Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ercros SA
Original Assignee
Union Explosivos Rio Tinto SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Union Explosivos Rio Tinto SAfiledCriticalUnion Explosivos Rio Tinto SA
Priority to ES493962ApriorityCriticalpatent/ES8106138A1/es
Publication of ES493962A0publicationCriticalpatent/ES493962A0/es
Publication of ES8106138A1publicationCriticalpatent/ES8106138A1/es
PROCEDIMIENTO PARA LA PREPARACION DE UN PRODUCTO QUE CONTIENE BIURET. SE FUNDAMENTA EN LA DESCOMPOSICION DE LA UREA POR LA ACCION DEL CALOR, A TEMPERATURAS COMPRENDIDAS ENTRE 140 Y 155 GC, Y A PRESIONES ENTRE 50 MM. DE HG Y 400 MM. DE HG. EL PROCESO SE PUEDE REALIZAR TAMBIEN A PRESIONES SUPERIORES A LA ATMOSFERICA MEDIANTE EMPLEO DE UN GAS DE ARRASTRE PARA EL AMONIACO. LA DESCOMPOSICION DE LA UREA SE REALIZA EN DOS FASES, ESTANDO COMPRENDIDO ENTRE TREINTA Y CINCUENTA Y TRES MINUTOS EL TIEMPO DE PERMANENCIA DE LA UREA EN EL REACTOR DE CADA FASE. EL PRODUCTO OBTENIDO ES SOLIDIFICADO SOBRE UNA METALICA REFRIGERADA POR AGUA. EL PRODUCTO PREPARADO ES DE EMPLEO COMO INGREDIENTE NITROGENADO EN LA ALIMENTACION DE GANADO Y PREFERENTEMENTE EN LA DE RUMIANTES. D
ES493962A1980-08-011980-08-01Procedimiento de obtencion de un producto conteniendo biuret
ExpiredES8106138A1
(es)
Pyridine and pyrazine derivatives, process for the preparation of these compounds, fungicides containing these compounds as active substances, use of these compounds or fungicides to combat fungi in agriculture and in horticulture, and ketones and fungicides containing them
(n-methylcarbamoyl-(2,2-dimethyl-(2h,3h)-dihydrobenzofuran-7-yloxy)-(n'.n".n"-trialkyl urea)-n.n'-sulfide derivatives, process for their preparation, compositions containing these derivatives as active components and their use in combating insects