| abstract |
THE SUBJECT OF THE PRESENT INVENTION IS AN ESTER OF A POLYOL, LEDIT POLYOL CONTAINING AT LEAST 3 HYDROXY GROUPS HAVING A MOLECULAR WEIGHT CAPABLE OF GOING UP TO 20,000, AT LEAST ONE HYDROXY GROUP IN THESE POLYOL BEING IN THE FORM OF ESTER WITH A REMAINING ESTER. POLYLACTIC OR CO-POLYLACTIC ACID EACH HAVING A MOLECULAR WEIGHT OF AT LEAST 5000. THESE POLYOL ESTERS CAN BE USED FOR THE PREPARATION OF LONG-RELEASED GALENIC FORMS. |