×

Articles containing enclosed compositions

  • US 6,727,215 B2
  • Filed: 07/24/2001
  • Issued: 04/27/2004
  • Est. Priority Date: 07/24/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. An article comprising a first pouch made of a water-soluble material comprising a polyvinyl alcohol polymer, which comprises in its interiora) a first solid or liquid composition;

  • and b) a second pouch made of a water-reactive material, comprising in its interior a second liquid composition;

    whereby the first pouch and the second pouch are made by thermo-forming or vacuum-forming.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×