Process for the preparation of cellulose film, cellulose film produced thereby, artificial skin graft and its use
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United States of America Patent
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Mar 27, 1990
Grant Date -
N/A
app pub date -
Jun 10, 1986
filing date -
Oct 1, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is described a process for the preparation of cellulose film, comprising the steps of preparing a culture medium having as nutrients sources of nitrogen and of carbohydrate, seeding this medium with a culture of acetobacter, species Xylinium; incubating the culture at temperatures which permit bacterial activity for a time suitable to the final intended use of the film, and removing the formed film from the culture medium for dehydration in a distended state. The film thus prepared is suitable for use as an artificial skin graft, a separating membrane, or artificial leather.
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