Patents for C07B 31 - Reduction in general (2,354)
03/2000
03/15/2000EP0984831A1 Moulded activated metallic fixed-bed catalyst
03/14/2000US6037301 Hydrogenation catalysts containing boron, group viii metal
03/08/2000EP0983215A1 Reduction of aromatic halogenides
01/2000
01/25/2000US6017969 A stable ion-exchange resin against shrinkage, loaded with at least one amphiphilic ion and silver, palladium, and mercury cation; use for purifying alkyl iodide from co-catalysed carbonylation of alcohols
01/20/2000DE19832087A1 Verfahren zur Umsetzung von organischen Verbindungen mit boroxidhaltigen, makroporösen Trägerkatalysatoren Process for the reaction of organic compounds with boroxidhaltigen macroporous supported catalysts
01/19/2000EP0972567A2 Process for the conversion of organic compounds with macroporous supported catalysts containing boron oxide
01/19/2000EP0971865A1 Transfer hydrogenation process and catalyst
01/18/2000US6015919 Hydrogenation catalysts
11/1999
11/02/1999US5977010 Containing nickel, manganese, zinc and cobalt oxide; calcium silicate and clay
10/1999
10/13/1999CN1045600C Method for reducing an alpha, beta-unsaturated ketone
09/1999
09/01/1999EP0938488A1 Phosphine ligands
07/1999
07/28/1999EP0820460B1 Dihalogenated ferrocenes and processes for the preparation thereof
07/21/1999EP0929560A1 Chiral ferrocenyls
07/20/1999US5925778 Dihalogenated ferrocenes and processes for the preparation thereof
07/01/1999WO1999032434A1 Process for the synthesis of 1,3-diols
06/1999
06/30/1999EP0925111A1 Catalyst and process for its manufacture
06/01/1999CA1340570C Process for synthesizing n-alkylated amino-acides and the esters thereof. their use for synthesizing carboxyalkyl dipeptides
05/1999
05/18/1999CA2111820C Method for reducing an .alpha.,.beta.-unsaturated ketone
05/06/1999EP0912465A1 Improved lithium and amine dissolving metal reduction
04/1999
04/06/1999CA2115200C Process for producing poison-resistant catalysts
03/1999
03/03/1999EP0899012A1 New catalysts suitable for the conversion reactions of organic compounds
02/1999
02/03/1999EP0894801A2 Water soluble substituted pyridine boranes
02/02/1999CA2244419A1 Water-soluble substituted pyridine-boranes
01/1999
01/28/1999WO1999003801A1 Method for the hydrogenation of carbonyl compounds
01/21/1999DE19730939A1 Verfahren zur Hydrierung von Carbonylverbindungen A process for the hydrogenation of carbonyl compounds
01/13/1999EP0889867A1 Process for the manufacture of fluorine-substituted hydrocarbons
12/1998
12/09/1998EP0882508A2 Ion-exchange resins, their preparation and uses
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
11/1998
11/26/1998WO1998052885A1 Reduction of aromatic halogenides
11/26/1998CA2289992A1 Reduction of aromatic halogenides
11/25/1998CN1040870C Reduction dehalogerating reaction of halohydrocarbon under action of active alkali metal hydride
10/1998
10/28/1998CN1196975A Non-crystalline alloy catalyst containing Ni and B, its prepn. and application
10/27/1998CA1340105C Process for the preparation of optically active 3-demethylmevalonic acidderivatives and intermediates
10/01/1998WO1998042643A1 Transfer hydrogenation process and catalyst
07/1998
07/22/1998EP0854148A1 Process for the hydrogenation of sugars
07/14/1998US5780700 Improving catalyst efficiency by controlling residence time, space velocity, temperature of reactants; regenerating catalyst
06/1998
06/30/1998US5773677 Process for the hydrogenolysis of C--O and C═O bonds in organic substances
06/02/1998US5760282 Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein
05/1998
05/20/1998CN1038417C Process for shortopping free radical polymerization and stabilized resin compositions
04/1998
04/16/1998WO1998015565A1 Chiral ferrocenyls
04/02/1998WO1998013319A1 Novel reduction compositions and processes for making the same
04/01/1998EP0831967A1 Shaped hydrogenation catalyst and processes for their preparation and use
03/1998
03/31/1998US5733838 Process for the production of a hydrogenation catalyst
03/26/1998WO1998012202A1 Phosphine ligands
03/25/1998CN1177310A Improved Ru, Re/carbon catalyst fro hydrogenation in aqueous solution
03/12/1998WO1998009725A1 Catalyst and process for its manufacture
03/12/1998DE19636269A1 Katalysator und Verfahren zu seiner Herstellung Catalyst and process for its preparation
01/1998
01/29/1998WO1998003451A1 Improved lithium and amine dissolving metal reduction
01/29/1998CA2261059A1 Improved lithium and amine dissolving metal reduction
01/28/1998EP0820460A1 Dihalogenated ferrocenes and processes for the preparation thereof
01/28/1998CN1171749A Method of producing hydrogenation catalyst
01/07/1998EP0814905A1 IMPROVED Ru, Re/CARBON CATALYST FOR HYDROGENATION IN AQUEOUS SOLUTION
11/1997
11/18/1997US5689005 Reductive deoxygenation using a redox catalyst
10/1997
10/15/1997EP0800421A1 Method of producing a hydrogenation catalyser
10/07/1997US5675038 Providing a polyamine in the solution in addition to the lithium and alkylamine to speed the reaction
10/02/1997WO1997035820A1 Process for the manufacture of fluorine-substituted hydrocarbons
09/1997
09/23/1997US5670679 Nickel complexes for polymerization catalysts
07/1997
07/22/1997US5650546 Process for the catalytic hydrogenation of organic compounds
07/16/1997EP0783472A1 Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein
07/15/1997US5648571 Methods for the synthesis of chemical compounds
03/1997
03/26/1997EP0764622A1 Process for the hydrogenolysis of C-O and C=O bounds in organic substances
03/24/1997CA2186059A1 Process for the hydrogenolysis of c-o and c=o bonds in organic substances
03/04/1997US5608130 Methods for the synthesis of chemical compounds
02/1997
02/04/1997US5600047 Process for producing optically active olefin
01/1997
01/07/1997US5591869 Reducing aluminum halide complexes
01/03/1997WO1997000131A1 Shaped hydrogenation catalyst and processes for their preparation and use
01/03/1997CA2224270A1 Shaped hydrogenation catalyst and processes for their preparation and use
11/1996
11/20/1996EP0742786A1 Methods for the synthesis of chemical compounds
10/1996
10/17/1996WO1996032400A1 Dihalogenated ferrocenes and processes for the preparation thereof
09/1996
09/24/1996US5559259 Process for producing poison-resistant catalysts
09/12/1996WO1996027575A1 A process for the reduction of carbonyl compounds
09/12/1996WO1996027436A1 IMPROVED Ru, Re/CARBON CATALYST FOR HYDROGENATION IN AQUEOUS SOLUTION
08/1996
08/29/1996DE19513121C1 High activity polymeric catalyst for heterogeneous gas phase reactions
08/28/1996EP0249614B2 Oligomerization process
08/13/1996US5545769 Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein
08/13/1996US5545388 Catalytic transfer hydrogention
07/1996
07/04/1996WO1996020043A1 Method of producing a hydrogenation catalyser
07/04/1996DE4446907A1 Verfahren zur Herstellung eines Hydrierkatalysators A process for preparing a hydrogenation catalyst
07/03/1996EP0719771A1 Process for the preparation of methylene compounds and the compound 2-(2',4'-dichloro-5'-fluorobenzyl)-thiophene
06/1996
06/12/1996EP0716061A1 Process for reductive deoxygenation by means of a redox catalyst
05/1996
05/07/1996US5514358 Method for the synthesis of chemical compounds
04/1996
04/23/1996US5510503 Bisphosphines for asymmetric hydrogenation catalysts
04/18/1996DE4436385A1 Olefinically unsatd. cpds. prodn. by catalytic oxidn.-oxidative dehydrogenation
04/17/1996EP0558656B1 New methods for the catalytic reduction of organic substrates
04/04/1996WO1996010002A1 Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein
03/1996
03/27/1996EP0563327B1 Copper chromite catalyst and process for preparing said catalyst
02/1996
02/20/1996US5492873 Membrane having pores distributed throughout; pores containing catalyst
01/1996
01/09/1996US5482616 Process for hydrogenation and/or dehydrogenation
12/1995
12/26/1995US5478952 Ru,Re/carbon catalyst for hydrogenation in aqueous solution
12/26/1995US5478548 Catalytic transfer hydrogenation by reacting coal, oil shale and/or heavy oil with a hydrogen donor material, a catalyst and a polyethylene glycol phase transfer agent
12/26/1995CA1337819C Preparation of 1,1-disubstituted ethylene compounds
12/05/1995US5472599 Optical resolution of isomers
11/1995
11/02/1995WO1995021143A3 Methods for the synthesis of chemical compounds
10/1995
10/31/1995CA1337490C Process for the production of aminomalonic acid dinitrile salts
10/17/1995US5459264 Method for reducing an α β-unsaturated ketone
08/1995
08/10/1995WO1995021143A2 Methods for the synthesis of chemical compounds
07/1995
07/18/1995CA1336348C Process for industrial synthesis of perindopril and its major synthesis intermediates
05/1995
05/16/1995US5415769 Separation agent comprising aliphatic or aromatic ester of polysaccharide
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... 24