The Procter & Gamble Company
Water-soluble films
Last updated:
Abstract:
Water-soluble films made from copolymers of butene-diol and vinyl alcohol, wherein the films have improved barrier properties (such as low transmission rates for oxygen and water vapor) as well as good solubility.
Status:
Grant
Type:
Utility
Filling date:
2 Apr 2018
Issue date:
31 Mar 2020