| Patents for C07C 273 - Preparation of urea or its derivatives, i.e. compounds containing any of the groups the nitrogen atoms not being part of nitro or nitroso groups (3,705) |
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| 07/31/1985 | EP0150030A2 Process for the combined preparation of urea and ammonia |
| 07/16/1985 | CA1190553A1 Bicyclooxyphenyl ureas |
| 07/03/1985 | EP0147211A2 4H-3,1-benzoxazin-4-ones and related compounds, pharmaceutical compositions containing them, and processes for their preparation |
| 07/02/1985 | US4526997 Anticoccidial combinations comprising polyether antibiotics and carbanilides |
| 07/02/1985 | CA1189683A1 Process for the recovery of valuable components from the waste streams obtained in the preparation of urea |
| 06/25/1985 | US4525590 Simplified process for the production of polyamines by the alkaline hydrolysis of compounds containing NCO-groups |
| 06/19/1985 | EP0145054A2 Process for preparing urea |
| 06/19/1985 | EP0144964A2 Process for concentrating an already concentrated urea solution to form a practically anhydrous melt |
| 05/07/1985 | CA1186697A1 Process for the preparation of monocyclohexylurea |
| 04/30/1985 | US4514571 Process for the preparation of urea derivatives |
| 04/10/1985 | EP0136765A2 Process for the preparation of urea |
| 04/10/1985 | EP0136764A2 Process for the preparation of urea |
| 03/26/1985 | US4507129 Method of cleaning dust-containing gas mixtures from a urea plant |
| 03/12/1985 | US4504679 Process for synthesizing urea |
| 03/12/1985 | US4504401 Polyfluoroalkyl polyisocyanate derivative |
| 02/19/1985 | US4500734 Process for the production of urea |
| 02/19/1985 | US4500336 Process for making granules containing urea as the main component |
| 02/19/1985 | CA1182838A1 Urea production method |
| 02/12/1985 | US4498922 Pre- and postemergence herbicides |
| 01/23/1985 | EP0132194A2 Low steam consumption process for the manufacture of urea |
| 01/23/1985 | EP0132193A1 Falling-film apparatus for the equicurrent evaporation of a solution |
| 01/16/1985 | EP0131071A1 Benzoylurea compounds, and pesticidal and pharmaceutical compositions comprising same |
| 01/15/1985 | CA1181085A1 Fluorinated amino-butyric acid and diaminobutane derivatives |
| 01/08/1985 | US4492683 Method for inhibiting the growth of fungi with phenyl glycine compounds |
| 01/01/1985 | US4491670 Group 8 metal carbonyl catalyst |
| 12/25/1984 | US4490303 Imino ethers |
| 12/04/1984 | US4486603 Stereospecific, from cyclohexane-1,4-dicarboxylic acid or ester |
| 12/04/1984 | US4486270 Apparatus for the removal of ammonium carbamate from a urea-synthesis solution |
| 11/13/1984 | US4482737 Preparation of N-substituted N-isocyanatocarbonyl-carbamates |
| 11/13/1984 | CA1177702A1 Urea granules coated with polyalkylene glycol of molecular weight from 200 to 600 |
| 10/23/1984 | CA1176434A1 Process for the removal of urea, ammonia and carbon dioxide from dilute aqueous solutions |
| 10/09/1984 | US4476053 Surface-active azo compounds |
| 10/02/1984 | US4474707 N-3-Propenylaminopropyl-N'-phenylureas |
| 09/25/1984 | US4473579 Antiatherosclerotic tetrasubstituted ureas and thioureas |
| 09/25/1984 | CA1175049A1 Process for preparing n, n'-disubstituted 3- aminopropaneamides |
| 09/18/1984 | US4472568 Basic hydrolysis |
| 09/18/1984 | US4472311 Method of preparing 1,1,1-azidodinitro compounds |
| 09/18/1984 | CA1174692A1 Process for synthesizing urea |
| 09/04/1984 | CA1173660A1 Process for making granules containing urea as the main component |
| 08/28/1984 | US4468380 Anticoccidial combinations comprising polyether antibiotics and carbanilides |
| 08/21/1984 | US4467114 Preparation of trans cyclohexane 1,4-diurea |
| 08/21/1984 | CA1173028A1 Quinone derivatives, their production and use |
| 08/15/1984 | EP0115585A1 Process for the preparation of anti-foam agents and anti-foam agents obtained by the said process |
| 08/01/1984 | EP0114442A1 Process for determining and controlling the composition of aqueous solutions of NH3 and CO2 |
| 07/31/1984 | US4463176 Regeneration of separated chiral isocyanate-treated adrenergic blocking agents using hydrazine hydrate and a keto acid |
| 07/24/1984 | US4461154 Method and apparatus for compressing gas |
| 07/11/1984 | EP0113028A1 Substitued benzylcycloalkenyl urea derivatives |
| 07/03/1984 | US4457871 Preparation of trans cyclohexane,1,4-diisocyanate and related compounds |
| 06/26/1984 | US4456535 By hydrolysis and desorption; flowing countercurrent to a heating and stripping gas |
| 06/12/1984 | US4454133 Antimicrobial compounds |
| 06/05/1984 | US4452631 Urea herbicides |
| 04/17/1984 | US4443475 Amides of acyl-carnitines, process for preparing same and pharmaceutical compositions containing such amides |
| 03/28/1984 | EP0103919A2 Process for producing substituted asymmetric ureas |
| 03/28/1984 | EP0103752A2 Stain-proofing agent containing a polyfluoroalkyl group, and process for its preparation |
| 03/27/1984 | US4439438 Esters of acyl-carnitines, process for preparing same and pharmaceutical compositions containing such esters |
| 03/27/1984 | US4439370 Preparation of trans cyclohexane 1,4-diisocyanate |
| 03/27/1984 | US4439211 Suppression of food dusts and the like |
| 03/07/1984 | EP0102106A1 Method and device for determining the saturation temperature of a solution |
| 03/07/1984 | EP0101887A2 Cosmetic compositions comprising an aqueous solution of an urea compound, hair treatment, skin moisturizer, hair waving system, retardation of alkali production, and hair and skin treatment methods |
| 03/06/1984 | US4435567 Process for preparing substituted urea derivatives |
| 03/06/1984 | CA1163266A1 Benzodiazepine derivatives |
| 02/21/1984 | US4432909 Amine oxanilic acid salts as herbicide extenders |
| 01/18/1984 | EP0098396A2 Process for the displacement from the liquid to the gaseous phase of the excess of NH3 contained in aqueous solutions of urea |
| 01/17/1984 | US4426385 Insecticidal bicyclooxyphenyl ureas |
| 01/04/1984 | EP0097273A1 Benzyl urea derivatives, process for their preparation and fungicides for agriculture and horticulture |
| 12/21/1983 | EP0096151A1 Method for avoiding the corrosion of strippers in urea manufacturing plants |
| 12/06/1983 | US4419363 Adrenergic blocking agents |
| 11/29/1983 | US4418211 Monomers |
| 11/29/1983 | US4418160 Polyamines and processes for the production of such polyamines and of polyurethane plastics therefrom |
| 11/29/1983 | US4418077 Inhibitors of gamma-aminobutyric acid transaminase |
| 11/22/1983 | CA1157288A1 Process for the production of urea granules |
| 11/09/1983 | EP0093466A1 Process for the preparation of urea |
| 11/01/1983 | CA1156262A1 Process for the preparation of ureas |
| 10/18/1983 | US4410697 Carbamate, amine, tertiary amine catalyst |
| 10/18/1983 | US4410503 Process for the removal of urea, ammonia, and carbon dioxide from dilute aqueous solutions |
| 10/18/1983 | CA1155457A1 Process for synthesizing urea |
| 09/27/1983 | CA1154212A1 Granulation process and apparatus therefor |
| 08/31/1983 | EP0086805A1 Process for the preparation of urea. |
| 08/09/1983 | US4397868 Method of treating atherosclerosis with trisubstituted ureas |
| 08/03/1983 | EP0084691A1 Method for preparing n-monoacylated gem-diamino derivatives |
| 08/03/1983 | EP0084669A1 A method for cleaning gas mixtures which might contain dust from a urea plant |
| 07/19/1983 | CA1150312A1 Method of stripping unreacted materials in urea synthesis process |
| 06/21/1983 | CA1148559A1 Process for the preparation of organic polyisocyanates containing biuret and/or urea groups |
| 06/14/1983 | US4388312 Hypotensive agents, antiallergens |
| 06/07/1983 | US4387249 From ethylenediamine, ethanolamine and urea |
| 06/07/1983 | US4387106 Anticholesterol agents, antilipemic agents |
| 06/07/1983 | US4387105 Methods of treating atherosclerosis with dialkylureas and dialkylthioureas |
| 06/01/1983 | EP0080106A1 Process for preparing N-substituted N-isocyanatocarbonyl carbamates |
| 05/31/1983 | US4386218 Polyamines and processes for the production of such polyamines and of polyurethane plastics therefrom |
| 05/25/1983 | EP0079515A2 Process for making N,N'-disubstituted allophanic-acid esters |
| 05/25/1983 | EP0079512A2 Process for the preparation of polyamines from N-monoaryl-N',N'-dialkyl urea compounds, and their use in the formation of polyurethanes |
| 05/24/1983 | CA1146973A1 Process for the production of urea grains with improved properties |
| 05/11/1983 | WO1983001617A1 Acrylamidoacylated oligomers |
| 04/19/1983 | US4380467 Retards and stabilizes thiolcarbamate against soil biodegradation |
| 04/12/1983 | CA1144512A1 After-treatment processes and apparatus especially for urea and ammonium nitrate plants |
| 04/05/1983 | CA1144179A1 Urea synthesis process |
| 03/29/1983 | CA1143747A1 Synthesis of urea |
| 03/22/1983 | US4377522 Benzodiazepine derivatives |
| 03/17/1983 | WO1983000862A1 Process for the preparation of urea |
| 03/17/1983 | WO1983000861A1 Process for the preparation of urea |