Material on the basis of collagen fibers for covering wounds
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United States of America Patent
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May 28, 1996
Grant Date -
N/A
app pub date -
Oct 24, 1994
filing date -
Aug 21, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A foil-shaped wound covering material based on collagen fibers, its laminates, and a process for preparing the same are disclosed. The wound covering material essentially consists of insoluble, partially modified collagen characterized by the following parameters: 0.18 to 0.40 mmol/g amidated nitrogen; less than 5 .mu.mol/g glucosamine and less than 5 .mu.mol g galactosamine; shrinking temperature from 45.degree. to 60.degree. C.; isoelectric point from 4.3 to 60.0.
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