Process for producing granular porous chitosan
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United States of America Patent
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-
May 23, 1989
Grant Date -
N/A
app pub date -
Feb 5, 1987
filing date -
Jul 31, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing granular porous chitosan of extremely uniform particle size and having uniform fine pores on the spherical surface and cut cross sectional face. The process comprises dissolving a low molecular weight chitosan into an aqueous acidic solution, pouring the solution into a basic solution and thereby coagulating the product to precipitate porous chitosan.
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