Organic compounds
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Abstract
A polylactide in a purified state, which meets the requirements of
- the colour strengths of reference solutions B2-B9 of the brown colour test of the European Pharmacopoeia, 2nd Edition (1980) part I, Section V, 6.2 and containing one or more metals in cationic form, the metal ion(s) having a concentration of at most 10 ppm. The polylactide is especially suitable for use as microparticles or implants, and contains preferably a hydrophilic drug, like octreotide or a lipophilic drug like bromocriptine.
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Citations
51 Claims
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1-31. -31. (canceled)
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32. A polymer, which is off-white to white in color, and which polymer contains one or more metals in cationic form, the metal cation(s) having a concentration of at most 10 ppm, wherein the polymer is obtained through the process of purification comprising the steps of
contacting a solution of an impure polymer with a matrix, and isolating the purified polymer from the solution.
Specification