Title:
PROCESS FOR PRODUCING PVP-FULLERENE COMPLEX AND AQUEOUS SOLUTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2006/117877
Kind Code:
A1
Abstract:
An aromatic hydrocarbon solution of a fullerene or a fullerene mixture and an ethanol solution of polyvinyl pyrrolidone (PVP) are mixed, water is added to the mixed solution and then, the solvent is removed, whereby an aqueous solution of a complex of the fullerene or the fullerene mixture and polyvinyl pyrrolidone (PVP) is obtained. The PVP-fullerene complex, which exhibits fullerene characteristics under non-halogen conditions and has excellent stability and safety, and an aqueous solution thereof are provided.
Inventors:
TAKADA HIROYA (JP)
MATSUBAYASHI KENJI (JP)
MATSUBAYASHI KENJI (JP)
Application Number:
PCT/JP2005/008560
Publication Date:
November 09, 2006
Filing Date:
April 28, 2005
Export Citation:
Assignee:
VITAMIN C60 BIORES CORP (JP)
TAKADA HIROYA (JP)
MATSUBAYASHI KENJI (JP)
TAKADA HIROYA (JP)
MATSUBAYASHI KENJI (JP)
International Classes:
C08L39/06; C01B31/02; C08K3/04
Foreign References:
| JPH08262512A | 1996-10-11 | |||
| JP2004267972A | 2004-09-30 | |||
| JP2005035809A | 2005-02-10 | |||
| JP2004182771A | 2004-07-02 | |||
| JP2005060380A | 2005-03-10 |
Other References:
See also references of EP 1894973A4
Attorney, Agent or Firm:
Nishizawa, Toshio (11-1 Minami-Aoyama 6-chome, Minato-k, Tokyo ., JP)
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