| 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) |
|---|
| 04/22/1987 | EP0219460A2 Benzoylphenyl ureas |
| 04/22/1987 | EP0218615A1 Process for the manufacture of benzoyl urea. |
| 04/22/1987 | CN86106575A Fluoroacrylic acid monomer and its derived polymer used as bases & treatment for making resistant to heat and oil |
| 04/14/1987 | US4658059 Methods for removing biuret from urea by ion exchange |
| 04/14/1987 | US4657893 4H-3,1-benzoxazin-4-ones and related compounds and use as enzyme inhibitors |
| 04/08/1987 | EP0217166A1 Method of manufacturing aromatic urethane and intermediate product thereof |
| 04/07/1987 | US4656223 Process for the production of modified polyisocyanates, the compounds obtainable by this process and their use in polyurethane lacquers |
| 04/07/1987 | US4656193 Benzoylurea compounds, and insecticidal and acaricidal compositions comprising same |
| 04/01/1987 | EP0216108A1 High-strength, storage-linkage particulate urea and method for the production thereof |
| 04/01/1987 | EP0215848A1 Carbonylation process |
| 04/01/1987 | CN86105256A Process for the pren. of urea |
| 04/01/1987 | CN86105057A Process for the prepn. of urea |
| 03/31/1987 | US4654442 Methods for removing biuret from urea |
| 03/31/1987 | US4654441 Biuret production by controlled pyrolysis of urea |
| 03/24/1987 | US4652678 Process for the recovery of valuable components from the waste streams obtained in the preparation of urea |
| 03/17/1987 | US4650901 Ion exchange methods for removing biuret from urea |
| 03/11/1987 | EP0213996A1 Ramified polymers based on lipopeptides forming thermotropic and lyotropic liquid crystals, their use and corresponding monomers |
| 03/11/1987 | EP0213907A1 N-(2,6-difluorobenzoyl)-N'-3,5-dichloro-4-[3,3,3-trifluoro-2-chloroprop-1-en-1-yl]phenyl-urea having insecticide activity |
| 03/11/1987 | EP0213669A1 Process for the preparation of urea |
| 03/11/1987 | CN85106856A Urea synthesis process |
| 03/04/1987 | EP0212744A1 Process for the preparation of urea |
| 02/25/1987 | EP0211665A2 Benzoyl-ureas having acaricide and insecticide activity |
| 02/25/1987 | EP0211630A2 Liquid organic polyisocyanate compositions containing urea and/or biuret structures |
| 02/24/1987 | US4645860 Biuret manufacture |
| 02/24/1987 | US4645859 Ion exchanging a solution of biuret and other higher molecular weight urea condensates |
| 01/27/1987 | CA1217201A1 Process for synthesizing urea |
| 01/24/1987 | CN85101703A Process for the preparation of urea |
| 01/20/1987 | CA1216861A1 Synthesis of urea |
| 01/17/1987 | CN85101946A Process for the preparation of urea |
| 01/13/1987 | CA1216594A1 Process for the displacement, from the liquid to the gaseous phase, of the excess of nh.sub.3 contained in aqueous solutions of urea |
| 01/10/1987 | CN85100951A Proceess for preparing urea |
| 12/30/1986 | EP0206090A2 Peptide renin inhibitors |
| 12/18/1986 | WO1986007355A1 Benzoylurea derivatives, process for their preparation, and insecticides |
| 12/03/1986 | EP0203879A2 Functionalized monomers from 1-(1-isocyanato-1-methylethyl)-3 or 4-(1-methylethenyl) benzene |
| 12/03/1986 | EP0203618A2 Benzoyl-ureas having insecticide activity |
| 12/03/1986 | CN86103465A Preparation of functionalized monomer from 1-(1-isocyanato-1-methylethyl)-3 4-(1-methylethenyl) benzene |
| 11/25/1986 | US4625052 Reacting diisocyanates with water in presence of tri-substituted acetic acids andor anhydrides |
| 11/12/1986 | EP0201030A2 Process for the preparation of 1,3,5-triazine triones |
| 11/12/1986 | CN86101792A Process for preparing heterocyclic compounds |
| 10/22/1986 | CN86101228A Process for preparing urea from carbon dioxide and ammonia |
| 10/21/1986 | US4618706 Aromatic diisocyanates and diamines; stable liquid product |
| 10/15/1986 | EP0197543A2 Polyisocyanates and resin compositions thereof |
| 10/07/1986 | US4616094 Isolation of liquid urea from the off-gas of the synthesis of melamine |
| 09/25/1986 | WO1986005487A1 Process for the manufacture of benzoyl urea |
| 09/24/1986 | EP0195346A2 3-Aryl uraciles and their use as herbicides |
| 09/23/1986 | US4613697 Process for the displacement to the gaseous phase of the excess of NH3 |
| 09/23/1986 | US4613696 Process for urea production |
| 09/23/1986 | US4613686 Process for the preparation of polyisocyanates with biuret structure |
| 09/23/1986 | CA1211689A1 Method for avoiding the corrosion of the strippers in the urea manufacturing plants |
| 09/17/1986 | EP0194464A1 Amino acid derivatives and use thereof for the preparation of an anticonvulsant |
| 09/16/1986 | CA1211297A1 Process for determining and controlling the composition of aqueous solutions of nh.sub.3 and co.sub.2 |
| 09/12/1986 | WO1986005179A1 Carbonylation process |
| 09/10/1986 | EP0193982A1 Process for the catalytic preparation of nitrogen-containing organic compounds, especially ureas and their polymers |
| 09/09/1986 | US4610714 Apparatus and method for dissolving urea and other endothermic materials |
| 09/03/1986 | EP0193103A2 Process for the preparation of cross-linking agents for cationic enamel binders |
| 09/02/1986 | US4609619 Light-sensitive silver halide color photographic material |
| 08/27/1986 | EP0192263A2 Readily absorbable pharmaceutical composition |
| 08/27/1986 | EP0192235A1 Benzoyl urea compounds, process for their production, and antitumorous compositions containing them |
| 08/26/1986 | CA1210376A1 Method and apparatus for compressing gas |
| 08/06/1986 | EP0189694A1 Process for the preparation of isocyanates and isocyanate derivatives |
| 08/06/1986 | CN86101095A Process for preparing a substituted phenylurea |
| 08/05/1986 | US4604439 Functionalized monomers from 1-(1-isocyanato-1-methylethyl)-3- or 4-(1-methylethenyl) benzene |
| 07/22/1986 | CA1208033A1 Method and apparatus for determining the saturation temperature of a solution |
| 07/09/1986 | EP0086805B1 Process for the preparation of urea |
| 06/24/1986 | CA1206484A1 Process for producing substituted asymmetric ureas |
| 06/10/1986 | CN85107834A Process for producing urea |
| 06/04/1986 | EP0183174A2 Substituted phenoxy urea, processes for its preparation and herbicide containing it as active ingredient |
| 06/04/1986 | EP0183150A2 Process for the preparation of modified polyisocyanates and theiruse in the preparation of polyurethane coatings |
| 05/28/1986 | EP0182166A2 Process for preparing phenylisopropylurea compounds |
| 05/14/1986 | EP0180704A1 Process for the preparation of urea |
| 05/06/1986 | US4587358 Mixing with lignin |
| 04/30/1986 | EP0179343A2 Process for the preparation of urea group containing polyisocyanates |
| 04/22/1986 | US4584398 For chromppltoric and fluorescent substrates for measuring ezyme activity |
| 04/15/1986 | CA1203249A1 Substituted benzyl-cycloalkenyl urea derivatives, their intermediates, the processes for their preparation and a use as fungicides for agriculture and horticulture |
| 04/09/1986 | EP0176868A1 Benzoyl ureas having an insecticidal activity |
| 03/26/1986 | EP0175573A2 Light-sensitive silver halide color photographic material |
| 03/25/1986 | US4578513 Process for preparing phenylisopropylurea compounds |
| 03/11/1986 | CA1201726A1 Process for the removal of urea, ammonia and carbon dioxide from dilute aqueous solutions |
| 03/04/1986 | USH38 Process for the preparation of urea and its derivatives from CO, NO, and a hydrogen source |
| 02/26/1986 | EP0084669B1 A method for cleaning gas mixtures which might contain dust from a urea plant |
| 02/25/1986 | US4572830 Measuring density and saturation temperature |
| 02/25/1986 | US4572676 Method and apparatus for determining the saturation temperature of a solution |
| 01/14/1986 | US4564638 Fungicidal novel N-benzyl-N-(2-norbornyl)-ureas |
| 01/08/1986 | EP0167011A2 Beta-lactam compounds, intermediates thereof, their use in preparing beta-lactams having a diketopiperazine group |
| 11/13/1985 | EP0161019A1 Pesticidal benzoylurea compounds |
| 11/12/1985 | US4552979 Process for treatment of urea plant process condensate |
| 11/12/1985 | US4552970 Solvated salts of dinitrophenylcyanamides, and a process for the preparation thereof |
| 10/09/1985 | EP0157448A1 Process for the preparation of urea |
| 10/09/1985 | EP0157088A1 Process for the preparation of polyisocyanates having a biuret structure |
| 10/08/1985 | CA1194887A1 Process for the preparation of n-substituted n- isocyanatocarbonyl-carbamates |
| 09/25/1985 | EP0155735A1 Process for the preparation of urea |
| 09/17/1985 | US4542006 Rhodium, platinum, palladium or monel catalyst, from nitrogen oxides, carbon monoxide and hydrogen |
| 09/10/1985 | US4540820 Production of animal feed grade biuret |
| 09/10/1985 | US4540813 Ammonia, carbon dioxide |
| 09/03/1985 | US4539077 Process for the preparation of urea |
| 08/28/1985 | EP0152872A1 Arginyl-3-carboxy-4-hydroxyanilide and their use |
| 08/27/1985 | CA1192381A1 Method for cleaning gas mixtures which might contain dust from a urea plant |
| 08/07/1985 | EP0150769A2 Process for the production of polyisocyanates with a biuret structure |
| 08/06/1985 | US4533554 Analgesics, hypotensive agents, anti-inflammatory agents |
| 08/06/1985 | US4533499 Process for the production of triaryl methane compounds |