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)
12/1998
12/08/1998US5847189 Method for continuously producing a dialkyl carbonate and a diol
12/08/1998US5847117 Reagent and catalytic process useful for cleaving a protected functional group
12/08/1998US5846794 Process for the preparation of D-arabitol
12/03/1998WO1998053910A1 Moulded activated metallic fixed-bed catalyst
12/03/1998DE19721898A1 Geformter, aktivierter Metall-Festbettkatalysator Molded, activated metal fixed-bed catalyst
12/03/1998CA2290980A1 Moulded activated metallic fixed-bed catalyst
12/02/1998EP0881204A1 Polyene alcohol derivative and process for producing the same
12/02/1998EP0881203A1 Catalyst and process for hydrogenation to form 1,4-butane diol
12/02/1998EP0880491A1 Method of obtaining glycols having a low aldehyde content
12/02/1998CN1200718A Hydroformylation process
12/02/1998CN1200717A Process for preparing 4-bromo-1,1-difluorbut-1-ene and 2,4-dibromo-1,1,1-trifluorobutane
11/1998
11/26/1998WO1998052893A1 Process for producing 1,2-propanediol
11/26/1998WO1998052892A1 Method for producing alcohols containing cycloaliphatic groups
11/26/1998WO1998052891A1 Method for producing aliphatic alcohols
11/25/1998EP0879810A1 Process for the hydrolysis of alkylmonohalides
11/25/1998CN1200104A Process for separating butanol and dibutyl ether by means of dual-pressure distillation
11/24/1998US5841003 Reacting an alkylene oxide with carbon monoxide and hydrogen in an essentially non-water-miscible solvent in the presence of a non-phosphine-ligated cobalt catalyst and a lipophilic ruthenium promoter
11/24/1998US5841002 Catalytic aldol condensation of aldehydes and hydrogenationto form diols
11/24/1998US5841000 Continuously hydrolyzing 1,2-dibromoindane without isolating it
11/24/1998US5840969 Carbonylating methanol or methanol/dimethyl ether formed in the process stream
11/24/1998CA2006758C Method for preparing catalyst precursor for methanol synthesis
11/19/1998DE19720657A1 Verfahren zur Herstellung von aliphatischen Alkoholen Process for the preparation of aliphatic alcohols
11/18/1998EP0878234A2 Oxygenation catalyst and process for producing a ketone using the same
11/18/1998EP0877651A1 Improved double metal cyanide catalysts and methods for making them
11/18/1998EP0877607A1 Biphenyl compounds and use thereof as oestrogenic agents
11/18/1998EP0734369B1 Process for preparing intermediates for the synthesis of antifungal agents
11/18/1998EP0695284B1 Continuous production process of tertiary alcohols by radical addition of secondary alcohols to alkenes
11/18/1998CN1199390A Process for preparation of 1,4-butenediol
11/18/1998CN1199040A Process for preparation of o-secondary butyl phenol
11/18/1998CN1199039A Pentanol and its production process
11/18/1998CN1199038A Use of aluminum phosphate as dehydration catalyst in single step dimethyl ether process
11/18/1998CN1040743C Process for preparing alcohol and amine
11/12/1998WO1998050333A1 Ligated platinum group metal catalyst complex and improved process for catalytically converting alkanes to esters and derivatives thereof
11/12/1998CA2287300A1 Ligated platinum group metal catalyst complex and improved process for catalytically converting alkanes to esters and derivatives thereof
11/11/1998EP0876811A2 Denaturing agent for ethanol
11/11/1998EP0876317A1 Zinc containing chemical product and method of making same
11/11/1998EP0876316A1 Process for the preparation of polyalcohols
11/11/1998EP0876315A1 Process for the preparation of alkylene glycols
11/11/1998EP0717729B1 Cis-dihydroxycyclohexadienes and their preparation
11/11/1998EP0714385B1 Hydroformylation process
11/11/1998CN1198429A Process for producing alkylene glycol
11/05/1998DE19718116A1 Continuous preparation of d,l-menthol by hydrogenation
11/04/1998EP0875499A2 Process for the crystallisation of alkali metal salts of diformylamide
11/04/1998EP0875267A1 Process for crystallisation by vaporisation and condensation of the vapors
11/04/1998EP0874800A1 Indane dimer compounds with smooth muscle relaxing and/or mast cell stabilising and/or antiinflammatory activity
11/04/1998EP0716712B1 Lipase-catalysed acylation of alcohols with diketenes
11/04/1998EP0619802B1 A mixture of higher primary aliphatic alcohols and its pharmaceutical uses
11/04/1998CN1198149A Low metal ion containing 4,4'-(1-(4-(1-(4-hydroxyphenyl)-1-methylethyl) phenyl) ethylidene) bisphenol and photoresist compositions therefrom
11/04/1998CN1197784A Method for producing alcohol
11/04/1998CN1040530C Medium-pressure hydrogenation process for producing butanediol from butynediol
11/03/1998US5831134 Continuous production process of tertiary alcohols by radical addition of secondary alcohols to alkenes
11/03/1998US5831133 Reduction of aldehydes, ketones, esters and lactones
11/03/1998US5831132 Reducing agent from boranes and amino alcohols
11/03/1998US5831078 Process for the production of arabinitol
11/03/1998US5830935 Color of basic metal organic salts by employing C7 -C17 alkyl glycidyl esters and stabilized halogen-containing polymers
11/03/1998US5830429 Zeolite impregnated with titanium, vanadium, aluminum or boron; alkane oxidation catalyst
11/03/1998CA2161969C Enantioselective oxazaborolidine catalysts
10/1998
10/29/1998WO1998047891A1 Selective olefin metathesis of bifunctional or polyfunctional substrates in compressed carbon dioxide as reaction medium
10/29/1998WO1998047852A1 Method for selective catalytic oxidation of olefins into corresponding carboxylic acids with c=c bond scission
10/29/1998WO1998047847A1 Method for selective catalytic oxidation into aldehydes/ketones by breaking the c=c bond
10/29/1998WO1998047842A1 Perfumes comprising 3-alkylcycloalkanols
10/29/1998DE19717181A1 Verfahren zur selektiven katalytischen Oxidation von Olefinen zu Aldehyden/Ketonen unter C=C-Bindungsspaltung A process for the selective catalytic oxidation of olefins to aldehydes / ketones under C = C bond cleavage
10/29/1998DE19717179A1 Verfahren zur selektiven katalytischen Oxidation von Olefinen zu den entsprechenden Carbonsäuren unter C=C-Bindungsspaltung A process for the selective catalytic oxidation of olefins to the corresponding carboxylic acids in C = C bond cleavage
10/28/1998EP0873982A1 Process for preparing polyprenols
10/28/1998EP0873301A1 Indane compounds with smooth muscle relaxing and/or mast cell stabilising and/or anti-inflammatory activity
10/28/1998EP0873297A1 Process for preparing hydroxy-containing compounds from formic acid esters
10/28/1998EP0741688B1 Process for the separation of glycols from dimethyl terephthalate
10/28/1998EP0741683B1 Process for the preparation of alkylene glycols
10/28/1998EP0713846B1 Process for producing cycloalkanol and cycloalkanone
10/28/1998EP0689477B1 Method for preparing copper-containing hydrogenation reaction catalyst and method for producing alcohol
10/28/1998CN1197054A Method of chemically synthetizing methanol
10/28/1998CN1197053A Method of directly preparing terpene hydrate alcohol by terpene
10/28/1998CN1196975A Non-crystalline alloy catalyst containing Ni and B, its prepn. and application
10/28/1998CN1040430C Process for preparing vitamin D3 derivatives
10/28/1998CN1040426C Process for preparing diprotected 2,3-hydroxymethyl cyclobutanol
10/27/1998US5827901 Process of producing methanol
10/22/1998WO1998046564A1 Epsilon caprolactam compositions and byproducts
10/22/1998WO1998046556A1 Photocurable halofluorinated acrylates
10/22/1998DE19716413A1 Reliable, economical drying of viscous hygroscopic mixture containing poly:hydric alcohol to very low water content
10/22/1998DE19716231A1 Olefin metathesis in compressed carbon di:oxide
10/22/1998CA2288295A1 Photocurable halofluorinated acrylates
10/22/1998CA2286071A1 Epsilon caprolactam compositions and byproducts
10/21/1998EP0872466A1 Process for the synthesis of 1,7-diaryl or 1,7-heteroarylheptan-4-ols and synthetic intermediates
10/21/1998EP0872465A2 Process for the preparation of (E)-1-amino-2-(fluoromethylene)-4-(p-fluorophenyl) butane and intermediates thereof
10/21/1998EP0871621A1 Asymmetric synthesis catalyzed by transition metal complexes with new chiral ligands
10/21/1998EP0871601A1 Process for the preparation of 1,4-butenediol
10/21/1998CN1196717A Process for separating solids from aqueous 1,4-butyne diol solutions
10/20/1998US5824825 Phosphoric acid catalyst and its use
10/20/1998US5824819 Making dibasic acids, such as adipic acid, by oxidizing hydrocarbon, such as cyclohexane, with oxygen in a two stage process
10/14/1998EP0869951A1 Method of producing 1,6-hexane diol from epoxybutadiene
10/14/1998EP0869939A1 Novel sulfonate ester
10/14/1998EP0869936A1 Method for distilling alcohols
10/14/1998EP0739332B1 PROCESS FOR PRODUCING n-BUTYRALDEHYDE AND/OR n-BUTANOL
10/14/1998EP0700371B1 Process for the manfacture of linear hydrofluorocarbons containing end group hydrogen substituents and azeotropes thereof
10/14/1998CN1196041A Process for ammonia and methanol co-production
10/14/1998CN1040204C Method for producing n-butyraldehyde and/or n-butanol
10/13/1998USRE35919 Introducing solution of optical isomer mixture and desorbing liquid into bed containing optical resolution packing where adsorption, concentration, desorption and liquid recovery are carried out continuously in circulation
10/13/1998US5821389 Subjecting alkadiene to reductive hydroformylation in presence of catalyst and hydroformylation in presence of catalyst
10/13/1998CA2119388C Hydrogenation catalyst, a process for its preparation and the use thereof
10/08/1998WO1998043717A1 METHOD FOR RECOVERING ALKANOLS FROM AQUEOUS HBr SOLUTIONS