Process for the preparation of a collagen product for medical and cosmetic purposes
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United States of America Patent
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Jun 21, 1983
Grant Date -
N/A
app pub date -
Jun 8, 1981
filing date -
Oct 8, 1979
priority date (Note) -
Expired
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Abstract
Process for the preparation of collagen products for medical and cosmetic purposes, wherein collagen products prepared according to the method described in U.S. Pat. No. 4,066,083 are subjected to an additional heat treatment or a treatment with gaseous hydrogen halide in order to improve the physicochemical and mechanical properties of the collagen product, in particular its absorption and mechanical strength.
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