofuran polymers using calcined silica-alumina or beaching earth catalysts
05/11/1993US5210282 Metal carboxylates, alcohols, acrylic esters; surfactants, elastomers, coatings, lubricants, heat transfer and cooling fluids, hydraulic fluids, vapor phase heating, oil- and waterproofing fibers
05/11/1993US5210265 Reactive compounds containing perfluorocyclobutane rings
05/11/1993US5210258 Intermediates to antiinflammatory, analgesic or antipyretic alpha-naphthylalkanoic acids
05/11/1993US5210233 Cyclic perfluoropolyether
05/11/1993US5210201 Optically active isoxazole derivatives and intermediates for preparation thereof as well as processes for producing the same
05/11/1993US5210198 1,2,4-triazole derivatives
05/11/1993US5210188 Dyestuffs for perfluoropolyoxyalkylenes and compositions based on perfluoropolyoxyalkylenes containing such dyestuffs
05/11/1993US5209868 Liquid crystal medium
05/11/1993CA1317603C Flame retardant higher alkyl bisphenoxy alkanes and their application to abs polymer systems
05/05/1993EP0539720A1 Inhibited 141b
05/05/1993CN1020449C Insecticidal triffluormethyl alkane derivatives
05/05/1993CN1020448C Diethers usable in preparation of zieglernatta catalysts
05/04/1993US5208386 Fluorine-substituted compound containing ether bond
05/04/1993US5208385 Preparation of tetrahydrofuran polymers having a narrow molecular weight distribution using an amorphous silica-alumina catalyst
05/04/1993US5208384 2-methylbenzaldehyde dialkyl acetals
05/04/1993US5208072 Mass treatment of cellulosic materials
04/1993
04/29/1993WO1993008195A1 Cyclic peroxyacetal compounds
04/29/1993WO1993008148A1 Process for preparing a mixture of dodecadienol isomers, intermediates for preparing the same and its use
04/29/1993DE4135064A1 Verfahren zur herstellung, zwischenprodukte zur herstellung und die verwendung eines gemisches aus den isomeren des dodecadienols Process for the preparation, intermediates for the preparation and the use of a mixture of the isomers of the dodecadienols
04/28/1993EP0538704A1 Process for the monobenzylation of p-substituted phenols
04/28/1993EP0538681A1 Process for the preparation of monovinyl ethers
04/28/1993EP0538366A1 Retroviral protease inhibitors
04/27/1993US5206443 Alkanediol bisacetals
04/27/1993US5205914 Synthesis of desflurane
04/27/1993CA1316924C Etheric derivative of 4/3h/-quinazolinone and a process for the preparation thereof
04/26/1993CA2069389A1 One step synthesis of methyl t-butyl ether from t-butanol using fluorosulfonic acid-modified clay catalysts
04/21/1993EP0537636A1 Etherification process
04/21/1993EP0537605A2 Process for the preparation of 4-halogenebenzylic alcohols
04/21/1993EP0537558A1 Process for the dehalogenation of naphthalene derivatives
04/21/1993EP0537260A1 A method for avoiding formation of by-products at the production of an ethoxylated polyol.
04/21/1993EP0514482A4 Vinyl ether compounds
04/21/1993EP0259423B1 Liquid crystal compounds, mixtures and devices
04/20/1993US5204415 Polymers prepared from dipropargyl ether of alpha, alpha'-bis (4-hydroxyphenyl)-para-diisopropylbenzene
04/20/1993US5204373 Farnesylated tetrahydro-naphthalenols as hypolipidemic agents
04/20/1993US5204242 Substituted phenols
04/20/1993US5204019 2,3-difluorobiphenyls
04/20/1993US5204018 High speed response, electrooptics
04/19/1993CA2068237A1 Catalyst removal from alcohol alkoxylates using acid clays
04/18/1993CA2080683A1 Substituted hydroquinone derivatives
04/15/1993WO1993007234A1 Halovinyl-derivatives
04/15/1993WO1993007113A1 Alkoxyphenylalkylamine derivative
04/15/1993WO1993007110A1 Method of concentrating and or cleaning coal and minerals by flotation using hydroxyimone ethers
04/15/1993DE4133388A1 Verfahren zur anreicherung und/oder reinigung von kohle und mineralien durch flotation A method for enrichment and / or cleaning of coal and minerals by flotation
04/15/1993DE4123621A1 Enzymatisches verfahren zur herstellung von enantiomerenreinen estern und alkoholen An enzymatic process for the preparation of enantiomerically pure esters and alcohols
04/13/1993US5202504 Separating agent
04/13/1993US5202480 Fluorination of acetals, ketals and orthoesters
04/13/1993US5202447 Process of producing 5,6,7-trinor-4,8-inter-m-phenylene pgi2 derivatives
04/13/1993CA1316182C2 Intermediates for 2,2-difluorocyclopropylethane derivatives
04/07/1993EP0535918A1 Purification of methyl tertiary-butyl ether
04/07/1993EP0535430A1 Process for the preparation of dimethylether
04/07/1993EP0535353A1 Process for the preparation of diglycerine and/or polyglycerine
04/06/1993US5200111 Optically active compound
04/06/1993CA1315808C Process for preparing perfluoro-(2-bromoethyl-vinyl-ether)
04/06/1993CA1315778C Polyhydroxylated and highly fluorinated compounds, their preparation and their use as surfactants
04/06/1993CA1315686C Pharmaceutical compositions containing at least one naphtylaromatic compound as an active ingredient
04/04/1993CA2070876A1 Purification of methyl tertiary-butyl ether
04/01/1993WO1993006074A1 2-propanol compound and recording material prepared therefrom
03/1993
03/31/1993EP0534546A1 Farnesyl pyrophosphate analogs
03/31/1993EP0534142A1 Iso-olefin production and etherification process
03/31/1993EP0533877A1 Fluoro tolans and liquid crystalline media.
03/31/1993EP0533744A1 Heterocyclic anthracyclione and anthracycline analogs
03/31/1993EP0533731A1 Process for halogenating aromatic compounds
03/31/1993EP0507770A4 Process for preparing an ether
03/30/1993US5198598 Telomerization process of a conjugated alkadiene with a polyol
03/30/1993US5198593 Process for purification of ethylene compound having fluorine-containing organic group
03/30/1993US5198588 Intermediates for prostaglandins
03/30/1993US5198570 Esterification
03/30/1993US5198567 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
03/30/1993US5198513 Reactive compounds containing perfluorovinyl groups
03/30/1993CA1315298C Process for the mutual condensation of aromatic and carbonylic compounds
03/30/1993CA1315282C Insecticidal cyclopropyl-substituted di(aryl) compounds
03/30/1993CA1315172C Microemulsions based on three immiscible liquids, comprising a perfluoropolyether
03/28/1993CA2079080A1 Farnesyl pyrophosphate analogs
03/24/1993EP0532759A1 Novel allyl alcohol derivative
03/24/1993EP0532577A1 Functionalized trifluorovinyl ethers and polymers therefrom.
03/24/1993EP0532531A1 Phenol and pyridinol derivatives as pharmaceuticals
03/24/1993EP0532520A1 Process for removing double metal cyanide complex catalyst residues from catalyst-residue containing polyols
03/24/1993EP0532497A1 Fatty alcohol alkoxylate
03/24/1993EP0306505B1 Acetylene derivatives as components of liquid crystal phases
03/23/1993US5196611 Chlorination of the alcohol, a phosphine oxide catalyst
03/23/1993US5196610 Insecticidal ethers
03/23/1993US5196609 Preparation of 3-alkoxycarbonyl propenals and 3-dialkoxymethyl propenals
03/23/1993US5196608 Chemical intermediates for vitamin A
03/23/1993US5196599 Method of preparing fluoro, nitro, and fluoronitroalkyl difluoroformals
03/23/1993US5196586 Polydiphenyldiacetylenes
03/23/1993US5196569 Functionalized trifluorovinyl ethers and polymers therefrom
03/23/1993US5196494 Hydroxy containing fluorovinyl compounds and polymers thereof
03/23/1993US5196140 Electro-optical liquid crystal display element