The present invention comprises novel preparations of polyoxypropylene/polyoxyethylene copolymers which retain the therapeutic activity of the commercial preparations, but are substantially free from the undesirable effects which are inherent in the prior art preparations. Because the preparations...http://www.google.fr/patents/US5691387?utm_source=gb-gplus-shareBrevet US5691387 - Polyoxypropylene/polyoxyethylene copolmers with improved biological activity
Polyoxypropylene/polyoxyethylene copolmers with improved biological activity ...
