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) |
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02/07/1984 | US4430505 Urea, primary amines, alcohols |
02/07/1984 | US4430262 Oxidative conversion of oxamic acids, salts, and oxyanilides |
01/24/1984 | CA1161191A1 Process for treating anion exchange resins |
12/20/1983 | CA1159074A1 Carbamate process |
12/06/1983 | US4419364 Bronchospasmolytic carbamate derivatives |
10/25/1983 | CA1155866A1 Preparation of n-monosubstituted carbamates |
10/04/1983 | CA1154788A1 Process for the production of urethanes |
09/27/1983 | CA1154456A1 (n-substituted carbamoyloxy) alkyleneoxy alkyl acrylate esters |
09/27/1983 | CA1154455A1 (n-substituted carbamoyloxy) alkanoyloxyalkyl acrylate esters |
09/06/1983 | CA1153386A1 Process for the preparation of urethanes |
08/31/1983 | EP0087047A2 Process for the preparation of N substituted urethanes |
08/30/1983 | CA1153007A1 N-substituted imido-dicarboxylic acid diaryl esters, a process for their preparation and their use as intermediate products |
08/24/1983 | EP0086390A2 Process for the preparation of N-substituted carbamic acid esters |
08/23/1983 | CA1152524A1 Preparation of carbamates from aromatic amines and organic carbonates |
08/23/1983 | CA1152523A1 Preparation of carbamates from aromatic amines and organic carbonates |
08/17/1983 | EP0086018A2 Preparing carbamic acid esters |
08/16/1983 | CA1152089A1 Process for production of 1-naphthyl methylcarbamate |
08/09/1983 | US4398036 Preparation of N-monosubstituted carbamates |
08/02/1983 | CA1151345A1 Curable mixtures containing dimethylamino derivatives |
08/02/1983 | CA1151201A1 Process for the preparation of n-substituted imido- dicarboxylic acid diaryl esters |
08/02/1983 | CA1151200A1 Process for the preparation of n-substituted imido- dicarboxylic acid diaryl esters |
07/26/1983 | US4395565 Preparing aromatic urethans |
06/28/1983 | CA1148970A1 Process for the preparation of urethanes |
06/28/1983 | CA1148969A1 Process for the preparation of n,o-disubstituted urethanes suitable as a starting material for the preparation of isocyanates |
06/14/1983 | US4388238 From primary amines, alcohols, and carbonyl compounds |
05/25/1983 | EP0079536A2 Process for the preparation of modified polyamines |
05/17/1983 | CA1146579A1 Process for the preparation of n-monosubstituted carbamic acid esters |
04/26/1983 | US4381404 Process for the production of N,O-disubstituted urethanes and use thereof as starting materials for the production of organic isocyanates |
04/26/1983 | US4381403 Process for the preparation of N-monosubstituted carbamic acid esters |
04/12/1983 | CA1144564A1 Process for the preparation of n,o- disubstituted urethanes useful for the preparation of isocyanates |
03/09/1983 | EP0073442A2 N-alkoxycarbonyl and N-alkoxythiocarbonyl amidines and preparation thereof |
03/08/1983 | CA1142535A1 Substituted carbanilic acid esters, processes for the manufacture of these compounds and herbicidal preparations containing them |
03/08/1983 | CA1142534A1 Branched-chain monoalcohols and derivatives thereof, lubricant compositions for polymers and wax compositions in which these novel products are incorporated |
02/16/1983 | EP0071835A1 Process for preparing urethanes |
02/09/1983 | EP0071139A2 Simplified process for the preparation of polyamines by alkaline hydrolysis compounds containing NCO groups, and use of these polyamines in the preparation of polyurethanes |
02/01/1983 | CA1140582A1 Process for separating selenium, selenium compounds, sulfur and/or sulfur compounds from polyurethanes containing these elements and/or compounds |
01/05/1983 | EP0068220A1 Low temperature storage stable liquid diphenylmethane diisocyanates |
12/29/1982 | EP0029460B1 Process for preparing aromatic urethane |
12/28/1982 | CA1138202A1 Substituted aminocarbamate in gasoline |
12/22/1982 | EP0067463A1 A process for the preparation of isocyanates and/or derivatives thereof |
12/08/1982 | EP0066231A2 Process for the preparation of N-substituted urethanes |
11/30/1982 | CA1136642A1 Method for increasing the 4,4' dicarbamate isomer of the diphenlmethane dicarbamates during preparation thereof |
11/23/1982 | CA1136157A1 Preparation of methylene-bis-(4-phenylcarbamic acid esters) |
11/23/1982 | CA1136156A1 Preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates with lewis acid catalysts intercalated in graphite |
10/19/1982 | CA1133928A1 Process for the production of urethanes |
10/05/1982 | CA1133008A1 Process for the production of urethanes |
09/28/1982 | CA1132600A1 Preparation of methylene-bis-phenylcarbamic acid esters and of polymethylene-polyphenyl- carbamic acid esters |
09/22/1982 | EP0060476A2 Process for the preparation of N substituted di and/or polyurethanes |
09/08/1982 | EP0059400A2 Process for the preparation of urethanes |
08/17/1982 | US4344891 Halogenated tertiary alkyl isocyanates and their preparation |
08/10/1982 | CA1129433A1 Process for the preparation of urethanes |
07/20/1982 | US4340497 Curable acrylic coating |
07/13/1982 | US4339592 Process for the production of urethanes |
07/07/1982 | EP0055359A1 Process for the preparation of 1-alkenyl isocyanates |
06/23/1982 | EP0054218A1 Process for the preparation of urethanes |
06/01/1982 | US4332742 Low temperature storage stable liquid diphenylmethane diisocyanates |
05/25/1982 | CA1124251A1 Herbicidally active carbamic acid phenyl esters and their manufacture and use |
05/18/1982 | US4330657 Process for the production of storage-stable urethane acryls |
05/04/1982 | US4328354 Preparation of methylene-bis-phenylcarbamic acid esters and polymethylene-polyphenylcarbamic acid esters |
05/04/1982 | CA1123000A1 Process for the preparation of an aromatic di- and/or polyurethane |
05/04/1982 | CA1122998A1 Herbicidally active diurethanes and their manufacture and use |
05/04/1982 | CA1122997A1 Stabilized polyisocyanates partially blocked with hydroxy amines |
04/13/1982 | US4324739 Curing agents for polyepoxides |
04/07/1982 | EP0048927A2 Process for the preparation of N,O-disubstituted urethanes, and their use as raw materials in the manufacture of isocyanates |
04/06/1982 | US4323495 Novel branched-chain monoalcohols and derivatives thereof, lubricant compositions for polymers and wax compositions in which these novel products are incorporated |
04/06/1982 | CA1121374A1 Process for the preparation of an aryl mono-, di-, and/or polyurethane |
03/31/1982 | EP0048377A1 Process for the preparation of N-substituted diaryl imidodicarboxylates |
03/31/1982 | EP0048376A1 Process for the preparation of N-substituted diaryl imidodicarboxylates |
03/31/1982 | EP0048371A2 Process for the preparation of N,O-disubstituted urethanes |
03/31/1982 | EP0048368A2 Process for the preparation of N- and O-substituted mono- or bis-urethanes |
03/23/1982 | US4321402 Carbamate process |
03/09/1982 | US4319035 From aromatic nitro compounds or amines, oxidizers, carbon monoxide, hydroxy compounds |
03/09/1982 | US4319018 In acid catalyst |
03/09/1982 | CA1119609A1 Process for preparing polymethylene polyphenyl polycarbamates |
02/09/1982 | CA1117969A1 Process for the preparation of an aliphatic, cycloaliphatic, and/or aliphatic-cycloaliphatic di- and/or polyurethane |
02/09/1982 | CA1117968A1 Process for the preparation of an aliphatic, cycloaliphatic, and/or aliphatic-cycloaliphatic di- and/or polyurethane |
01/13/1982 | EP0043807A2 1-(Dihydroxyphenyl)-2-amino-ethanol derivatives; preparation, compositions and intermediates |
01/12/1982 | CA1116177A1 Process for the preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates |
12/29/1981 | US4308394 Photopolymerizable photoinitiators |
12/29/1981 | CA1115286A1 Process for the preparation of urethanes |
12/29/1981 | CA1115285A1 Process for the preparation of urethanes |
12/22/1981 | CA1114990A1 Polyols |
10/27/1981 | US4297501 By reacting primary amines, carbon monoxide and an organic alcohol in the presence of oxygen and a metal catalyst system |
10/27/1981 | CA1111437A1 Hydroxy terminated polybutadiene based polyurethane bound propellant grains |
10/21/1981 | EP0038005A1 Process for the production of methylene-bis-phenylcarbamic acid esters and polymethylene polyphenylcarbamic acid esters |
10/20/1981 | CA1111061A1 Process for the production of urethanes |
10/07/1981 | EP0037314A1 N-substituted carbamoyloxy alkanoyloxyhydrocarbyl acrylate esters |
09/30/1981 | EP0036813A1 (N-Substituted carbamoyloxy)alkyleneoxyhydrocarbyl acrylate esters |
09/16/1981 | EP0035752A1 Process for the preparation of urethanes |
09/02/1981 | EP0034750A2 N-substituted imidodicarboxylic acid diaryl esters and a process for their preparation |
08/26/1981 | EP0034323A2 Amino acid and peptide esters of leuco-indo anilines, process for their preparation and agents containing these compounds for the detection of proteolytic enzymes |
08/18/1981 | US4284727 Ammonium hydroxide, ammonium chloride |
08/04/1981 | US4282370 Preparation of methylene-bis-phenylcarbamic acid esters and of polymethylene-polyphenylcarbamic acid esters |
07/29/1981 | EP0032733A1 Process for preparing polymethylene polyphenyl polycarbamates |
07/28/1981 | CA1105941A1 4-acylamino-phenyl-ethanolamines |
07/21/1981 | US4279718 Non-yellowing and storage stable coatings |
07/21/1981 | CA1105480A1 Process for the preparation of diphenylmethane mono and dicarbamates and polymethylene polyphenyl carbamates by the acid rearrangement of an (alkoxycarbonyl)phenylamino-methylphenyl compound |
07/14/1981 | US4278807 Process for production of 1-naphthyl methylcarbamate |
07/08/1981 | EP0031650A1 Process for preparing liquid polyisocyanate compositions, and their use |
07/01/1981 | EP0031207A1 Process for preparing liquid polyisocyanate compositions, and their use |