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
Priority claimed from GB8719953Aexternal-prioritypatent/GB2194528B/en
Application filed by Sandoz LtdfiledCriticalSandoz Ltd
Publication of MY103148ApublicationCriticalpatent/MY103148A/en
A PROCESS FOR RECLAIMING MIXED UNUSED CONCRETE COMPRISING THE STEPS OF (1) BEFORE THE CONCRETE SETS, ADDING A RETARDER IN AN AMOUNT SUFFICIENT TO RETARD HYDRATION FOR UP TO AN ADDITIONAL 90 HOURS, (2) OPTIONALLY AT THE END OF THE DESIRED RETARDATION PERIOD DILUTING THE RETARDED CONCRETE WITH FRESH CONCRETE, AND (3) ADDING AN ACCELERATOR TO THE RETARDED CONCRETE TO RESTORE IT TO A SETTABLE STATE.
MYPI88000936A1987-08-241988-08-13Reclaiming of waste concrete
MY103148A
(en)