Heparin compositions freed of mineral salts, particularly...

Details Heparin compositions freed of mineral salts, particularly... Heparin compositions freed of mineral salts, particularly...

C - Chemistry, Metallurgy

08

B

260/226

C08B 37/10 (2006.01)

Patent

CA 1105453

IN THE CANADIAN PATENT AND TRADEMARK OFFICE PATENT APPLICATION entitled : "HEPARIN COMPOSITIONS FREED OF MINERAL SALTS, PARTICULARLY OXALATES, AND PROCESS FOR OBTAINING THEM" IN THE NAME OF: CHOAY S.A. ABSTRACT OF THE DISCLOSURE The invention concerns oxalate-free preparations of heparin, particularly in the form of calcium salts of heparin, which can be used for the prepa- ration of injectable solutions of heparin which have long storage life. The invention is also directed to a process for freeing heparin from its oxalate contents, such as by fractionated precipitations by alcohol in the presence of adjusted amounts of mineral salt, until heparin precipitated contains less than 30 ppm, preferably even less than 20 ppm.

308923

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