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Priority claimed from GB868622032Aexternal-prioritypatent/GB8622032D0/en
Application filed by Shell Int ResearchfiledCriticalShell Int Research
Publication of MY102537ApublicationCriticalpatent/MY102537A/en
THE INVENTION PROVIDES AQUEOUS POLYSACCHARIDE COMPOSITIONS COMPRISING 0.03 TO 5W/V OF A WATER-SOLUBE POLYSACCHARIDE, 5 TO 80W/V OF AT LEAST ONE SALT OF AT LEAST ONE MONO OR DIVALENT CATION, WHEREIN AT LEAST 0.05W/V, BASED ON THE COMPOSITION, OF THE AT LEAST ONE SALT IS FORMATE, THE BALANCE OF THE AT LEAST ONE SALT, IF ANY, BEING AT LEAST ONE HALIDE, A PROCESS FOR PREPARING THE COMPOSITIONS, AND THEIR USE IN WELL-DRILLING OPERATIONS.
INCLUSION COMPLEXS OF 3-MORPHOLINO-SYDNONIMINE OR DETSTAUTOMER ISOMS, PROCEDURE FOR THE PREPARATION OF THESE AND PHARMACEUTICAL PREPARATIONS CONTAINING THESE