Patents
Patents for C07C 269 - Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups (4,512)
05/1992
05/26/1992US5117036 Preparation of aromatic carbamates
05/26/1992US5116992 Antitumor
05/19/1992US5114968 Acylated carbamates and use as insecticides
05/12/1992CA1300639C Reaction products of p-vinylphenol and polyisocyanates
04/1992
04/29/1992EP0482410A2 Anti-microbial compounds, including substituted 2-cyclohexyl-amine derivatives and their preparation
04/21/1992CA2053601A1 Antimicrobial agents as well as substituted 2-cyclohexan-1-yl-amine derivatives and their preparation
04/07/1992US5103041 Carbamates, their production and use as fuels additives
04/01/1992EP0478074A2 Alkoxylation of carboxylated compounds
04/01/1992EP0478063A1 Method of making optically active alcohols
04/01/1992EP0477639A1 Substituted amino acid amide derivatives, their preparation and use
03/1992
03/31/1992US5101063 Preparation of urethanes by carbonylation
03/31/1992US5101062 Reacting an amine, oxygen, a nitro compound, carbon monoxide, and alcohol in the presence of a transition metal catalyst, non-metal halide and water
03/25/1992EP0477159A1 Preparation of urethane and carbonate products
03/25/1992CA2050825A1 Method of making optically active alcohols
03/24/1992US5099058 N, N-disubstituted oligourethanes and polyurethanes, a process for their preparation, and their use in the production of plastics
03/21/1992CA2051595A1 Alkoxylation of carboxylated compounds
03/17/1992CA1297488C Method of preparation of novel 2-(alkoxymethyl)- pentane-1,5-diisocyanates, 2-(alkoxymethyl)-pentane-1, 5-diurethanes, and 2-(alkoxymethyl)-pentane-1,5- dicarbamic acid chlorides and their uses
03/11/1992EP0474411A1 Production of diethanolamine derivatives and their intermediates
03/05/1992CA2050551A1 Preparation of urethane and carbonate products
03/04/1992EP0472996A1 Substituted valinamide derivatives
03/04/1992CA2049770A1 Production of diethanolamine derivatives and their intermediates
02/1992
02/26/1992CN1058923A Production method of aromatic amino ester formate
02/25/1992US5091581 Reacting diaminonitrobenzene with chloroalkyl chloroformate
02/25/1992US5091556 Process for producing carbamates
02/25/1992US5091553 Reacting adduct of isocyanic acid and tertiary amine with unsaturated compound
02/18/1992CA1296013C Process for preparing novel n-(acyloxyalkoxy) carbonyl derivatives useful as bioreversible prodrug moieties for primary and secondary amine functions in drugs
01/1992
01/29/1992EP0468927A2 Derivatives of carboxymethylcyclopropane
01/29/1992EP0468643A1 Process for the preparation of acrylates
01/28/1992CA2047901A1 Carboxymethylcyclopropane derivatives
01/24/1992CA2046509A1 Hydrophilic urethane prepolymer composition
01/23/1992WO1992000957A1 Intermediate used for the preparation of deferoxamine
01/22/1992CA2046735A1 Process for the preparation of acrylates
01/21/1992CA1294736C Renin inhibitors containing 5-amino-2,5-disubstituted- 4-hydroxypentanoic acid residues
01/14/1992US5081249 From gaseous fluorine and solution of pyridinesulfonate
01/08/1992EP0465162A1 Process for producing unsaturated carbamic acid esters
01/08/1992EP0464439A2 Process for the preparation of secondary or tertiary alcohols
01/07/1992US5079383 With A Methylating Agent Using A Zinc Halide Catalyst
01/04/1992CA2046068A1 Process for producing unsaturated carbamic acid esters
12/1991
12/27/1991EP0462958A2 Preparation of urethane products
12/19/1991CA2044809A1 Preparation of urethane products
12/10/1991US5072020 Reacting nitroalcohol with isocyanate; catalytic hydrogenation
12/03/1991US5070165 Urea-containing (meth)acrylic acid derivatives of triisocyanates-compositions for an artificial tooth
11/1991
11/26/1991US5068391 Preparation of methylenedi (phenylurethane)
11/23/1991WO1991017977A1 Process for the stereoselective preparation of phenylisoserin derivatives
11/23/1991WO1991017976A1 Process for the enantioselective preparation of phenylisoserin derivatives
11/23/1991CA2079314A1 Process for the enantioselective preparation of phenylisoserine derivatives
11/23/1991CA2079313A1 Process for the stereoselective preparation of phenylisoserine derivatives
11/21/1991EP0456799A1 Improved method of preparing an intermediate for the manufacture of bambuterol.
11/19/1991US5066827 From ethyl N-phenylcarbamate and formaldehyde, trioxane, methylal or paraformaldehyde, hydrofluoric acid catalyst, intermediate for diphenylmethane diisocyanate
11/19/1991US5066819 Process for the preparation of aryl esters of N-alkyl carbamic acids
11/19/1991CA1292227C Compositions stabilized with substituted amino carbamates and novel substituted amino carbamates
11/12/1991CA1292010C Process for the preparation of n,n-disubstituted mono- and oligourethanes
11/12/1991CA1291991C Antioestrogenic phenol derivatives
10/1991
10/22/1991CA1291155C Process for the preparation of carbamates
10/22/1991CA1291150C Process for the preparation of alkoxycarbonyl isocyanates
10/08/1991US5055577 Preparation of urethane products
10/02/1991EP0449558A2 Process for preparing carbamates
10/02/1991EP0449110A2 2,2-Dialkylpentane-1,5-diisocyanates, -diurethanes, and -dicarbamic acid chlorides, process for their preparation and their use
09/1991
09/25/1991EP0448237A2 Aliphatic polyamines from polynitro compounds
09/24/1991US5051152 Passing a prepolymer through a wiped film evaporation zone, passing nitrogen in a countercurrent flow
09/18/1991EP0447074A2 Catalytic isocyanate trimerization and urethane formation
09/18/1991EP0446514A1 Process for the preparation of aryl esters of N-alkyl carbamic acids
09/10/1991US5047557 Alcohol, amine intermediates
09/10/1991CA1288777C N-fluoropyridinium salt and process for preparing same
09/04/1991EP0444508A2 Ethylenically unsaturated fluorine-containing urethan derivatives and process for their preparation
08/1991
08/28/1991EP0443370A2 Dental materials
08/28/1991CA2036806A1 Ethylenically unsaturated, fluorine-containing urethane derivatives and process for their preparation
08/21/1991EP0442173A1 Process for the preparation of alkyl methylcarbamates
08/06/1991US5037926 Monomers for dentistry
07/1991
07/31/1991EP0438579A1 New monomeric units obtained from hydroxy fatty acids, for manufacturing plastics.
07/17/1991EP0437258A1 Method of manufacturing aromatic urethane
07/17/1991EP0436800A1 Process for producing isocyanate compound
07/13/1991CA2033634A1 Method of manufacturing aromatic urethane
06/1991
06/02/1991WO1991008197A1 Improved method of preparing an intermediate for the manufacture of bambuterol
06/02/1991CA2045554A1 Method of preparing an intermediate for the manufacture of bambuterol
05/1991
05/08/1991EP0425925A2 Substituted amino acid amide derivatives, their preparation and use
05/07/1991CA1283921C2 Optically active pyrrolidinedione and pyrrolidinone derivatives
05/02/1991EP0424750A2 Ethylenically unsaturated surface active urethane derivatives and process for their preparation
04/1991
04/23/1991CA1283499C Peptides
04/22/1991CA2028040A1 Ethylenically unsaturated, surface active urethane derivatives and process for their preparation
04/16/1991US5008436 Urea-containing (meth) acrylic acid derivatives of triisocyanates
04/16/1991US5008435 Reacting alcohol and carbon monoxide with organic nitro compound using copper catalyst
04/16/1991US5008261 Agents for repelling insects and mites
04/09/1991US5006660 Reacting a halogenbenzene with alcohol or phenol in presence od copper(or compound thereof), amine, and base
04/03/1991EP0420761A1 Triglycerol alkylcarbamates, their preparation and their application, in particular as emulsifiers in cosmetic compositions of the form of wax microdispersions
04/03/1991EP0420722A2 Lipid compounds, derivatives of sphingosines, process for their preparation and their use, especially in cosmetics and in dermopharmaceutics
04/03/1991EP0420026A2 Preparation of urethane prepolymers having low levels of residual diisocyanate
04/03/1991CN1050378A Method of condensing n-phenyl carbamates
04/02/1991CA1282414C Method of making organic amines containing hydroxyalkyl carbamate groups
03/1991
03/19/1991CA1281716C Insecticidal n-substituted-n'-substituted-n,n'- diacylhydrazines
03/13/1991EP0416359A1 Carbocyclic anilide carbamates
03/12/1991CA1281324C Lipid derivatives, their production and use
03/07/1991DE3928565A1 Carbamate(s) or thiocarbamate(s) prepn. - by reaction of alcohol or thiol with substd. ammonium isocyanate in inert diluent
03/06/1991EP0415235A2 Process for carefully esterification of a carboxylic acid with an alcohol component
02/1991
02/27/1991EP0414610A1 Process for the enantioselective preparation of phenylisoserine derivatives
02/26/1991US4996320 Thyroid inhibitors
02/10/1991WO1991002016A1 New monomeric units obtained from hydroxy fatty acids, for manufacturing plastics
02/10/1991CA2038941A1 Hydroxyfatty-acid-based monomers for producing plastics
02/05/1991US4990644 Sulfonium compound and acylating agent
01/1991
01/30/1991EP0410900A1 Method for the preparation of methylene di(phenylurethane)
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