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)
12/1992
12/08/1992US5169981 Synthesis of alpha-substituted alkadienes
12/08/1992US5169869 Process for producing higher alcohols or n-paraffins from synthesis gas
12/08/1992US5168983 Process for removing impurities from the mixture of cyclohexanone and cyclohexanol
12/02/1992EP0515500A1 Circulating bed cofeed conversion reactor and method for converting light hydrocarbons to olefins, gasoline and methanol
12/02/1992CN1066608A Catalyst for hydrogenating reaction of diacetone alcohol
12/01/1992CA1310982C Process for making 1,3-diols from epoxides
12/01/1992CA1310981C Process for preparing mixture containing 2-campholenylidenbutanol, product produced thereby and perfumery uses thereof
12/01/1992CA1310980C Process for the oxidation of hydrocarbons utilizing partitioning of oxidizing gas
12/01/1992CA1310979C Alkane catalytic oxidation process into mixtures of alcohols and ketones
12/01/1992CA1310933C Process for the purifying distillation of crude sec-butyl alcohol
11/1992
11/29/1992CA2043419A1 Synthesis of hydroxyl-terminated polybutadienes using glycol ether solvents
11/26/1992WO1992020677A1 Heterocyclic chiral ligands and method for catalytic asymmetric dihydroxylation of olefins
11/26/1992WO1992020447A1 Hydrogenation catalyst, process for preparing and process of using said catalyst
11/26/1992WO1992007648A3 Electro-synthesis of alcohols and carboxylic acids from corresponding metal salts
11/25/1992EP0515116A2 Molybdenum recovery
11/25/1992CN1019191B Insecticidal ethers
11/24/1992US5166413 Reaction of aldehyde in the presence of phase transfer catalyst
11/24/1992US5166370 Catalytic hydrogenation of hydroxyalkanal in the presence of transition metal on a support
11/24/1992CA1310660C B, -dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compound
11/21/1992CA2068603A1 Removal of trace quantities of molybdenum
11/19/1992EP0513142A1 Hydroxy containing fluorovinyl compounds and polymers thereof.
11/19/1992EP0458848B1 Process and apparatus for exothermic reactions
11/18/1992CN1019110B Transition metal complex catalyze reaction
11/18/1992CN1019109B Diphenyl ether derivatives pesticide compound
11/17/1992CA1310293C Electrolytic preparation of perfluoroalkanoic acids and perfluoroalkanols
11/12/1992WO1992019623A1 Highly reactive form of copper and reagents thereof
11/12/1992WO1992019579A1 Manufacture of neopentyl glycol (i)
11/12/1992DE4215014A1 Working up poly:ol obtd. by alcoholysis of polyurethane scrap - by mixing with liq. reagent, esp. contg. epoxide cpds., which reacts with amino gps. in the by=products to form isocyanate reactive cpds.
11/11/1992CN1066053A Process for producing desulfurized fats and oils or fatty acid esters and process for producing alcohols by using said desulfurized fats and oils or fatty acid esters
11/10/1992US5162593 Tertiary butyl alcohol preparation
11/10/1992US5162517 Process for the preparation of epimer-free sugar alcohols from the group consisting of xylitol, sorbitol (D-glucitol), 4-O-β-D-galactopyranosyl-D-glucitol and 4-O-α-D-glucopyranosyl-D-sorbitol
11/04/1992WO1992020163A1 Transmitter filter with integral directional coupler for cellular telephones
11/04/1992EP0479780A4 Homogeneous catalyst formulations for methanol production
11/03/1992US5160680 Heating, extrusion
11/03/1992US5160585 Separation of tetrachloroethylene from a butyl alcohol by extractive distillation
11/03/1992US5160498 Hydrogenation of p-tert-butyl phenol, rhodium catalyst, boron fluoride cocatalyst
11/03/1992US5160497 Phenol production process
11/03/1992US5160046 Membrane separation process
11/03/1992US5160044 Supercritical extraction
11/03/1992CA2063751A1 Synthesis of hydroxyl-terminated polybutadienes using glycol ether acetate solvents
10/1992
10/29/1992WO1992009545A3 New methods for the catalytic reduction of organic substrates
10/28/1992EP0511036A1 Synthesis intermediaries with an hexanic ring, and process for their preparation
10/28/1992EP0510238A1 Process for producing lower poliols and mixtures thereof
10/27/1992US5159125 Catalyzed vapor phased process for making alcohols
10/27/1992US5159124 Mixing with aqueous alkaline earth hydroxide to separate fatty acid salts
10/27/1992US5159123 Synthesis of hydroxyl-terminated polybutadienes using glycol ether acetate solvents
10/27/1992US5159093 Iridium-optically active phosphine complex and process for producing optically active alcohols using the same
10/27/1992US5158789 Melt cocrystallized sorbitol/xylitol compositions
10/27/1992US5158652 Distillation at different pressures; recycling ethanol
10/27/1992US5158651 Distillation, centrifuging
10/27/1992CA2066796A1 Method of producing lower polyols and mixtures thereof
10/22/1992DE4117049A1 Recycling lye extracted from cellulose@ mfg. plant - has recycling system incorporated to separate valuable material from lye for re-use in plant
10/21/1992CN1065413A Catalyst system and process for liquid-phase production of methanol from synthesis gas
10/20/1992US5157168 Hydrrogenation of lower alkyl esters
10/16/1992CA2040458A1 Conversion of methane
10/14/1992EP0508918A1 Method for production of alcohols by low pressure hydrogen- ation of carbonyl-containing compounds using palladium on zinc oxide catalysts.
10/14/1992EP0508657A2 Integrated process for producing ethanol, methanol and butyl ethers
10/14/1992EP0508385A1 Method for the production of vicinal diols and/or epoxides
10/13/1992US5155247 Use of organorhenium compounds for the oxidation of multiple C--C-bonds, oxidation processes based theron and novel organorhenium compounds
10/13/1992US5155086 Powder of copper, zinc, aluminum oxides
10/13/1992US5154853 Alkylating branches of multi-branch core alkyl compound with alkyne building lbock having ether side chains; reducing; deprotecting; functionalizing
10/13/1992CA1308740C Process for producing methanol
10/13/1992CA1308731C Nona-1,3,5-triene derivatives; process for preparing them and their use
10/07/1992EP0507076A1 Method for separating ethyl tert-butyl ether from mixtures with ethanol
10/07/1992EP0496834A4 Process for the conversion of carbonaceous feedstocks to particulate carbon and methanol
10/07/1992CN1065103A Methyl alcohol synthesizing method
10/06/1992US5153344 Vitamin E intermediates and a process for their manufacture and conversion into vitamin E
10/06/1992US5152898 Separation of organic oxygenates
10/06/1992US5152876 Separation of methylene chloride from the lower alcohols by extractive distillation
10/01/1992WO1992016536A1 Chiral phosphines
10/01/1992WO1992016534A1 Recovery of phytic and/or lactic acid and direct retrieval of inositol
10/01/1992WO1992016487A1 Process for preparing an alkanone and/or alkanol
10/01/1992CA2106081A1 Recovery of phytic and/or lactic acid and direct retrieval of inositol
09/1992
09/29/1992US5151190 Method for separating a liquid mixture
09/29/1992CA1308120C Aldehydes, acetals, alcohols and ethers having 3-methyl- or 3,5-dimethyl-benzyl groups, their manufacture and perfume materials containing same
09/29/1992CA1308096C Porphyrins, their syntheses and uses thereof
09/24/1992DE4109058A1 Recovering tri:methylol:propane from by=product rich mixts. - by partition between an aq. phase and an organic phase contg. di:chloromethane and acetonitrile, and isolation from the aq. phase
09/23/1992EP0504981A1 Catalyst system and process for the liquid-phase production of methanol from synthesis gas
09/23/1992EP0504285A1 Fluorocarbon compounds and processes for preparation thereof.
09/23/1992CA2063102A1 Catalyst system and process for the liquid-phase production of methanol from synthesis gas
09/22/1992US5149861 Recovery of trialkylamines and methyl formate from mixtures obtained in the preparation of trimethylolalkanes
09/22/1992US5149680 Platinum group metal alloy catalysts for hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
09/17/1992WO1992015542A1 Process for controlling a chemical process
09/17/1992DE4108351A1 Neue leukotrien-b(pfeil abwaerts)4(pfeil abwaerts)-derivate, verfahren zu ihrer herstellung und ihre verwendung als arzneimittel New leukotriene b (Down Arrow) 4 (down arrow) derivatives, process for their production and their use as drug
09/17/1992DE4107773A1 Verfahren zur beeinflussung eines chemischen prozesses Method for influencing a chemical process
09/16/1992EP0503229A1 Method for production of catalyst for hydration of olefins to alcohols
09/16/1992EP0502914A1 Preparation of hetero-atoms(s) containing hydrocarbons
09/16/1992CN1064474A Method for converting light hydrocarbons to olefins, gasoline and methanol
09/15/1992CA1307492C Gas and alcohol recovery process
09/13/1992WO1992016504A1 New leukotriene b4 derivatives, method for preparing them and their use as drugs
09/13/1992CA2082818A1 Leukotriene b4 derivatives, method for preparing them and their use as drugs
09/09/1992EP0371037B1 Methanol synthesis catalyst
09/08/1992US5146012 From isobutraldehyde and paraformaldehyde, mixed with an alcohol by catalytic hydrogenation
09/08/1992US5146011 Preparation of chlorohydrins
09/08/1992US5146009 Esterification of inorganic acid with olefin, hydrolysis to obtain alcohol, permselectivity
09/08/1992US5146004 Reaction of ethyl hexanal, aqueous formaldehyde in presence of tertiapy amine, hydrogenation
09/08/1992CA2062473A1 Process for the separation of ethyltertiobutylether from ethanol mixtures
09/03/1992WO1992014738A1 Catalytic process for converting hydrocarbonaceous feeds, particularly lower alkanes to esters, alcohols, and optionally to hydrocarbons
09/03/1992WO1992014543A1 Unimolecular micelles and method of making the same
09/02/1992EP0501331A2 Staged liquid phase methanol process