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) |
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01/02/1992 | EP0463762A2 Process of centrifugally removing inorganic compounds from polyester glycol recovery bottoms |
01/01/1992 | CN1057450A Process for preparing 1,1-di(chlorophenyl)-2,2,2 trichloroethanol |
01/01/1992 | CN1057407A Hydrogenation catalyst and process for producing same |
12/31/1991 | US5077442 Method for producing 1,4-butanediol |
12/31/1991 | US5077394 Tetraphenyl-type with electronegative substituents; oxidation catalysts for alkanes and alkenes |
12/31/1991 | US5077046 Polyprenyl composition or compounds and process for the production thereof |
12/31/1991 | US5076896 Extracting with water, fractionating |
12/27/1991 | EP0259450B1 Process for the preparation of tribromotetramethylbiphenol and related compounds |
12/24/1991 | US5075513 Fungicides |
12/24/1991 | US5075512 Dissolving in polar solvent mixture, then solvent extraction with n-decane; reuse |
12/24/1991 | US5075473 Process for the preparation of aluminum oxide carboxylate polymers containing at most two percent by weight of ester |
12/18/1991 | EP0461988A1 Reactor with a lower and/or an upper wall comprising a layer of flexible refractory material and its use |
12/17/1991 | US5073650 Preparation of 1,4-butanediol |
12/17/1991 | US5073538 Cycloalkylidene derivatives and fragrance composition |
12/12/1991 | WO1991018857A1 Process for the preparation of perfluoroalkylethyl alcohols |
12/12/1991 | WO1991018856A1 Methyl alcohol process |
12/12/1991 | CA2044019A1 Process for centrifugally removing inorganic compounds from polyester glycol recovery bottoms |
12/11/1991 | EP0460977A1 Process for reducing the amount of DDT-related impurities in 1,1-bis (chlorophenyl)-2,2,2-trichloroethanol |
12/11/1991 | EP0460240A1 Catalyst for hydrogenation, dehydrosilylation or hydrosilylation, and its use |
12/11/1991 | EP0460196A1 Treatment of impurity-containing liquid streams in ethylene oxide/glycol processes with semi-permeable membranes. |
12/11/1991 | EP0460119A1 Process for producing esters of (meth)acrylic acid |
12/11/1991 | EP0452411A4 Acid catalyzed process |
12/11/1991 | CN1056866A Process for one-stage synthesizing alpha-terpinol with optical activity |
12/11/1991 | CN1056865A Calalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same |
12/10/1991 | US5072060 Reacting normal alkane with formaldehyde, paraformaldehyde or trioxane in presence of free-radical initiator |
12/10/1991 | US5072059 Two-step monoethylene glycol preparation process |
12/10/1991 | US5072058 Process for the preparation of 2,2-dimethylpropane-1,3-diol |
12/10/1991 | US5072057 Isomeric alcohol mixture for producing plasticizers and surfac tants |
12/10/1991 | US5072056 Synthesis of 2-phenyl-1,3-propanediol |
12/10/1991 | US5071868 Beta blockers, vasodilators, therapy for glaucoma |
12/10/1991 | US5071813 Carbides, nitrides, or carbonitrides of molybdenum, tungsten, iron, cobalt, nickel |
12/10/1991 | US5071627 Reactor system for conducting a chemical conversion |
12/10/1991 | US5071572 Production of alcohols |
12/04/1991 | EP0459861A1 Oxidising activation of carbon-hydrogen bonds by hydrogen peroxide, medium and process for carrying it out |
12/04/1991 | EP0459471A1 Method for photosynthesis of organic substances from carbon dioxide and water |
12/04/1991 | EP0295283B1 Improvements in or relating to the formation of metal alkoxides and metal powders by the use of microwave radiation |
12/04/1991 | EP0253827B1 Catalyst system and process for producing alcohols from olefines and synthesis gases |
12/04/1991 | CN1056678A Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes |
12/03/1991 | US5070073 Substituted cyclopentenyl-oxabicyclooctanes, cyclopentenyl-formylcyclohexenes and cyclopentenyl-hydroxymethyl cyclohexenes, processes for preparing same and organoleptic uses thereof |
12/03/1991 | US5070058 Method for making a catalyst composition used in the production of lower aliphatic alcohols |
12/03/1991 | US5070016 Hydrogenation of carbon dioxide formed in ethanol synthesis; g eneration of steam; steam reforming; dehydrogenation of isobut ane; etherification |
12/03/1991 | CA1292753C Process for the hydroformylation of sulfur-containing thermally cracked petroleum residua |
12/02/1991 | CA2043335A1 Method for photosynthesis of organic substances from carbon dioxide and water |
12/01/1991 | CA2043529A1 Oxidatively activating of carbon-hydrogen bonds with hydrogen peroxide; medium and process therefor |
11/27/1991 | CN1056486A Process for preparing solanesol from mouldy tobacco or tobacco waste |
11/27/1991 | CN1056485A Process for preparing cycloalkanone and/or cycloalkanol |
11/26/1991 | US5068469 Reaction of a saturated aldehyde with an alcohol |
11/26/1991 | US5068468 Catalytic hydrogenation with a catalyst of nickel oxide, zirconium oxide, silicon dioxide, aluminum oxide and copper oxide |
11/26/1991 | US5068467 Process for production of solid sorbitol |
11/26/1991 | US5068466 Catalytic dehydrogenation of 8-hydroxymenthene as a perfume |
11/26/1991 | US5068464 Process for the oxidation of hydrocarbons utilizing partitioning of oxidizing gas |
11/26/1991 | US5068368 Stabilized lithium acetylide and reactions therewith |
11/26/1991 | US5068214 Impregnation a support with a solution of a platinum derivative and a cobalt salt, evaporation of a solvent and heating in hydrogen |
11/21/1991 | EP0457022A1 Optically active aliphatic alcohols and their application as perfume ingredients |
11/20/1991 | CN1056263A Polyphase reactor with big boundary area |
11/19/1991 | US5066815 Asymmetric hydrogenation of ketone, ruthenium-phosphine catalyst |
11/19/1991 | US5066403 Polytetrafluoroethylene bonded to perflurosulfonic acid polymer |
11/18/1991 | WO1991018132A1 Process for preparing optically pure 1,4-diols |
11/14/1991 | DE4014736A1 Guerbet alcohol(s) prodn. - by condensn. of prim. linear alkanol(s) in presence of alkali and catalyst mixt. of iron-III sulphate, basic copper carbonate and nickel |
11/12/1991 | US5064804 Metal vanadates, molybdates, or tungsttes for hydrolysis |
11/12/1991 | CA1292002C Propanol derivatives |
11/06/1991 | EP0455261A1 Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes |
11/06/1991 | EP0455257A2 Catalysts for producing 1,3-diols and/or 3-hydroxy-aldehydes, and processes for making and using same |
11/06/1991 | EP0454742A1 Process for producing guerbet alcohols |
11/06/1991 | EP0454720A1 Process. |
11/06/1991 | EP0454704A1 Process for the production of fatty alcohols. |
11/06/1991 | CN1014605B Process for preparing nitrile fatty acid and glycerin with glyceride |
11/05/1991 | US5063250 From synthesis gas |
11/05/1991 | US5063194 Palladium catalyst |
11/05/1991 | CA2041840A1 Catalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same |
11/05/1991 | CA2041798A1 Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes |
10/31/1991 | WO1991016322A2 Heterocyclic chiral ligands and method for catalytic asymmetric dihydroxylation of olefins |
10/31/1991 | WO1991016290A1 Synthesis of cyclitols from substituted arene diols |
10/31/1991 | WO1991016288A1 Process for separating impurities from aqueous solution of crude ethanol |
10/30/1991 | EP0454337A1 Catalyst pretreatment for olefin hydration |
10/30/1991 | EP0453948A2 Method for producing 1,4-butanediol |
10/30/1991 | EP0453920A1 Method for the purification of alpha-bisabolol |
10/30/1991 | EP0453569A1 Manufacture of absolute alcohol |
10/30/1991 | CN1055730A 制备甲醇的方法 The method of preparing methanol |
10/29/1991 | US5061671 Supported noble metal and rhenium |
10/27/1991 | CA2040695A1 Catalyst pretreatment for olefin hydration |
10/23/1991 | EP0453021A1 Process for preparing a cycloalkanone and/or cycloalkanol |
10/23/1991 | EP0452574A1 Improved contacting between plural distinct fluid phases contained in a vertically disposed vessel |
10/23/1991 | EP0452411A1 Acid catalyzed process |
10/22/1991 | US5059720 Hydroxy containing fluorovinyl compounds and polymers thereof |
10/22/1991 | US5059718 Oxo process for increasing yield of oxo alcohol |
10/22/1991 | US5059288 Recovery of isopropyl acetate and ethanol from an isopropyl acetate, ethanol and water-containing stream |
10/22/1991 | CA1291146C Molybdenum/alkali metal/ethylene glycol complexes useful as epoxidation catalysts |
10/17/1991 | WO1991015446A1 Process for recovering natural gas in the form of a normally liquid carbon containing compound |
10/16/1991 | CN1055360A Catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters |
10/15/1991 | US5057631 Process for continuous production of octa-2,7-dien-1-ol |
10/15/1991 | CA2040378A1 Process for preparing a cycloalkanone and/or cycloalkanol |
10/09/1991 | EP0450498A1 Process for removing impurities from the mixture of cyclohexanone and cyclohexanol |
10/09/1991 | CN1055127A Catalyzer to make alcohol by medium-pressurized hydrogenization of coconut and palm oil |
10/09/1991 | CN1014206B Synthesis reactor with reduced energy consumption |
10/08/1991 | US5055613 Metabolites of pentanedioic acid derivatives |
10/08/1991 | CA1290350C Hydroformylation catalyst removal |
10/08/1991 | CA1290141C Process, reactor and its use for gaseous phase oxidation of an oxidizable charge |
10/02/1991 | EP0448848A1 Hydroformylation of olefins |
10/01/1991 | US5053581 Stripping contaminants with hot methanic and steam; converting gas stream to carbon monoxide and hydrogen for synthesis step |