Band-Seals For Hard Capsules
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United States of America Patent
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Issued Date -
Jan 10, 2008
app pub date -
Dec 8, 2005
filing date -
Dec 28, 2004
priority date (Note) -
Abandoned
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Abstract
The present invention has as its object to provide a band-seal to manufacture a leak-tight, stable hard capsule preparation not being susceptible to deformation after having filled pharmaceuticals, foods, healthy foods, etc. in a hard capsule comprising a polyvinyl alcohol copolymer or pullulan as a base, and in more particular, relates to a band-seal intended for use in the hard capsule comprising a polyvinyl alcohol copolymer or pullulan as a base, characterized in that the band-seal is incorporated with at least one or not less than two of the below-described (a) to (c): (a) A polyvinylpyrrolidone with a molecular weight of 100,000 to 4,000,000, (b) A polyvinylpyrrolidone with a molecular weight of 10,000 to 80,000 in the proportion of not more than 90% by weight against the total weight of the band-seal; and (c) A copolymer from 1-vinyl-2-pyrrolidone and vinyl acetate.
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