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 Nicolae Antohe, Felicia Sandescu, Gheorghe Surpateanu, Doina Tataru, Mioara Surpateanu, Constantin Moisa, Marin Moisescu, Romul MunteanfiledCriticalNicolae Antohe
Priority to RO107498ApriorityCriticalpatent/RO84647B1/ro
Publication of RO84647B1publicationCriticalpatent/RO84647B1/ro
Conform inventiei procedeul de preparare a unor fosfoti organici polietoxilati cu formule I si II: (veui form. in desc.) în care n este 3....24 si m este 1....20 consta în aceea ca peste acidul gras polietoxilat cu grad de etoxilare, topit adecvat se adauga treptat oxiclorura de fosfor sub agitare si barbotarea unui curent slab de azot mentinînd temperatura de reactie în limitele 30....37 degree C apoi produsul brut se neutralizeaza cu trietanolamina se spala cu apa si se usuca în etuva la 100 degree C.
RO107498A1982-05-121982-05-12Procedeu de preparare a unor fosfati organici polietoxilati
RO84647B1
(ro)
Nouveaux acides (2,5-dihydroxyphenyl) alcanoiques ou leurs sels utiles a titre d'anti-oxydants dans les compositions tinctoriales a base de colorants d'oxydation
Nouvelles 4,5,6,7- tetrahydro-7-oxo (ou hydroxy)benzo (b)thienyl-4-amines utiles notamment comme agents de croissance pour animaux et leur procede de preparation
Nouvelles 1,2,3,4-tetrahydro-4-imino-1-naphtylurees substituees, utiles notamment comme agents de croissance pour animaux, et leur procede de preparation