Patents
Sitemap › C07 - Organic chemistry › C07B - General methods of organic chemistry; Apparatus therefor › C07B 61 - Other general methods
Patents for C07B 61 - Other general methods (69,072)
10/1991
10/22/1991CA1291146C Molybdenum/alkali metal/ethylene glycol complexes useful as epoxidation catalysts
10/22/1991CA1291145C Preparation of a substituted succinic anhydride
10/22/1991CA1291144C Process for the preparation of a substituted succinic anhydride
10/21/1991WO1991016283A1 Environmentally safe catalytic alkylation using liquid onium poly (hydrogen fluorides)
10/19/1991CA2040604A1 Enantiospecific synthesis of s-(+)-5,6-dihydro-4-(r-amino)-4h-thieno[2,3-b] thiopyran-2-sulfonamide-7,7-dioxide
10/17/1991WO1991016292A1 Process for preparation of resorcinol bis(dihydroxyethyl)ether
10/17/1991WO1991016132A1 Process of vapor phase catalytic hydrogenation of maleic anhydride to gamma-butyrolactone in high conversion and high selectivity using an activated catalyst
10/17/1991WO1991015443A1 Naphthalene alkylation process
10/17/1991DE4012128A1 Verfahren zur katalysatorrueckgewinnung Method for katalysatorrueckgewinnung
10/17/1991DE4012007A1 Reductive de-hydrohalogenation of hydrocarbon(s) or ether(s)
10/17/1991CA2080123A1 Process of vapor phase catalytic hydrogenation of maleic anhydride to gamma-butyrolactone in high conversion and high selectivity using an activated catalyst
10/17/1991CA2040485A1 Process for preparing substituted cyclobutanes
10/17/1991CA2039422A1 Regenerating a plasma initiator using molecular hydrogen
10/16/1991EP0452182A1 Process for the preparation of at least one tertiary olefine by decomposition of the corresponding ether
10/16/1991EP0452168A1 Process for the preparation of N-phenyl benzoquinone-imine
10/16/1991EP0452004A2 Polyalkoxyamines, their preparation, dispersant additives prepared therefrom and use of the additives in lubricating oils and fuels
10/16/1991EP0451979A2 Continuous preparation of secondary amines from nitriles using cobalt and zirconium
10/16/1991EP0451941A1 Catalyst and process for the selective production of para-dialkyl substituted benzenes
10/16/1991EP0451927A1 Cyclo(D-phenylalanyl-D-histidine)
10/16/1991EP0451746A2 Method for the production of fluorine containing ethane derivatives
10/16/1991EP0451714A1 Process for the acylation of alkyl aromatics
10/16/1991EP0451650A1 Method for the production of o-hydroxy-benzaldehydes
10/16/1991EP0451614A1 Fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons
10/16/1991EP0451442A2 Process for preparing methylene-crosslinked polyraylamine.
10/16/1991EP0451199A1 Processes using aluminum fluoride catalyst compositions for preparing haloethanes containing fluoride.
10/16/1991EP0451145A1 A PROCESS FOR THE ENANTIOSPECIFIC SYNTHESIS OF INTERMEDIATES FOR HEXAHYDRO-BENZO d]NAPHTHO 2,1-b]AZEPINES
10/16/1991EP0276231B1 Transition metal complex catalyzed hydroformylation
10/16/1991EP0273060B1 Process for producing unsaturated carboxylates
10/16/1991EP0269718B1 Catalytic vapor phase process for producing dihydrocarbyl carbonates
10/16/1991CN1055359A Isomerization of epoxyalkenes dihydrofurans and catalysts compositions useful therefor
10/16/1991CN1055358A Process for preparation of high-purity tetrahydrofuran
10/16/1991CN1055354A Process for isomerization of hydrochloro-fluorocarbons
10/15/1991WO1991016294A1 Process for catalyst recovery
10/15/1991US5057640 Propylene oligomerization over silica modified zeolites
10/15/1991US5057634 Multistep synthesis of hexafluoropropylene
10/15/1991US5057618 Complex compounds containing sulfonated phenyl phosphanes
10/15/1991US5057477 Cyanohydrination catalyst and process
10/15/1991US5057476 Platinum catalyst composition, method for its preparation and curable organopolysiloxane compositions containing same
10/15/1991US5057474 Preparation and use of metal-containing zeolitic catalysts
10/15/1991US5057470 Regeneration of noble metal catalysts used in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
10/15/1991CA2080478A1 Process for catalyst recovery
10/15/1991CA2040378A1 Process for preparing a cycloalkanone and/or cycloalkanol
10/15/1991CA1290767C Method for production of unsaturated carboxylic acid esters
10/15/1991CA1290763C Preparation of organic phosphinites
10/15/1991CA1290762C Process for the preparation of olefinic silanes and siloxanes
10/15/1991CA1290757C Process for catalytic hydrogenation of dahnp and for the preparation of dafhp
10/15/1991CA1290738C Attrition-resistant catalyst composition, method of making and use
10/13/1991CA2040081A1 Acylation of alkyl aromatic hydrocarbons
10/11/1991CA2039925A1 Continuous preparation of secondary amines from nitriles using cobalt and zirconium
10/10/1991CA2040084A1 Process for preparing at least one tertiary olefin by decomposition of the related ether
10/09/1991EP0450810A1 Process for the production of hydrocarbons with two or more carbon atoms from methane
10/09/1991EP0450596A2 Process for producing unsaturated aldehydes and unsaturated acids
10/09/1991EP0450577A1 Nitrile-accelerated hydrocarboxylation
10/09/1991EP0450467A2 Process for isomerization of hydrochlorofluorocarbons
10/09/1991EP0450442A1 Method for making organic carbonates
10/09/1991EP0449977A1 Improved hydrogenolysis/dehydrohalogenation process.
10/09/1991EP0449966A1 Low pressure rhodium catalyzed hydroformylation of olefins
10/09/1991EP0449919A1 Improved process for producing esters of (meth)acrylic acid and polyhydric alcohols (iv).
10/09/1991EP0449918A1 Improved process for producing esters of (meth)acrylic acid and polyhydric alcohols (i).
10/09/1991EP0449913A1 Improved process for producing esters of (meth)acrylic acid of polyhydric alcohols (iii).
10/09/1991EP0449912A1 Improved process for producing esters of (meth)acrylic acid of polyhydric alcohols (ii).
10/09/1991EP0449871A1 Method for predicting biological activity of antibiotics, and novel non beta-lactam antibacterial agents derived therefrom
10/09/1991EP0449866A1 Process for production of glycosides.
10/09/1991EP0288495B1 Synthesis of n-epoxypropyl lactams
10/09/1991EP0253837B1 Catalytic method for producing fluoroaromatic compounds using branched alkyl pyridinium salts
10/09/1991CN1014233B Oligomerization of olefins
10/08/1991US5055629 Process for isomerizing hydrocarbons
10/08/1991US5055628 Using rhenium oxide and boron oxide catalyst on alumina
10/08/1991US5055623 Preparation of phenols by direct N2 O hydroxylation of aromatic substrates
10/08/1991US5055621 Relating to aldol condensation
10/08/1991US5055618 Process for the preparation of α,ω-diamines
10/08/1991US5055604 Process for preparing prostaglandin analogs using organozirconium compounds
10/08/1991US5055599 Process for the hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone
10/08/1991US5055577 Preparation of urethane products
10/08/1991US5055235 Bromination process
10/08/1991CA1290354C Process for the selective hydrogenation of alkynes
10/08/1991CA1290353C Process for isomerization of a hydrocarbon feed stream
10/08/1991CA1290352C Alkylation process utilizing enhanced boiling surface heat exchanger in the reaction zone
10/08/1991CA1290351C Process for preparing 1,1,1-trifluoro-2,2- dichloroethane by hydrofluorination in the presence of catalysts
10/08/1991CA1290348C Aromatization of dihydroaromatic compounds by treatment with bases
10/08/1991CA1290344C Process for producing t-butyl methacrylate
10/07/1991CA2039907A1 Attrition resistant catalytic system and application to the saturated carboxylic acid oxydehydrogenation, particularly in entrained bed reactors
10/04/1991WO1991015454A1 Method for preparing 1,4-diacyloxy-2-butenes
10/04/1991CA2056429A1 Method for preparing 1,4-diacyloxy-2-butenes
10/03/1991WO1991015481A1 Process for the preparation of high-purity tetrahydrofuran
10/03/1991WO1991015441A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation
10/03/1991WO1991009039A3 Process for direct synthesis of organotin compounds and use of said compounds
10/03/1991CA2079806A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation
10/03/1991CA2034340A1 Method for making organic carbonates
10/02/1991EP0449777A1 Process for the preparation of hydroxyphenylpropionates
10/02/1991EP0449693A1 Catalyst and process for the preparation of esters of saturated carboxylic acids
10/02/1991EP0449629A1 Process of producing anthraquinones in one step
10/02/1991EP0449617A2 Process for the preparation of 1,1,1,2-tetrafluorethane
10/02/1991EP0449614A2 Process for the preparation of 1,1,1,2-tetra-fluoroethane
10/02/1991EP0449603A1 Production of 4-hydroxyphenethyl alcohol
10/02/1991EP0449602A1 Method for producing 4-(2'-methoxyethyl) phenol
10/02/1991EP0449546A1 Process for the preparation of m-aminophenols from resorcinol
10/02/1991EP0449453A2 Process for oligomerizing olefins to prepare base stocks for synthetic lubricants
10/02/1991EP0449296A1 Palladium catalyzed carboalkoxylation of butadiene
10/02/1991EP0449172A1 A method of reducing a carbonyl containing acridine
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