Biomaterial and preparation method thereof

Drug – bio-affecting and body treating compositions – Extract – body fluid – or cellular material of undetermined... – Separated animal oil or solidified form thereof derived from...

Reexamination Certificate

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Details

C424S520000, C424S572000

Reexamination Certificate

active

07838038

ABSTRACT:
A biomaterial prepared from a process comprising dehydrating the fish scales until the fish scales containing less than about 50% of water, and grinding the dehydrated fish scales into ground particles each having an average size of less than about 10,000 μm in diameter, wherein the ground particles contain a mixture of sponge like matrix and powder is provided. The invention also provides a biomaterial prepared from fish scales by a process comprising subjecting the fish scales to a heat treatment at a temperature of less than about 200° C.

REFERENCES:
patent: 2002/0006422 (2002-01-01), Koda et al.
patent: 2003/0118715 (2003-06-01), Helgason

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