Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
11/1993
11/11/1993WO1993022267A1 Novel retinol derivatives and uses thereof
11/11/1993WO1993022266A1 Alkoxylation process
11/11/1993WO1993022265A1 Production of bis(fluoromethyl)ether and difluoromethane
11/11/1993DE4215277A1 2,2,3,3-Tetra:fluoro-alkoxy-benzene cpds. - used as components of stable liquid crystal medium with wide mesophase range and good low temp. property, for LCD and electro-optical display
11/11/1993CA2135298A1 Novel retinol derivatives and uses thereof
11/11/1993CA2134210A1 Alkoxylation process
11/11/1993CA2134076A1 Production of bis(fluoromethyl) ether and difluoromethane
11/11/1993CA2133984A1 N-aryloxy(thio)alkyl-azacycloalkanes useful as calcium channel antagonists
11/11/1993CA2133652A1 Liquid crystal compounds having prefluoroether terminal portions
11/10/1993EP0569168A2 Synthesis of alkyl tert-alkyl ether using haloacid-modified clay catalysts
11/09/1993US5260492 Fluorinated monomers and polymers
11/09/1993CA1324151C Titanium and zirconium complexes, and fuel compositions
11/09/1993CA1324142C Quinolinyl ether or thioether tetrazoles as agents for the treatment of hypersensitive ailments
11/09/1993CA1324135C Perfluoro(cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof
11/05/1993CA2078484A1 One step synthesis of methyl t-butyl ether from t-butanol using haloacid-modified clay catalysts
11/03/1993EP0568496A2 Photoresist materials based on polystyrene
11/03/1993EP0568040A1 Cyclohexane derivative and liquid crystal composition containing the same
11/03/1993EP0567848A1 Process for the alpha-chlorination of arylethern
11/03/1993EP0567847A1 Halogenation process in advantageous solvents
11/02/1993US5258554 Reaction of benzyl alcohol and p-chlorophenol, acid catalyst, selectivity
11/02/1993US5258529 Process for producing propargylcarbinol compounds
11/02/1993US5258410 Aromatic compounds, their production processes and their compositions for the control of insect pests
11/02/1993US5258136 Alkoxylated compounds and their use in cosmetic stick formulations
10/1993
10/28/1993WO1993021145A1 Non-steroid progesterone receptor agonist and antagonist compounds and methods
10/28/1993DE4213642A1 Per:fluoro polyether(s) catalytic purificn. and stabilisation for high yield - by passing per:fluoro polyether gas above copper-magnesium-silicate catalyst and collecting in aq. alkali hydroxide soln. for fluorinated by=product removal
10/28/1993CA2133325A1 Non-steroid progesterone receptor agonist and antagonist compounds and methods
10/27/1993CN1077588A Pesticides, insecticides, miticides and nematocides compositions containing new silanes derivatives
10/26/1993US5256815 Bisulfite adducts of 2,4-dihalobutraldehyde
10/26/1993US5256694 Diarylacetylenes, their preparation and their use
10/26/1993US5256677 Enzyme inhibitor for treating acquired immune deficiency syndrome
10/26/1993US5256333 Stabilized polyether polyol and polyurethane foam obtained therefrom
10/26/1993CA1323724C Liquid crystalline polyesters
10/24/1993CA2094465A1 Cycloalkane derivatives
10/20/1993EP0565975A2 Process for the preparation of isoprenoid derivatives
10/20/1993EP0565624A1 Lubricant adducts and their preparation
10/20/1993CN1022490C Liquid crystal mixture
10/19/1993US5254782 Reacting conjugated diene with compound containing active hydrogen in liquid phase in presence of group 8 compound catalst and promoter
10/19/1993US5254764 Integrated process for producing iso-butene and alkyl tert-butyl ethers
10/19/1993US5254752 Preparation of 4-halobenzyl alcohols
10/19/1993US5254749 Dehydration condensation of pentaerythritol in presence of acid catalyst
10/19/1993US5254744 Preparation and purification of poly(tetramethylene ether) formal glycols and poly(oxybutylene formal) glycols
10/19/1993US5254710 Alkenyl ether polycarbonates
10/19/1993US5254527 Optically active herbicidal ethyl-2-(4-(6-chloro-benzoxazol-2-yloxy)-phenoxy)-propionate
10/19/1993CA1323378C Fluorine-containing mono- or poly-alkylene glycol and method for producing same
10/14/1993WO1993020085A1 Production of trifluorovinyl ethers
10/14/1993WO1993019751A1 Compounds useful for treating inflammatory diseases and inhibiting production of tumor necrosis factor
10/14/1993WO1993019750A1 Compounds useful for treating allergic or inflammatory diseases
10/14/1993WO1993019749A1 Compounds useful for treating allergic and inflammatory diseases
10/14/1993WO1993019720A2 Compounds
10/14/1993DE4308695A1 New rare earth metal alkoxide(s)
10/14/1993DE4307243A1 Prepn. of di:aryl cpds. useful for producing liquid crystal cpds. - involves coupling of aryl halide(s) with aromatic boron acid derivs. using palladium catalyst
10/12/1993US5252610 Aromatic compounds and their compositions for the control of insect pests
10/12/1993US5252253 Phenyl naphthalenes having liquid crystalline properties
10/12/1993US5252252 Anisotropic compounds and liquid crystal mixtures
10/12/1993US5252251 Mesomorphic polymer, monomeric mesomorphic compounds, liquid crystal composition and liquid crystal device
10/07/1993DE4211208A1 Wash- and abrasion-resistant aq. emulsion paints - comprising polymer dispersion binder, mono:ether cpds. of dicyclopentadiene as coalescing agent and usual additives
10/06/1993EP0564402A1 Low foaming surfactant compounds
10/06/1993EP0563982A2 Polycyclic diene derivatives
10/06/1993EP0563981A2 Cis-1,4-substituted 2-butene derivative
10/06/1993EP0563557A2 Volatile rate earth metal alkoxides, especially for the preparation of rare earth metal oxides, and alcohols for the synthesis of volatile compounds
10/06/1993EP0563392A1 2-propanol compound and recording material prepared therefrom
10/06/1993EP0563247A1 Photodefinable interlevel dielectrics
10/06/1993CN1076957A Novel refrigerant composition earl august eugene lund ian robert shnkland
10/05/1993US5250742 Bis/propargyloxyphenyl/isopropyl cyclohexanes for impregnation of inorganic fibers before polymerizing to hydrophobic thermosetting resins
10/05/1993US5250715 Prostaglandin intermediates
10/05/1993US5250574 Halogen substituted phenoxy phenols
10/05/1993US5250535 Herpes virus; nontoxic; side effect reduction; humans and veterinary medicine
10/05/1993US5250222 Optically active compounds used for liquid crystalline mixtures
10/05/1993US5250156 Heteroazeotropic distillation with water as entrainer using two distillation columns connected overhead to decanter
10/05/1993CA1322767C Process for the production of pure dimethylether
10/05/1993CA1322764C Dehydration of organic oxygenates
10/05/1993CA1322744C Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers
09/1993
09/30/1993WO1993019032A1 Process for preparing methyl ethers
09/30/1993WO1993019031A1 Process and apparatus for preparing tertiary alkyl ethers
09/30/1993WO1993018651A1 Cyclic anti-tumor promoter compounds, compositions and methods for production and use
09/30/1993CA2132319A1 Cyclic anti-tumor promoter compounds, compositions and methods for production and use
09/29/1993EP0562858A1 Vapor phase chlorination of difluoromethyl methyl ether and fluorination of the chlorinated products
09/29/1993EP0562530A1 1,3-Cyclobutanedione bis-ketals, process for their preparation and their use
09/29/1993EP0308438B1 Liquid crystal phase containing tolanes
09/28/1993US5248834 Pesticides
09/28/1993US5248832 Reduction of alkyl ester of trifluoroacetic acid with alkali metal borohydride
09/28/1993US5248823 Diphenylheteroalkyl derivatives, the preparation thereof and drugs and cosmetics prepared therefrom
09/28/1993US5248685 5-lipoxygenase inhibitor
09/28/1993US5248447 2,3-difluorohydroquinone derivatives
09/25/1993CA2092353A1 1,3-cyclobutanedione-bisketals, process for their production and their use
09/22/1993EP0494946A4 Alk-1-enyl ethers
09/22/1993EP0414686B1 Derivatives of trifluoromethyl-1-tetralines, preparation and application thereof for the synthesis of compounds having therapeutic properties
09/22/1993CN1076379A A distilling process and plant of catalytic reaction
09/21/1993US5246943 Substituted 1,2,3,4-tetahydroisoquinolines with angiotensin II receptor antagonist properties
09/16/1993WO1993018084A1 Reduction of molecular weight of poly(tetramethylene ether) glycol
09/15/1993EP0560382A1 Difluoroethylene compounds and liquid crystal compositions containing them
09/15/1993EP0560057A1 Process for the preparation of highly pure dimethyl ether
09/15/1993EP0559860A1 Halovinyl-derivatives.
09/14/1993US5245087 Etherification process
09/14/1993US5245086 Hydroxylation of phenols/phenol ethers
09/14/1993US5245085 Chemical intermediates for sarcophytol A, an anticancer and antitumor agent
09/14/1993CA1322197C 9-halogen-(z) prostaglandin derivatives, process for their production and their use as pharmaceutical agents
09/08/1993EP0559612A1 Dioxolane derivatives as pesticides
09/08/1993CN1075977A Refrigerant composition and application thereof
09/08/1993CN1075962A Dioxolane derivatives