Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
10/1991
10/01/1991US5053566 Catalysis reaction with bromine or chlorine halogenating agent, in the presence of methylene chloride and metal cation containing Type-L zeolite
10/01/1991US5053556 Process for producing alkenyl ethers
10/01/1991US5053555 Hydroxy-terminated arylene ethers, and method for making
10/01/1991US5053554 Monomethyl ether of an ethoxylated or propoxylated(2 average) neopentyl glycol; nonvolatile coating formulation; fact cure; low viscosity; shrinkage inhibition; rheology
10/01/1991US5053548 Biphenyl derivative composition for nerve cell degeneration repairing or protective agent and process for preparing a phenyl derivative contained in the composition
10/01/1991US5053547 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
10/01/1991US5053536 Perhalogenated chlorofluoroether compounds or polyethers; lubricants
10/01/1991US5053507 Optically active pyrimidines derivatives
10/01/1991US5053421 Di-styrl-phenyl-triglycol ether as crystallization inhibitor
10/01/1991CA2038983A1 Process for preparing alkyl tert-alkyl ethers
09/1991
09/29/1991CA2036498A1 Method for producing 4-(2'-methoxyethyl) phenol
09/26/1991DE4106345A1 New halogen-substd. 1,2-di:phenyl-ethane cpds. and use - in liq. crystal medium for LCD and electro-optical display with low viscosity
09/25/1991EP0448389A1 Enamine derivatives and their use in electrophotographic member
09/25/1991EP0447947A1 N-(3-Phenyl-2-methylpropyl and -methyl-prop-2-enyl)-azaheterocycles
09/25/1991EP0447778A2 Vinyl polyether alcohols
09/25/1991EP0344165B1 Thermoset polymers of styrene terminated tetrakis phenols
09/24/1991US5051535 Process for the preparation of extensively fluorinated aliphatic hydrocarbons having 1 or 2 bromine or chlorine atoms in the molecule
09/24/1991US5051534 Novel cyclopropyl squalene derivatives and their use as inhibitors of cholesterol synthesis
09/24/1991US5051158 Process for preparing controlled molecular weight perfluoropolyethers having perfluoroalkyl or perfluorochloroalkyl end groups
09/24/1991CA2038831A1 N-(3-phenyl-2-methylpropyl and -methylprop-2-enyl)-azaheterocycles
09/24/1991CA1289567C Insecticidal alkenes
09/19/1991WO1991013932A1 Azeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl ether
09/19/1991WO1991013850A1 4,4'-disubstituted 2',3-difluorbiphenyls and liquid crystalline medium
09/19/1991WO1991013849A1 Fatty alcohol alkoxylate
09/19/1991DE4107120A1 4,4'-Di:substd. 2',3-di:fluoro-bi:phenyl cpds. - useful as components of liq. crystal media for electro=optical displays
09/18/1991EP0446722A1 Novel hydroxylated phenoxy compounds and process for their preparation
09/18/1991EP0446720A2 Novel brominated phenoxy compounds and processes for their preparation
09/18/1991EP0446301A1 Preparation of biaryl compounds.
09/17/1991US5049410 Perflurorpolyether
09/17/1991CA1289078C Pharmaceutical composition for the treatment of parkinson's disease
09/11/1991EP0445595A2 Bromination process
09/11/1991EP0445221A1 Styrene terminated multifunctional oligomeric phenols as new thermosetting resins for composites.
09/11/1991CN1013857B Process for preparation of diphenyl oxide compounds with insecticidall activity
09/10/1991US5047575 Norbornene carboxylic acids and esters
09/10/1991US5047346 Optically active 3-(2-trifluoro-1-hydroxyethyl)propenyl benzyl ether, derivatives thereof, method for preparing the same and use thereof for liquid crystal compound
09/10/1991US5047170 Anisotropic compounds having nematic phase and liquid crystal mixtures
09/10/1991US5047169 Elevates refractive index anisotropy of lifquid crystal compounds; high speed response
09/10/1991CA1288724C Process for exhaustively decontaminating perfluoropolyethereal oils
09/04/1991EP0444899A2 Catechol derivatives, their physiologically acceptable salts, esters and their use in the treatment of tissue damage induced by lipid peroxidation
09/04/1991EP0444554A2 Process for the preparation of perfluorinated polyethers
09/04/1991EP0444448A2 Phenylcyclohexylethane and liquid crystal medium
09/03/1991US5045624 Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom
09/03/1991US5045548 Quinolyl methoxy compounds and their use as antiasthmatic agents
09/03/1991US5045229 Liquid crystals
09/03/1991CA1288356C Non agressive cosmetic compositions containing a foaming surfactant and a non-ionic surfactant having two fatty chains
08/1991
08/29/1991DE4005882A1 Fluorinated aromatics, e.g. fluorinated bis-phenyl-buta-di:yne - useful as components of liq. crystal phases
08/28/1991EP0443912A1 Mixtures of dimethylether and 1,1,1,2-tetrafluoroethane and their applications
08/28/1991EP0442924A1 New mixtures of fatty alcohols and their ethoxylates with improved low-temperature behaviour
08/28/1991EP0417240A4 Process for reducing propenyl ether concentration in hydroxy-functional polyether compounds
08/27/1991US5043482 New derivatives of 5,6,7,8-tetrahydro-1-naphthalenol, a process for their preparation and cosmetic and pharmaceutical compositions containing them
08/27/1991US5043094 Optically active bisaryl compound
08/24/1991WO1991003446A1 Phenylcyclohexanes and liquid crystal medium
08/22/1991DE4004883A1 New vinyl-polyether alcohol derivs. - useful as surfactants and intermediates for polyether sulphonate(s), prepd. by reacting polyether alcohol with vinyl oxirane
08/22/1991DE4004650A1 Halogenated bi:phenyl-cyclohexyl-ethane(s) - useful as components of liq. crystal media for electro-optical displays
08/21/1991EP0442612A2 Process of making (3H)-labeled PAF preparations
08/21/1991EP0442400A1 Process for preparing substantially fluorinated aliphatic hydrocarbons containing 1 or 2 bromo- or chloroatoms in the molecule
08/21/1991EP0442306A2 (4E-cyclohexyl-3-butenyl)phenyl derivatives
08/21/1991EP0442131A1 4,4'-Di-(omega-hydroxyalkoxy)biphenyl, method for its manufacture and its application in the manufacture of polyurethanes
08/21/1991EP0441951A1 Halogenated benzene derivatives and liquid crystalline medium.
08/21/1991EP0441948A1 Synthesis of stable, water-soluble chemiluminescent 1,2-dioxetanes and intermediates therefor
08/21/1991EP0441932A1 Fluorobenzole derivatives and mesomorphous medium.
08/21/1991EP0441876A1 Non-bioaccumulable pesticides.
08/21/1991EP0441807A1 Liquid phase fluorination.
08/21/1991EP0422120A4 Polymerizable surfactant
08/20/1991US5041689 Method of recovering L-quebrachitol from rubber latex serums
08/20/1991US5041688 Process for the preparation of polyglycerols
08/20/1991US5041687 Bromination process
08/20/1991US5041639 Polysubstituted derivatives of naphtalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
08/20/1991US5041638 Alkenoic acid derivatives
08/20/1991US5041609 Herbicidal (7-(hetero) aryloxynaphthalen-2-yl-oxy)-alkane-carboxylic
08/20/1991US5041604 Process for producing di(aryloxy)alkane
08/20/1991US5041402 Containing oxides of silicon and/or germanium with aluminum, iron, gallium, boron titanium, vanadium, zirconium, molybdenum, arsenic, chromium and/or manganese
08/17/1991CA2036070A1 Vinyl polyether alcohols
08/14/1991EP0441116A2 Process and intermediates for the manufacture of optically active chroman derivatives
08/14/1991EP0440737A1 Preparation of biaryl compounds
08/14/1991CN1053800A Process for preparing fluoropolyethers and perfluoropolyethers having neutral or functional end groups and controlled molecular weigh
08/13/1991US5039729 Consisting of hexabromodiphenyl ethane, heptabromodiphenyl ethane and octabromodiphenyl ethane; flame retarders
08/13/1991US5039710 Viricides, antitumor agents
08/13/1991US5039659 2,2,3-trimethylcyclopentenyl acetone derivatives, organoleptic uses thereof and process for preparing same
08/13/1991CA1287637C Fluoropolyethers containing end groups endowed with anchoring capacity
08/08/1991WO1991005750A3 Process for producing fluorinated organic compounds
08/08/1991DE4003012A1 Geminale dimethylalkyl-verbindungen, verfahren zu ihrer herstellung und ihre verwendung in fluessigkristallinen mischungen Geminal dimethylalkyl compounds, process for their production and their use in fluessigkristallinen mixtures
08/07/1991WO1991013052A1 Vinyl ether compounds
08/07/1991EP0440199A2 Process for preparing (per) fluoropolyethers of controlled molecular weight
08/07/1991EP0440134A1 Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus
08/07/1991EP0210203B1 Propanol derivatives
08/07/1991CN1013442B Bicyclic compound processes for prepn. thereof and pharmaceutical composition comprising same
08/07/1991CA2075367A1 Vinyl ether compounds
08/06/1991US5037998 Using palladium phosphine complex catalyst
08/06/1991US5037919 Reactive compounds containing perfluorovinyl groups
08/06/1991US5037918 Heating a monomer having two dimerizable perfluorovinyl groups and crosslinking
08/06/1991US5037917 Polymerizing Monomers Containing At Least Two Perfluorovinyl Groups, Then Heating To Form Perfluorocyclobutane Rings
08/06/1991US5037802 Perfumes
08/06/1991US5037511 Catalytic dehydration of dimethyl ether; purifying distillate by-products
08/03/1991WO1991011441A1 Process for producing geminate dimethylalkyl compounds and their use in liquid crystalline mixtures
08/03/1991CA2075198A1 Process for producing geminate dimethylalkyl compounds and their use in liquid crystalline mixtures
08/01/1991WO1991011420A1 Hydroxy containing fluorovinyl compounds and polymers thereof
08/01/1991DE4101543A1 New alkyl substd. fluorinated terphenyl cpds.
08/01/1991DE4002411A1 New methylene cyclohexane cpds. and new optically active cpds. - used in liquid crystal compsn., esp. dielectric for matrix cpd.
08/01/1991DE4002374A1 New partly fluorinated uncondensed poly:cyclic cpds. - useful in LCD medium, having low viscosity and wide mesophase range