Method and apparatus for blowmoding capsules of polyvinylalcohol and blowmolded polyvinylalcohol capsules
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United States of America Patent
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Mar 27, 2007
Grant Date -
Aug 14, 2003
app pub date -
Mar 1, 2001
filing date -
Mar 1, 2000
priority date (Note) -
Expired
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Abstract
A capsule is formed from a PVA composition by blow moulding. Such capsules can at last provide a viable alternative to gelatin for bio-degradeable capsule containing a pharmaceutical or consumable or other substance, for example a detergent. The capsules may contain solid or liquid substances. Blow moulding apparatus suitable for forming such capsules is also disclosed and claimed.
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