Patents for C07B 61 - Other general methods (69,072)
11/1990
11/29/1990WO1990014073A1 Pharmaceutical preparation
11/28/1990EP0399985A2 Process for producing N-phosphonomethylglycine
11/28/1990EP0399929A1 Preparation of ultra high purity methyl acetate
11/28/1990EP0399885A1 Tripeptide, its process of preparation and its use
11/28/1990EP0399867A1 Process for the preparation of 1,1,1,2-tetrachloroethane by hydrochlorination of trichloroethylene
11/28/1990EP0399866A1 Process for the synthesis of azines, its application in the production of hydrazine
11/28/1990EP0399705A1 Process for preparing 1,1-dichloro-1-fluoroethane
11/28/1990EP0399293A1 Process for preparing 2-chloro-4-nitro-alkylbenzene
11/28/1990EP0399284A2 Method for the production of geminal diarylalkanes, geminal diarylalkanes and alk(en)ylated aromatic compounds
11/28/1990EP0398998A1 Synthetic porous crystalline material, its synthesis and use.
11/28/1990CN1047303A Catalyst system containing autoacceleration inhibitor
11/28/1990CN1047285A Phenyl pyrimidinone derivatives and preparation thereof
11/28/1990CN1047282A Process for preparing acyl cyanides in anhydrous medium
11/28/1990CN1047281A Improved process for preparation of 3,5,6-trichloropyridin-2-01
11/28/1990CN1047278A Process for producing acrylic ester
11/28/1990CN1047276A Alkoxylation process catalyzed by barium phosphate
11/28/1990CN1047275A Process for preparation of hydrocarbons
11/27/1990US4973789 Using acid catalyst
11/27/1990US4973788 Vinylidene dimer process
11/27/1990US4973787 Use of dinitrocresol as polymerization inhibitor
11/27/1990US4973780 Continuous regeneration of catalyst in controlled oxygen environment
11/27/1990US4973771 Phase transfer catalysts
11/27/1990US4973768 Process for the preparation of unsaturated alcohols
11/27/1990US4973767 Cyclopropane derivatives
11/27/1990US4973765 Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol
11/27/1990US4973761 Aminomono- or -di-[(poly-n-butoxy)-n-butylamino]-(poly-n-butoxy)-n-butylamines
11/27/1990US4973759 Process for the isolation of alkylated aromatic amines
11/27/1990US4973749 Process for the dimerization of hexafluoropropene oxide
11/27/1990US4973748 Process for the oligomerization of hexafluoropropene oxide
11/27/1990US4973743 Process for the production of polybasic acid esters with recovery of boron trifluoride
11/27/1990US4973740 Process for producing tricyclodecanecarboxylic acid esters
11/27/1990US4973739 Reacting carboxylic acid amide with formic acid ester
11/27/1990US4973737 Organotin or organotitanate catalyst, by-product inhibition
11/27/1990US4973736 Dye, drug and herbicide intermediates
11/27/1990US4973729 Method for preparing hydroquinone and hydroquinone-bisphenol a Bischloroformates
11/27/1990US4973722 Ferrocene and titanocene compounds
11/27/1990US4973720 Hydroquinone, hydrogen peroxide, iodine or iodide catalyst
11/27/1990US4973718 Rhenium prophyrin catalyst
11/27/1990US4973717 Production of butanediol and tetrahydrofuran, metal alloy catalyst
11/27/1990US4973716 Process for preparing perfluoroethers by fluorination with elemental fluorine
11/27/1990US4973701 Liquid substituted 2H-benzotriazole mixtures, stabilized compositions and processes for preparing the liquid mixtures
11/27/1990US4973568 Preparation of a catalyst useful in the dimerization of butadiene
11/27/1990CA1276946C Process for the preparation of an ethylene-ethane mixture
11/27/1990CA1276945C Process for the isomerization of dichlorotoluene
11/27/1990CA1276942C Process for producing n-acyl-acyloxy aromatic amines
11/26/1990CA2016845A1 Process for synthesizing 1,1,1,2-tetrachloroethane by hydrochlorination of trichloroethylene
11/25/1990CA2017504A1 Process for producing n-phosphonomethylglycine
11/25/1990CA2017345A1 Process for preparing 1-1-dichloro-1-fluoroethane
11/24/1990CA2017357A1 Tripeptide, process for its preparation and use thereof
11/23/1990WO1990014328A1 Preparation of ultra high purity methyl acetate
11/22/1990EP0398782A1 Process for the preparation of acyl cyanides in anhydrous media
11/22/1990EP0398668A1 Nickel/silica catalyst and the preparation and use thereof
11/22/1990EP0398542A2 Process for preparing 3,4-dichloroaniline
11/22/1990EP0398450A2 Alkoxylation process catalyzed by barium phosphate
11/22/1990EP0398446A1 Catalyst for hydrogenation and/or dehydrogenation
11/22/1990EP0398429A2 Synthetic saponite-derivatives, a method for preparing such saponites and their use in catalytic (hydro) conversions
11/22/1990EP0398420A2 Process for the preparation of hydrocarbons
11/22/1990EP0398417A1 Hydroxyfuranone preparation
11/22/1990EP0398416A2 Process for isomerising hydrocarbons
11/22/1990EP0398288A2 Process for preparing optically active 2-arylalkanoic acids, in particular 2-arylpropionic acids
11/22/1990EP0398287A1 Pharmaceutical preparation
11/22/1990EP0398226A2 Process for producing acrylic ester
11/22/1990EP0398154A1 Process for the production of telomer-alcohols
11/22/1990EP0398132A2 Phosphorous compounds
11/22/1990EP0398099A1 Process for the production of cyclopentanones
11/22/1990EP0398095A2 Process for preparing tris (2-chloro isopropyl) ester of phosphoric acid
11/22/1990EP0397793A1 Selective epoxidation of olefins
11/22/1990EP0397650A1 Low pressure catalytic hydrogenation of carbonyl-containing compounds and catalysts therefor.
11/22/1990EP0298117B1 Process for the co-production of aromatic carboxylates and alkyl iodides
11/22/1990DE3916206A1 Verfahren zur herstellung von 1-fluor-glycuronsaeuren und deren salzen sowie solche neuen 1-flour-glycuronsaeuren und deren salze Process for the preparation of 1-fluoro-glycuronsaeuren and salts thereof as well as such new 1-flour-glycuronsaeuren and salts thereof
11/21/1990CN1047043A Method of preparing catalyst useful in dimerization of butadiene
11/21/1990CN1010462B Process for producing fluidized catalyst for synthesis of methanol
11/20/1990US4972040 Process for the preparation of CHF2 OCHFCF3
11/20/1990US4971664 Terminal chlorination of normal alkane hydrocarbons
11/20/1990CA1276653C Selective production of para-aromatics
11/20/1990CA1276652C Phenolic compound chlorination process
11/20/1990CA1276651C Process for preparing p-nitrophenol
11/20/1990CA1276646C Tantalum catalysts for the dimerization of olefins
11/20/1990CA1276630C Esterification process with calcium hydroxybenzyl phosphonate catalyst
11/20/1990CA1276619C Process for the preparation of a silver-containing catalyst
11/20/1990CA1276618C Process for the preparation of n-alkylanilines
11/19/1990WO1990014350A1 Process for producing 1-fluoro-glycuronic acids and their salts and such new 1-fluoro-glyconic acids and their salts
11/19/1990CA2057001A1 Process for producing 1-fluoro-glycuronic acids and their salts and such new 1-fluoro-glyconic acids and their salts
11/19/1990CA2016993A1 Synthetic saponite-derivatives, a method for preparing such saponites and their use in catalytic (hydro) conversions
11/17/1990CA2007988A1 Dehydrogenation process
11/16/1990CA2016888A1 Pharmaceutical preparation
11/16/1990CA2016887A1 Process for preparing optically active 2-aryl-alkanoic acids, in particular 2-aryl propionic acids
11/15/1990WO1990013537A1 Process for the production of alkane sulphonyl benzoic acids
11/15/1990WO1990013533A1 The use of calcined hydrotalcites as catalysts for ethoxylating or propoxylating fatty acid esters
11/15/1990WO1990013532A1 Method for producing stabilized solutions of formaldehyde with methanol
11/15/1990WO1990013362A1 Noble metal containing catalysts and a method of producing the same
11/15/1990DE3930663C1 Cross-coupling metal organic cpds. and e.g. halogen cpds. - includes using transition metal-palladium catalyst and opt. metal alcoholate
11/15/1990CA2016669A1 Process for producing acrylic ester
11/15/1990CA2016619A1 Process for the preparation of hydrocarbons
11/15/1990CA2016618A1 Process for isomerising hydrocarbons
11/15/1990CA2016581A1 Process for preparing halogenated aromatic amines
11/14/1990EP0397483A2 Multistage ethylbenzene dehydrogenation process with split-flow hydrocarbon feed
11/14/1990EP0397418A1 9,10-dihydrophenanthrene-2,7-dicarboxylic acid diesters, 7-Bromo-9,10-dihydrophenanthrene-2-carboxylic acid esters and a process for producing the same
11/14/1990EP0397346A2 Aminated formaldehyde coupled polyols for curing epoxy resins
11/14/1990EP0397281A2 An improved process for the preparation of 3,5,6-trichloropyridin-2-ol