Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 27 - Processes involving the simultaneous production of more than one class of oxygen-containing compounds
Patents for C07C 27 - Processes involving the simultaneous production of more than one class of oxygen-containing compounds (9,977)
11/1991
11/26/1991US5068464 Process for the oxidation of hydrocarbons utilizing partitioning of oxidizing gas
11/26/1991US5068403 Intermediates useful in the production of pesticides
11/26/1991US5068214 Impregnation a support with a solution of a platinum derivative and a cobalt salt, evaporation of a solvent and heating in hydrogen
11/19/1991US5066815 Asymmetric hydrogenation of ketone, ruthenium-phosphine catalyst
11/12/1991US5064804 Metal vanadates, molybdates, or tungsttes for hydrolysis
11/12/1991CA1292002C Propanol derivatives
11/06/1991EP0455261A1 Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes
11/06/1991CN1055914A Process for producing unsaturated aldehydes and unsaturayed acids
11/06/1991CN1014605B Process for preparing nitrile fatty acid and glycerin with glyceride
11/05/1991US5063250 From synthesis gas
11/05/1991CA2041798A1 Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes
10/1991
10/31/1991WO1991016289A1 Recovery of ethylene glycol and dimethyl terephthalate from polyethylene terephthalate
10/30/1991EP0260300B1 Process for the preparation of styrenated hydroquinone
10/30/1991CN1055730A 制备甲醇的方法 The method of preparing methanol
10/29/1991US5061671 Supported noble metal and rhenium
10/23/1991EP0453021A1 Process for preparing a cycloalkanone and/or cycloalkanol
10/23/1991EP0452411A1 Acid catalyzed process
10/22/1991US5059718 Oxo process for increasing yield of oxo alcohol
10/22/1991CA1291169C Preparation process of 4-(4-hydroxophenyl)- cyclohaxanol
10/22/1991CA1291146C Molybdenum/alkali metal/ethylene glycol complexes useful as epoxidation catalysts
10/16/1991CN1055360A Catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
10/15/1991CA2040378A1 Process for preparing a cycloalkanone and/or cycloalkanol
10/09/1991EP0450596A2 Process for producing unsaturated aldehydes and unsaturated acids
10/09/1991EP0450498A1 Process for removing impurities from the mixture of cyclohexanone and cyclohexanol
10/08/1991US5055613 Metabolites of pentanedioic acid derivatives
10/08/1991CA1290350C Hydroformylation catalyst removal
10/08/1991CA1290313C Catalytic system for epoxidation of alkenes
10/02/1991CN1014144B Prepn. for bisphenol a
10/01/1991US5053560 Feeding agqeuous potassium hydroxide with excess tert-butanol; methylcyclohexane or heptane as withdrawing agent
10/01/1991US5053547 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
10/01/1991CA1289936C Fluorine-containing catalytic system for epoxidation of alkenes
09/1991
09/25/1991EP0448019A2 Method of preparing methanol
09/24/1991US5051528 Recovery process for ethylene glycol and dimethylterephthalate
09/24/1991CA1289575C Process for making meta-alkyl phenols
09/17/1991US5049497 Novel process for the synthesis of the enantiomers of bicyclo(4.2.0)oct-2-en-7-one and derivatives
09/17/1991US5049455 Amphiphilic anthracene derivative
09/17/1991CA1289078C Pharmaceutical composition for the treatment of parkinson's disease
09/11/1991CN1013858B Preparation of eicosapentaenoic acid (epa), docosahexenoic acid (dha) and their esters by separation
09/10/1991US5047575 Norbornene carboxylic acids and esters
09/10/1991US5047377 Process for the purification and recovery of the contaminated solution of the catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
09/10/1991CA1288715C Organofluorine compounds and a biochemical process for their preparation
09/05/1991WO1991013049A1 Chemical alteration of a hydrophobic substance in polymeric microregions
09/04/1991EP0444742A1 Ester/alcohol synthesis
09/03/1991US5045122 Alcohol or glycol, aprotic solvent, alkoxide or hydroxide
08/1991
08/28/1991CN1054060A Hydrogenation with cu-al-x catalysts
08/27/1991US5043495 Complexing with tertiary diamine compound
08/27/1991US5043485 Process for the hydrogenation of fatty acid methyl ester mixtures
08/27/1991US5043483 With acid catalyst and solvent for selective yield of mono-alkylated product
08/27/1991CA1288107C Leukotriene antagonists
08/21/1991EP0239643B1 Process for oxidizing 2,6-diisopropylnaphthalene
08/21/1991CN1013577B Process for production of glycerol form formaldehyde
08/21/1991CN1013576B Downflow isomerization of exoxides
08/20/1991US5041682 Working up reaction mixtures containing cyclohexanol cyclohexanone and cyclohexyl hydroperoxide
08/20/1991US5041639 Polysubstituted derivatives of naphtalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
08/20/1991US5041283 Cosmetic composition
08/13/1991US5039710 Viricides, antitumor agents
08/07/1991EP0210203B1 Propanol derivatives
07/1991
07/31/1991EP0438761A1 A method for preparing a water-gas and hydroformulating catalyst
07/31/1991CN1013364B Preparation method of bisphenol a
07/31/1991CN1013362B Process for producing hydroxybenzenes
07/30/1991CA1287015C Process for the production of dichlorohydrin
07/24/1991EP0281627B1 Process for reducing aldehydes or ketones
07/23/1991US5034052 Fungicides containing a triazole or imidazole alcohols, also used as plant growth regulators
07/23/1991CA1286693C Cholecalciferol derivatives
07/09/1991US5030739 Formation Of Hydroperoxides Using An N-Hydroxydicarboxylic Acid Imide As Catalyst
07/09/1991US5030609 Process for producing a hydrogenation catalyst of copper chromite
06/1991
06/26/1991EP0434485A1 Method of production of phenol
06/26/1991EP0434062A1 Hydrogenation with Cu-A1-X catalysts
06/25/1991US5026925 Hydroxylation of phenol using hydrogen peroxide
06/25/1991US5026732 Use of avarone for the control of AIDS and ARC
06/25/1991CA1285283C Tricyclo (6.2.1.0 , )undecanes useful as fragrance chemicals
06/22/1991CA2032985A1 Process for preparing phenol
06/22/1991CA2032777A1 Hydrogenation with cu-a1-x catalysts
06/15/1991WO1991009004A1 Ester hydrolysis and depolymerization of polyester and polycarbonate polymers
06/15/1991CA2069500A1 Ester hydrolysis and depolymerization of polyester and polycarbonate polymers
06/12/1991EP0431923A2 Process for producing 1,4-butanediol and tetrahydrofuran
06/12/1991EP0431841A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
06/11/1991US5023389 Selectivecy converting branched olefins, separation, oligomerization
06/09/1991CA2026939A1 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
06/04/1991US5021607 Titanium containing silicate catalyst
06/04/1991CA1284665C Process for hydroxymethylation
06/04/1991CA1284662C Phenol alkylation process
06/04/1991CA1284654C ¬4.2.0|bicyclooctane derivatives with valuable therapeutic properties
06/02/1991WO1991008047A1 Preparation of hetero-atoms(s) containing hydrocarbons
06/02/1991CA2069904A1 Preparation of hetero-atom(s) containing hydrocarbons
05/1991
05/28/1991CA1284491C Procedure for separating lignin and phenol from phenol solutions
05/28/1991CA1284486C Hydrogenation catalyst shapes
05/21/1991US5017719 Esters of arylbisperfluoroalkylcarbinols, and a process for the preparation of these compounds
05/14/1991US5015761 Esters and alcohol derivatives of dimethyltricyclo(6.2.01.6)un decanes as perfumes
05/14/1991US5015760 Process for the preparation of glyoxylic acid and glyoxylic acid derivatives
05/14/1991CA1284166C Electric machine with a closed cooling loop
05/08/1991EP0426290A2 Process for the production of detergent range alcohols and ketones
05/08/1991EP0425666A1 Process for producing methacrylic acid and methacrolein
05/01/1991CN1050994A Improved aldehyde hydrogenation catalyst and process
04/1991
04/30/1991US5012018 Polyprenyl composition of compounds and process for the production thereof
04/24/1991EP0423949A2 Membrane process for separation of organic liquids
04/23/1991US5010189 Processes for the preparation of 5-amino-4-hydroxy-valeric acid derivatives
04/17/1991CA2020532A1 Membrane process for separation of organic liquids
04/16/1991US5008473 Solvent extraction with cyclohexane
04/16/1991US5008471 Process for the preparation of rooperol
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