A grainy thermoplastic film and process for its manufacture
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United States of America Patent
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Oct 6, 1998
Grant Date -
N/A
app pub date -
May 3, 1996
filing date -
May 15, 1995
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Abstract
The invention relates to a process for the manufacture of a thermoplastic film which is grainy on its two faces, by passing thermoplastic material between two rolls essentially consisting of metal of high hardness. The invention also relates to a thermoplastic film obtained by this process, to the use of this film for the manufacture of an article for medical use and to this article itself. The thermoplastic material may be, for example, a vinyl chloride polymer or a polyolefin.
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