Patents
Patents for C07C 29 - Preparation of compounds having hydroxy or o-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring (31,270)
07/1988
07/26/1988US4760171 Reacting methanol, carbon monoxide and hydrogen in presence of cobalt phosphine carbonyl complex catalyst
07/26/1988US4759850 Membrane process for separating methanol from methanol/hydrocarbon solutions
07/26/1988CA1239596A1 Adsorption separation cycle
07/21/1988DE3700336A1 Method of processing reaction mixtures containing cyclohexyl hydrogen peroxide
07/20/1988EP0274909A2 Hydrocarbon oxidations catalyzed by azide- or nitride-activated metal coordination complexes
07/19/1988US4758600 Process for the manufacture of ethanol
07/19/1988US4758546 Preparation of catalysts, and their use in hydrogenation and amination reactions
07/19/1988CA1239418A1 Polyphosphazene process
07/19/1988CA1239417A1 Polyphosphazene process
07/14/1988WO1988005035A1 Improvements in or relating to the formation of metal alkoxides and metal powders by the use of microwave radiation
07/13/1988EP0274226A1 Process for the production of glycerol from formaldehyde
07/12/1988US4756803 Distilling in the presence of a benzoate containing 8 to 14 carbons as extractive agent
07/07/1988DE3642635A1 Process for the direct hydrogenation of glyceride oils in the pressure range from 20 to 49.9 bar
07/06/1988EP0273267A2 Method of separating a particular component from its liquid solution
07/06/1988EP0273173A2 Process for the preparation of fatty acid nitriles and glycerin from glycerides
07/05/1988US4755362 Inserting two perforated walls into catalyst bed, one with unperforated top portion, applying sealed annular bottom
07/05/1988US4755329 Process and intermediates for preparing 1α-hydroxyvitamin D compounds
07/05/1988US4755297 Continuous countercurrent membrane column for the separation of solute/solvent and solvent/solvent systems
06/1988
06/30/1988DE3641774A1 Process for the preparation of a mixture of methanol and higher alcohols
06/29/1988EP0272674A2 Process for producing 2,6-dichlorobenzyl alcohol
06/29/1988EP0272580A2 Liquidcrystalline cyclohexylbenzene derivatives their manufacturing and novel nematic admixtures containing same
06/28/1988US4754082 Dehydrohalogenation of perfluoroalkylhalohydrins
06/22/1988EP0272146A2 Isopropyl alcohol purification process
06/21/1988US4752623 Mixed alcohols production from syngas
06/21/1988US4752622 Process for producing alcohols from synthesis gas
06/20/1988EP0259450A4 Process for the preparation of tribromotetramethylbiphenol and related compounds.
06/16/1988WO1988004287A1 Process for the production of glycerol from formaldehyde
06/15/1988EP0271092A1 Method of reducing nitrile into a corresponding alcohol
06/15/1988CN87108109A Improved aldehyde hydrogenation catalyst and process
06/15/1988CN87105309A Method for preparing methanol
06/14/1988US4751334 Catalytic vapor phase hydrogenolysis of dicarboxylic acid ester
06/14/1988US4751248 Multistage catalysts zones of cobalt and copper and oxides of cobalt, copper, magnesium, and zinc
06/08/1988EP0270468A2 Process for preparing a mixture containing cyclohexanol and cyclohexanone from cyclohexane
06/08/1988EP0269888A1 Aldehyde hydrogenation catalyst and process
06/08/1988EP0269854A2 Process for reducing energy consumption in multi-unit reactors for heterogeneoussynthesis and related reactors
06/08/1988CN87107596A System for reducing energy consumption in mull-unit reactors for heterogeneous synthesis and related reactors
06/07/1988US4749724 Catalysts of molybdenum and tungsten elements or compounds; alkali or alkaline earth promoters
06/07/1988US4749495 Process for separating oxygenous organic compounds from aqueous media
06/01/1988EP0269281A1 Catalytic decomposition of impurities in tertiary butyl alcohol
06/01/1988EP0269009A2 Method for the production of carbinol derivatives
06/01/1988EP0268826A1 Process for the treatment of reactive mixtures containing cyclohexyl hydroperoxide
06/01/1988CN87107926A Process for preparing fatt acid nitrile and glycerin with glyceride
05/1988
05/31/1988US4748282 Process for the synthesis of mono- di-hydroxyfluoro-alkanes
05/31/1988US4748281 Methyl tert-butyl ether
05/31/1988US4748144 Delafossite mixed metal oxide catalysts and method for their preparation
05/24/1988US4746757 Process for producing (2-hydroxy-2-propyl)-naphthalene compounds
05/24/1988US4746680 Antidepressants
05/19/1988WO1988003436A1 Photochemical dimerization and functionalization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and silanes
05/18/1988EP0267759A2 Oxidation process of aromatic compounds
05/18/1988CN86107626A Prodn. of hexavalent alcohol from cane sugar
05/17/1988US4745234 Hydrogenation of aldehyde in presence of platinum catalyst
05/17/1988US4745204 Process for producing aluminum alkoxide or aluminum aryloxide
05/17/1988US4744869 Rectification, distillation
05/17/1988CA1236819A1 Catalyst and process for the synthesis of methanol and alcohol mixtures containing higher alcohols
05/17/1988CA1236685A1 Double pipe exothermic reactor
05/11/1988EP0267136A2 Quaternary ammonium salts used as phase transfer catalysts
05/11/1988EP0266976A1 Catalytic removal of peroxide contaminants from tertiary butyl alcohol
05/11/1988EP0266727A1 Process for hydrogenating carbon dioxide and catalyst
05/11/1988EP0266544A1 Process for the preparation of halogenated alcohols
05/10/1988US4743707 Adding potassium salt to aqueous solution, phase separation
05/10/1988US4743432 Noncommunicating catalyst beds
05/10/1988US4743343 Method of regenerating alcohol-based antifreezing liquid
05/10/1988CA1236486A1 Continuous process for producing 1,2-pentanediol
05/04/1988EP0266283A1 Process for the preparation of a mixture containing cyclohexanol and cyclohexanone starting from cyclohexane
05/03/1988US4742179 Catalytic removal of peroxide contaminants from tertiary butyl alcohol
05/03/1988US4742080 Therapeutic method for producing bronchodilation by administration of 15-deoxy-16-hydroxy prostaglandin esters
05/03/1988US4741894 Method of producing halide-free metal and hydroxides
05/03/1988CA1236117A1 Process for preparing pure fluoral and hexafluoroacetone hydrates from hemiacetals
04/1988
04/28/1988DE3636056A1 Process for working up reaction mixtures containing cyclohexyl hydroperoxide
04/27/1988EP0264823A1 Process for preparation of 2,3,5-trimethylhydroquinone
04/27/1988EP0264636A1 Process for the production of propanol
04/27/1988EP0138849B1 Process for the preparation of lineatin
04/26/1988US4740639 Producing, hydrogenating 2,4-disubstituted glutaraldehyde from formaldehyde and substituted aldehyde
04/26/1988US4740637 Reaction of organometallic compound with formaldehyde generated in situ from formaldehyde homopolymer
04/26/1988US4740631 Process for preparing ethers
04/26/1988US4740525 Carbon monoxide, hydrogen, rhodium-cobalt catalyst complex, solvent
04/26/1988CA1235580A1 Medium-load power-generating plant with integrated coal gasification plant
04/21/1988WO1988002744A1 Method of obtaining methanol
04/20/1988EP0264282A1 Recovery of methanol in an MTBE process
04/20/1988EP0264184A1 Molybdenum/alkali metal/ethylene glycol complexes useful as epoxidation catalysts and method for making the same
04/20/1988EP0264113A1 Pervaporation of phenols
04/20/1988CN87106285A 异戊二烯衍生物 Isoprene derivatives
04/19/1988US4739086 Reacting vanadium oxytrihalide with alkali metal alkoxide
04/19/1988US4739085 Hydrogenation and isomerization catalysts; optical selectivity; stability
04/19/1988US4739084 Ruthenium-phosphine complex
04/19/1988US4738946 High temperature stable catalyst and process for preparing same
04/13/1988EP0263259A2 Process and catalyst system for the trimerization of acetylene and acetylene compounds
04/12/1988US4737590 Prostaglandin intermediates
04/12/1988US4737516 Fungicides
04/12/1988CA1235109A1 Extraction of substances from aqueous solution
04/07/1988WO1988002360A1 A process for the hydroformylation of sulfur-containing thermally cracked petroleum residua and novel products thereof
04/06/1988EP0262310A1 Process for the isomerization of unbranched functionalised compounds with terminal double bonds
04/06/1988EP0262227A1 Process for the preparation of myoinositol derivatives
04/05/1988CA1234837A1 Continuous process for producing linear, secondary, aliphatic alcohols
03/1988
03/30/1988EP0261771A2 Manufacture of organic liquids
03/30/1988EP0261744A2 Cordierite compostion and method of production
03/30/1988EP0261554A2 Process for the purification of 1,3-propane diol
03/30/1988EP0261336A2 Process for the preparation of pure enantiomers of R-(+)-alpha-lipoic acid and S-(-)-alpha-lipoic acid (thioctic acid), and nonene or mesyl derivatives as intermediates therefor
03/30/1988CN87105641A Method of producing isopropanol and tertiary alcohols having 4 to 5 carbon atoms
03/29/1988US4734518 Process for cosynthesis of ethylene glycol and dimethyl carbonate