Platinum nanocolloid solution, process for producing the...

Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Heavy metal or compound thereof

Reexamination Certificate

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C424S489000, C514S970000

Reexamination Certificate

active

07452554

ABSTRACT:
A nanocolloidal platinum dispersion comprising nanocolloidal platinum and a polyacrylic acid salt, the nanocolloidal platinum having an average particle size of 1-5 nm, 90% or more of the nanocolloidal platinum having a particle size in a range of 0.1-10 nm, its production method, and a drink containing such a nanocolloidal platinum dispersion.

REFERENCES:
patent: 3878664 (1975-04-01), Zinke
patent: 6090858 (2000-07-01), El-Sayed
patent: 10-068008 (1998-03-01), None
patent: 11-346715 (1999-12-01), None
patent: 2001-079382 (2001-03-01), None
patent: 2002-60805 (2002-02-01), None
patent: 2002-102679 (2002-04-01), None
patent: 2002-180110 (2002-06-01), None
patent: 2002-212102 (2002-07-01), None
patent: 2002-285207 (2002-10-01), None
Translation (Machine) of JP 2002-212102 (2002).
Patent Abstracts of Japan, abstracting JP 11-346715 (1999).
HCAPLUS abstract 2001:47787 (2001).
Devi, G.S. et al., “Room temperature synthesis of colloidal platinum nanoparticles,” Bull. Mater. Sci., vol. 23(6), pp. 467-470 (Dec. 2000).

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