Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
08/1984
08/14/1984US4465866 Reacting alkylglycidyl ethers with acetal or metal derivatives of glycerol in presence of acid or basic catalyst
08/14/1984US4465864 Vanillin
08/14/1984US4465860 Polyoxyethyleneated non-ionic surface-active agents with two lipophilic chains
08/14/1984US4465855 Antireumatic & antiinflammatories
08/08/1984EP0115084A2 Process for preparing nonionic surfactants by oxyalkylation with promoted barium catalysts
08/08/1984EP0115083A2 Catalytic process for the preparation of nonionic surfactants
08/07/1984US4464482 Multilayer knit wire interstitial cloth coated with metal oxide
08/07/1984CA1172261A1 Process for the production of oxygen-containing organic products
08/07/1984CA1172200A1 Using butenes to fractionate methanol from methyl- tertiary-butyl ether
08/02/1984WO1984002909A1 Fluorinated ethers
08/02/1984WO1984002903A1 Mevalonolactone analogs, their preparation and pharmaceutical compositions
08/01/1984EP0114359A1 Process for preparing perfluoroalkyl-substituted carbocyclic or heterocyclic compounds
07/1984
07/31/1984US4463207 Supported friedel-crafts catalysts; materials handling; catalyst selectivity; corrosion resistance
07/25/1984EP0113798A1 Process for the preparation of mixtures of alcohols from epoxidised fatty alcohols
07/24/1984US4461309 Ionyl-alkyl and ionyl alkenyl ethers as flavorants for tobacco
07/18/1984EP0113625A1 Process for the preparation of trifluoromethylated benzenic compounds
07/17/1984US4460793 Preparation of monochloromethyl ketones
07/17/1984US4460498 Unsaturated alicyclic ethers and their utilization as perfuming and flavoring ingredients
07/17/1984CA1171099A1 Liquid crystalline fluorine-containing cyclohexylbiphenyls and dielectrics and electro- optical display elements based thereon
07/10/1984US4459425 Physiological coolants
07/10/1984US4459179 Polyol
07/10/1984US4459178 Separation of isopropyl ether from methyl ethyl ketone by extractive distillation
07/04/1984EP0112603A1 Aphidicolane derivatives, their preparation and pharmaceutical compositions comprising them
07/04/1984EP0112588A2 4-Hydroxy-alpha-ethyl benzhydroles, process for their preparation and medicines containing these compounds
07/04/1984EP0112479A1 Execution of organic reactions in silicone oils
07/03/1984US4458091 Prostaglandins
07/03/1984US4457810 Anodic oxidation of di-p-tolyl ether in presence of methanol
07/03/1984CA1170275A1 Process for the production of phenols
06/1984
06/27/1984EP0112261A1 Process for the oxidation of alcohols to their corresponding carbonyl compounds
06/26/1984US4456773 Process for the preparation of polyoxyalkylene ethers
06/26/1984US4456697 Group iii or iv metal alkoxides, hydrofluoric acid
06/26/1984US4456618 Naphthenic and heterocyclic retinoic acid analogues
06/26/1984CA1169882A1 Process for preparing glycol ethers
06/26/1984CA1169881A1 Process for preparing glycol ethers
06/21/1984WO1984002337A1 Process for preparation of arylterpenoid insect maturation inhibitors
06/21/1984WO1984002336A1 Antioxidant synthesis
06/20/1984EP0111124A1 Polyene compounds, their preparation and pharmaceutical preparations containing them
06/20/1984EP0110924A1 Method for the preparation of olefins with lower molecular weight
06/19/1984CA1169439A1 Process to produce novel fluorocarbon vinyl ethers and resulting polymers
06/19/1984CA1169436A1 Fluorocarbon ethers having substituted halogen site(s) and process to prepare
06/19/1984CA1169434A1 Process for the preparation of monochloromethyl ketones
06/13/1984EP0110749A1 Process for the preparation of addition products of epoxides and hydroxy compounds
06/13/1984EP0110116A2 Process for the preparation of keten-O,N-acetals
06/13/1984EP0110031A2 Process for the preparation of 1,2-diols
06/12/1984US4454356 Producing methyl ethers of branched monoolefins
06/12/1984US4454344 Method for the resolution of racemic 2-(p-difluoromethoxyphenyl)-3-methylbutyric acid
06/07/1984WO1984000362A3 New d-mannite derivatives as starting products for the synthesis of phospholipids
06/05/1984US4453024 Process for the meta-hydroxylation of alkylphenols and the ethers thereof in a superacidic medium
06/05/1984US4453023 Molecular weight control using a phosphorite acid or phosphate
06/05/1984US4453022 Process for preparing nonionic surfactants-oxyalkylation with calcium and/or strontium catalysts
06/05/1984US4453018 Process for the alkylation of phenolic compounds with alkyl sulfites
06/05/1984US4453017 Process for the methylation of phenolic compounds with trimethyl phosphate
06/05/1984US4453013 B-damascenone
06/05/1984US4453004 A melt-phase reaction with an alkyl ester or halide
05/1984
05/29/1984CA1168207A1 Method for promoting the activity of cation- exchangeable layered clay and zeolite catalysts in proton-catalysed reactions
05/22/1984US4450308 Process for the preparation of trifluoromethylphenyl oxyphenyl ether compounds
05/22/1984US4450306 Selective catalytic alkylation of phenols to alkyl aryl ethers
05/22/1984US4450304 Nonionic surfactants; aqueous pigment, dye and optical brightener dispersions; printing inks
05/16/1984EP0108322A2 Ketene-O,O-acetates and process for their preparation
05/15/1984US4448993 Catalyst of silica gel impregnated with aluminum hydride
05/15/1984US4448991 Cyclohexene derivatives
05/15/1984US4448977 Stabilized acetal-acid compositions
05/15/1984US4448643 Isolation of isobutene from C4 -hydrocarbon mixtures containing isobutene
05/15/1984CA1167473A1 Process for preparing the mono-methallyl ether of pyrocatechin
05/09/1984EP0107978A1 Octabromobiphenyl oxide
05/09/1984EP0107806A1 Process for preparing optically active derivatives of hydroquinone and d-alpha-tocopherol
05/08/1984US4447660 In presence of liquid superacids
05/08/1984US4447653 Adsorbent regeneration in integrated etherification process
05/08/1984US4447652 Reacting a phenol with an olefin in presence of cationic exchange resin
05/08/1984US4447651 1,4-Bis-(4-chloro-2-methoxystyryl)-benzene
05/08/1984US4447650 Chlordmethyl methyl carbonate and lewis acid catalysis
05/08/1984CA1167070A1 Surface-active nonionic polyoxyethylenes containing two lipophilic chains, their preparation and compositions containing these products
05/02/1984EP0107620A1 Phenol derivatives
05/02/1984EP0107008A1 9,10-bis(phenylethynyl)-anthracenes
05/01/1984US4446298 Branched copolycarbonate from triphenol
05/01/1984CA1166639A1 Pharmacologically active 4-¬2-hydroxy-4- (substituted)phenyl|naphthalen-2(1h)-ones and 2- ols, derivatives thereof and intermediates therefor
04/1984
04/24/1984EP0086822A4 Process for the production of methyl halides and methyl alcohol from methane.
04/18/1984EP0105487A1 Process for preparing polyacetal polymers and monomers employed therein
04/18/1984EP0042412B1 Method of synthesizing fluoromethylhexafluoroisopropyl ether
04/17/1984US4443634 Purification, atomizing
04/17/1984US4443466 Diuretics, sedatives, analgesics
04/11/1984EP0105166A1 Substituted tert. butanol derivatives, method for their preparation and antimycotic agents containing them
04/11/1984EP0105080A2 A method for alkoxylation
04/10/1984CA1165325A1 Process for the in-solvent, in-situ generation of haloalkyl alkyl ethers useful to produce n- substituted-2-haloacetanilides
04/04/1984EP0104908A1 Arthropodicidal compounds
04/04/1984EP0104602A2 Ether-containing perfume compositions
04/04/1984EP0104598A1 Method for producing ethers from highly hindered phenols or salts thereof and carbonates
04/04/1984EP0104327A2 Use of cyclic derivatives as components of liquid cristals
04/04/1984EP0104309A2 Catalysts for alkoxylation reactions
04/04/1984EP0042408B1 Methods of synthesizing hexafluoroisopropanol from impure mixtures and synthesis of a fluoromethyl ether therefrom
04/03/1984US4440963 Production of MTBE and ETBE
04/03/1984US4440959 Chlorination of vinyl acetate; distillation of byproducts; neutralization
04/03/1984US4440958 Adding a strong acid; esterification, etherification, hydration and cracking reactions
04/03/1984CA1164849A1 Process for substitution of aromatic organic compounds
03/1984
03/29/1984WO1984001147A1 Arthropodicidal compounds
03/28/1984EP0104066A2 5-Halovinyl-2'-deoxyuridine derivatives
03/28/1984EP0103870A2 Combined ether and alkylate production
03/27/1984US4439518 Process for the production of a photographic image
03/26/1984EP0070304A4 Partial oxidation system.
03/21/1984EP0103273A1 Process for the preparation of glycerol ethers, and their use