PROCEDE DE FABRICATION D'UN COMPLEXE PVP–FULLERENE ET SOLUTION AQUEUSE DE CE COMPLEXE
| N° de brevet: |
EP1894973 (A1) |
| Date de publication: |
2008-03-05 |
| Inventeur(s): |
TAKADA H [JP];MATSUBAYASHI K [JP]; |
| Demandeur(s): |
VITAMIN C60 BIORES CORP [JP]; |
| Classification: |
C08L39/06;C01B31/02;C08K3/04; |
| N° de demande: |
EP20050739143 20050428 |
| Numéro(s) de priorité: |
WO2005JP08560 20050428 |
An aromatic hydrocarbon solution of a fullerene or a fullerene mixture is mixed with an ethanol solution of polyvinylpyrrolidone (PVP), water is added to the mixed solution, the solvent is removed and then an aqueous solution of a complex of a fullerene or a fullerene mixture with polyvinylpyrrolidone (PVP) is obtained. Under a condition free from a halogen, a PVP/fullerene complex excellent in manifestation of fullerene properties, stability and safety and an aqueous solution thereof are obtained.
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