Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
05/1989
05/09/1989US4828765 Water flow through a pipe
05/09/1989US4828702 Countercurrent extraction, solvent in liquid or supercritical state
05/09/1989US4828652 Aminoguanidine, distillation
05/09/1989CA1253886A1 Process for producing methyl tertiary butyl ether
05/09/1989CA1253885A1 Substituted phenyl ethers, process for their preparation, and their use in the preparation of substituted phenols
05/09/1989CA1253884A1 Process for producing 2,6-naphthalenediol
05/09/1989CA1253882A1 Dinitrobenzophenone solution and process for preparing an ether solution of diaminobenzophenones therefrom
05/09/1989CA1253881A1 4-amino-n-(1-phenylethyl)benzamide enantiomers
05/09/1989CA1253880A1 Gas-liquid process for preparing isobutyryl fluoride and reactor therefor
05/09/1989CA1253879A1 Process for preparing monochloroacetic acid from glycolic acid
05/09/1989CA1253878A1 Process for preparing monohalohydroquinone mono and dicarboxylates
05/09/1989CA1253877A1 Process for the preparation of carboxylic acid esters of hydroxy sulfonates
05/09/1989CA1253873A1 Process for the preparation of sulphurized overbased salicylates
05/09/1989CA1253872A1 Process for the preparation of sulphurized salicylates
05/09/1989CA1253867A1 Process for the preparation of monocarbonyl or biscarbonyl compounds
05/09/1989CA1253865A1 1,4-dihydro having a basic amino-containing group attached to the 2-position as anti-ischaemic and antihypertensive agents
05/09/1989CA1253861A1 Process for the preparation of anthraquinone
05/09/1989CA1253860A1 1,8-diacyloxy-10-acyl-anthrones and process for preparing the same
05/09/1989CA1253859A1 10-aryl-1,8-dihydroxy-anthrones and esters thereof; process for preparing the same
05/09/1989CA1253843A1 Carrier-supported catalyst for making monocarboxylic anhydrides
05/09/1989CA1253842A1 Preparation of catalysts made up of copper, zinc, aluminum and at least one metal from rare earth and zirconium grouping, and use of said catalysts for reaction by means of a synthesis gas
05/09/1989CA1253838A1 Synthesis of a crystalline silicoaluminophosphate
05/09/1989CA1253669A1 Generation of sulphur trioxide from oleum
05/05/1989WO1989003827A2 Processes for preparing alkylene and dialkyl ketals and alkyl alpha-enol ethers of alpha-acetyl cinnamic acids or esters thereof
05/05/1989WO1989003817A1 Process for the co-production of aromatic carboxylates and alkyl iodides
05/03/1989EP0314623A2 Substituted hydroxylamine ester stabilizers
05/03/1989EP0314583A1 Process for the hydroxylation of phenols and phenol-ethers
05/03/1989EP0314582A1 Method of hydroxylating phenols and phenol ethers
05/03/1989EP0314575A1 Process for the preparation of retinal
05/03/1989EP0314489A2 Reaction products of p-vinylphenol and polyisocyanates
05/03/1989EP0314422A2 N-phenylalkylbenzamide fungicides
05/03/1989EP0314380A1 Perfluoro(cycloaliphatic methyleneoxyalkylene)carbonyl fluorides and derivatives thereof
05/03/1989EP0314355A2 Separation process
05/03/1989EP0314212A2 Melt processable optically anisotropic polymers
05/03/1989EP0314162A2 Sulfur-containing nitroamino-benzene dyes, process and hair dye compositions
05/03/1989EP0314044A2 Improved process for the production of edible oils
05/03/1989EP0314007A1 Process for preparation of bisphenols aromats
05/03/1989EP0314003A2 Process for the preparation of 1-aryl alkenes-1
05/03/1989EP0313990A2 Synthesis of 1,4-dichlorobenzene
05/03/1989EP0313924A2 Process for the preparation of N-acetyl phenyl alanine
05/03/1989EP0313910A2 Process for the separation of the organochlorine compounds from the residual gas of the ethylene oxidation
05/03/1989EP0313908A2 Halogen-substituted phenoxyphenylpropionic acid derivatives
05/03/1989EP0313905A2 Process for the direct hydration of linear olefins
05/03/1989EP0313885A1 Esterified ephedrine derivatives with prolonged antiulcer activity
05/03/1989EP0313697A1 Leukotriene antagonists
05/03/1989EP0313604A1 Electro-optical liquid crystal display element.
05/03/1989EP0313559A1 Process for the production of aldehydes by hydroformylation.
05/03/1989CN1032659A Substituted tetralins, chromans and related compounds in treatment of asthma, arthritis and related diseases
05/03/1989CN1032655A Method of oxidation of cyclohexane in liquid phase
05/03/1989CN1032654A Catalysts for olefination of aldehyde and thier application
05/02/1989US4827078 Process for extracting paraffins from their mixtures with alkanesulfonic acids
05/02/1989US4827070 Process for the production of isobutylbenzene from an isobutenylcyclohexene
05/02/1989US4827066 Isothermal, adiabatic dehydrogenation, oxidation
05/02/1989US4827059 Hydroxylamine salt as by-product inhibitor
05/02/1989US4827058 Process for the removal of m-chlorotoluene from chlorotoluene mixtures
05/02/1989US4827057 Process for preparing 1,2-dichlorobenzene
05/02/1989US4827056 Hypochlorous acid
05/02/1989US4827055 Process for preparing vinylidene fluoride by the direct fluorination of vinylidene chloride
05/02/1989US4827050 Carbon dioxide extraction agent, hydrocarbon entrainer
05/02/1989US4827048 Method for one-step synthesis of methyl t-butyl ether
05/02/1989US4827047 Chlorination of nitrophenols
05/02/1989US4827044 Grignard reaction in presence of manganous double salt
05/02/1989US4827039 Automobile body parts
05/02/1989US4827035 Preparation of amines
05/02/1989US4827030 Biosynthesis with candida
05/02/1989US4827027 Acidification, solvnt extraction
05/02/1989US4827025 Oxidizing an alkyl aromatic compound with a heavy and-or bromine compound catalyst
05/02/1989US4827024 Process for the preparation of fluoroxy-halo-compounds
05/02/1989US4827023 Sulfone as reaction solvent
05/02/1989US4827022 Process for the preparation of dimethylmaleate
05/02/1989US4827021 Process for the preparation of alkyl 3-alkoxypropionates
05/02/1989US4827017 Novel carbacyclins, processes for their production and their use as medicinal agents
05/02/1989US4827015 Process for the production of aminomalonic acid dinitrile salts
05/02/1989US4827014 2-Hydroxy-3-aminopropionic-n,n-diacetic acid and derivatives thereof, preparation thereof, and detergents containing same
05/02/1989US4827013 (S) α-(cyano-3-phenoxy-benzyl acetate
05/02/1989US4827009 Hydrosilation process
05/02/1989US4827004 Antiulcer agents
05/02/1989US4827002 Process for preparing adducts of alcohols, ethers and esters with 1,2-dichlorodifluoroethylene
05/02/1989US4826996 1,8,-dihydroxy-9-anthrones substituted in the 10-position
05/02/1989US4826990 2-aryl substituted heterocyclic compounds as antiallergic and antiinflammatory agents
05/02/1989US4826969 Bicyclic naphthalenic derivatives, a process for preparing the same and human or veterinary medicines and cosmetic compositions containing said derivatives
05/02/1989US4826959 2,2'-Azobis(2,4-dimethylvaleronitrile) isomer mixture predominant in low melting isomer and having high solubility
05/02/1989US4826876 Without effect on heart
05/02/1989US4826873 Antihypoxic, antiamnesia, liver disorders
05/02/1989US4826804 Catalyst for oligomerization process
05/02/1989US4826803 Ruthenium-cerium oxide
05/02/1989US4826802 Method for preparation of antimony and tellurium-containing metal oxide catalysts
05/02/1989US4826800 Syngas conversion catalyst
05/02/1989US4826799 Shaped catalyst and process for making it
05/02/1989US4826798 Copper-containing
05/02/1989US4826795 Group 8 and 6 metals on graphite support
05/02/1989US4826634 Fluorinated alkylamidosulphonates, their preparation, their use as flame retardants, and polycarbonate moulding compositions containing them
05/02/1989CA1253522A1 Process for the preparation of alkali metal alcoholates
05/02/1989CA1253520A1 N-(6-methoxy-5 (perfluoroalkyl)-1-naphthoyl)-n- methylglycines and their thionaphthoyl analogs
05/02/1989CA1253518A1 Hydroterphenyls
05/02/1989CA1253517A1 N-(CARBAMYLMETHYL)-.alpha.-HALOACETANILIDE COMPOUNDS
05/02/1989CA1253516A1 Substituted 4-fluorothiocarbanilide herbicidal compounds and methods of use
05/02/1989CA1253514A1 Complexing agents, complexes and complex salts
05/02/1989CA1253512A1 Process for producing alcohols
05/02/1989CA1253503A1 Arylsulfone compounds
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