WATER-SOLUBLE FILM
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United States of America Patent
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Issued Date -
May 15, 2008
app pub date -
Nov 13, 2006
filing date -
Nov 13, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A film-forming composition made from a mixture of PVOH, chitosan, and a crosslinking agent is disclosed. Also disclosed are a method of making a film from the composition, a resulting crosslinked film, and a packet made from the film and containing a rinse additive. The composition can be formulated to yield an article such as a film which is soluble only below a predetermined pH threshold.
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