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)
06/1981
06/17/1981EP0030269A1 Process for recovering the noble metal catalyst in the production of aromatic urethanes
06/16/1981CA1103268A1 Herbicidally active diurethanes and their manufacture and use
06/03/1981EP0029460A1 Process for preparing aromatic urethane
06/02/1981US4270930 Clean combustion chamber fuel composition
05/1981
05/13/1981EP0028331A1 Process for preparing urethanes
05/12/1981US4267353 Reacting an aromatic nitro compound, an alcohol, and carbon monoxide using as catalysts sulfur, selenium or their compounds, amines, and/or alkali salts and an oxidizer
05/12/1981CA1100987A1 Herbicidally active carbanilic acid esters
05/06/1981EP0027953A1 Process for preparing N,O-disubstituted urethanes
05/06/1981EP0027952A1 Process for preparing N,O-disubstituted urethanes
04/1981
04/14/1981US4262130 From nitro compound, carbon monoxide, and an alcohol
04/01/1981EP0025907A1 Halogenated tertiary alkyl isocyanates and process for their preparation
03/1981
03/31/1981US4259511 Treatment with aqueous permanganate solution
03/24/1981US4257804 Carbamic acid ester, process for making the same and composition containing same
03/24/1981US4257803 Diurethanes and methods for their use in herbicidal compositions
03/17/1981CA1097676A1 Manufacture of n-alkylcarbamates
02/1981
02/24/1981US4252557 M-diurethanes
02/18/1981EP0023981A1 Process for preparing methylene-bis-phenylcarbamic acid esters and polymethylene polyphenylcarbamic acid esters
02/03/1981CA1095037A1 Indanpentol derivatives
01/1981
01/07/1981EP0021314A1 Di- or polyisocyanates partially blocked with alcanolamines and stabilised and process for preparing them
01/06/1981US4243815 Preparation of methylene-bis(4-phenylcarbamic acid esters)
12/1980
12/23/1980CA1092143A1 Method for production of unsymmetrical 1,3- disubstituted nitrosourea
12/16/1980CA1091661A1 .alpha.-HALOMETHYL DERIVATIVES OF .alpha.-AMINO ACIDS
12/11/1980WO1980002686A1 Process for preparing aromatic urethane
11/1980
11/26/1980EP0019109A1 Process for preparing aromatic di- and polyurethanes
11/25/1980US4236016 Reaction of aromatic nitro compound with carbon monoxide and alcohol in presence of selenium catalyst
11/12/1980EP0018588A1 Process for preparing aliphatic and cycloaliphatic di- and polyurethanes
11/12/1980EP0018586A1 Process for preparing aliphatic and cycloaliphatic di- and polyurethanes
11/12/1980EP0018583A1 Process for the preparation of aryl-mono-,-di-and/or polyurethanes-
10/1980
10/28/1980US4230877 Acid catalyzed condensation of an n-aryl carbamic acid ester with a carbonyl compound
10/28/1980US4230876 Process for the preparation of urethanes
10/21/1980US4229208 Diurethanes with selective herbicidal action
10/15/1980EP0017623A2 Hardenable mixtures containing dimethylamino derivatives
10/15/1980EP0016948A1 Process for preparing urethanes
10/14/1980US4228086 N-Substituted alkyl-N-nitrosocarbamoyl azides
10/14/1980CA1087627A1 Herbicidally active carbamic acid esters and their manufacture and use
10/01/1980EP0016441A2 A method for the preparation of a mixture of diphenyl methane dicarbamates and polymethylene polyphenyl carbamates
10/01/1980EP0016346A1 Process for preparing urethanes
09/1980
09/23/1980US4224417 High molecular weight polyamines and their use in preparation of polyurethane resins
09/17/1980EP0015593A1 Process for preparing stably storable urethane acryls
09/03/1980EP0015044A2 Tri-iodoalkenyl esters of N-substituted carbamic esters, their preparation and their use as biocides
09/03/1980EP0014845A1 Process for the preparation of urethanes
08/1980
08/26/1980US4219661 From the nitro compound
08/20/1980EP0014482A1 Preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates with Lewis acid catalysts intercalated in graphite
08/20/1980EP0014406A1 Process for the separation of selenium, selenium compounds, sulfur and/or sulfur compounds from urethanes containing these elements and/or compounds
08/20/1980EP0014379A1 Process for the preparation of methylen-bis-(4-phenyl-carbamic acid esters)
08/12/1980CA1083594A1 Process for the preparation of polyisocyanates containing urethane and biuret groups
07/1980
07/22/1980US4214001 1-(4-Acylamino-phenyl)-2-amino-ethanols and salts thereof
07/08/1980US4211699 Isocyanate adduct diols
07/01/1980US4210568 Plasticization of neutralized sulfonated elastomeric polymer with organic carbamates
05/1980
05/27/1980CA1078542A1 Heat-sensitizers for coagulating aqueous polymer dispersions
05/14/1980EP0010808A2 Novel branched-chain monoalcohols and derivatives thereof, lubricant compositions for polymers and wax compositions in which these novel products are incorporated
05/14/1980EP0010587A1 Adamantylalkyloxy-carbonyl derivatives, their preparation and their use for the production of peptides
05/14/1980EP0010585A1 Process for preparing urethanes
05/13/1980US4202986 Preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates with Lewis acid catalysts intercalated in graphite
04/1980
04/08/1980CA1075397A1 Process for the production of polyurethane resins
04/08/1980CA1075259A1 Nuclear hydrogenation of n-aryl carbamates
02/1980
02/05/1980CA1071202A1 Initiators for isocyanate reactions
02/05/1980CA1071197A1 Finely divided blocked isocyanates prepared in the presence of surfactants
01/1980
01/09/1980EP0006173A1 Arylglyoxyloyloxyalkyl acrylates, their preparation and their use in photopolymerizable binding agents
12/1979
12/04/1979US4177342 From carbamate(urethane)-containing alcohols and polyisocyanates
11/1979
11/14/1979EP0005335A1 Plasticisation of neutralised sulphonated polymer with organic carbamate
11/14/1979EP0005226A1 Process for the manufacture of urethanes
11/06/1979CA1065850A1 Acylation process for the preparation of phenolic n-disubstituted carbamate esters, and ion pair solutions for use in the process
10/1979
10/09/1979US4170708 Process for preparing aromatic urethanes
09/1979
09/19/1979EP0003989A1 Process for preparing urethanes
09/19/1979EP0003988A1 Process for preparing urethanes
09/18/1979CA1062717A1 1-aryloxy-2-hydroxy-3-alkinylaminopropanes and processes for production thereof
07/1979
07/24/1979US4162362 Process for the preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates
07/24/1979CA1058853A1 Preparation of aqueous dispersions of blocked aromatic polyisocyanates
06/1979
06/12/1979CA1056394A1 M-diurethanes
05/1979
05/29/1979US4156784 Manufacture of carbamates
04/1979
04/17/1979US4150146 Process for the preparation of unsymmetrically 1,3-disubstituted nitroso ureas
03/1979
03/27/1979US4146727 Acid catalysts
03/20/1979CA1051017A1 Manufacture of carbamates
03/20/1979CA1051016A1 Preparation of aqueous dispersions of blocked aromatic polyisocyanates
02/1979
02/20/1979US4140665 Coagulating a polymer dispersion in the presence of a heat sensitizing agent
02/13/1979CA1048526A1 1-isopropylamino-3-(4'-(2-alkoxycarbonyl-aminoethoxy)-phenoxy)-propan-2-01
02/06/1979US4138497 Indanpentol derivatives for treating hypertension
01/1979
01/23/1979US4136254 Process of selectively blocking amino functions in aminoglycosides using transition metal salts and intermediates used thereby
01/23/1979CA1047046A1 Fungicidal iodoalkynyl carbamates
01/09/1979CA1046062A1 Catalysis of organic isocyanate reactions
12/1978
12/20/1978EP0000016A1 Process for the preparation of allophanates-substituted polyisocyanates and their use in the manufacture of polyurethane products
11/1978
11/14/1978CA1042456A1 Diurethanes with selective herbicidal action
11/07/1978US4124569 Process for the preparation of polyisocyanates containing urethane and biuret groups
10/1978
10/17/1978US4120834 Modified polyols
09/1978
09/19/1978US4115547 Sunscreening compositions
09/19/1978CA1038861A1 SECONDARY-ALIPHATIC .alpha.-SUBSTITUTED AZOALKANES
09/05/1978US4111914 Initiators for isocyanate reactions
08/1978
08/29/1978CA1037476A1 Benzylpyrimidines
07/1978
07/18/1978US4101530 Process for the production of polyisocyanate mixtures containing blocked isocyanate groups
07/04/1978US4098626 Hydroxy terminated polybutadiene based polyurethane bound propellant grains
04/1978
04/04/1978US4082779 Acylation process for the preparation of steroid phenolic n-disubstituted carbamate esters, and ion pair solution for use in the process
03/1978
03/28/1978US4081461 Acylation process for the preparation of phenolic N-disubstituted carbamate esters, and ion pair solution for use in the process
03/21/1978US4080365 Process for preparing aromatic urethanes
02/1978
02/14/1978US4073800 Adhesive
01/1978
01/17/1978US4069377 Polymerization of ethylenically unsaturated monomers employing secondary-aliphatic α-substituted azoalkanes
01/17/1978US4069240 Group 8 metal catalyst
12/1977
12/06/1977US4061652 Weatherproofing plastic
10/1977
10/11/1977US4053596 Hypotensive agents
08/1977
08/09/1977US4040992 Catalysis of organic isocyanate reactions
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