Patent ID: 8383141

Claim:
A composition comprising cross-linked gelatin powder having a moisture content of 20% (w/w) or less and a re-hydration rate of at least 3 gm/gm in 30 seconds, wherein the composition further comprises a re-hydration aid, the re-hydration aid selected from the group consisting of: polyethylene glycol (PEG) having an average molecular weight of about 1000, polyvinylpyrrolidone (PVP) having an average molecular weight of about 50,000, and dextran having an average molecular weight of about 40,000; polyethylene glycol (PEG) having an average molecular weight of about 1000 and polyvinylpyrrolidone (PVP) having an average molecular weight of about 50,000; polyethylene glycol (PEG) having an average molecular weight of about 1000 and dextran having an average molecular weight of about 40,000; polyvinylpyrrolidone (PVP) having an average molecular weight of about 50,000 and dextran having an average molecular weight of about 40,000; polyvinylpyrrolidone (PVP) having an average molecular weight of about 50,000; and dextran having an average molecular weight of about 40,000.