Peelable laminate

US5786092A · kind A · utility

Assignee

• W.R. Grace & Co.-Conn. · US

Inventors

• Tina V. Lorenzo · Jamestown, US
• Jeff C. McConnell · Spartanburg, US
• Curtis Rubinstein · Lake Zurich, US
• Palmer L. Whisenant · Moore, US

Key dates

• Filing date: Nov 6, 1995
• Grant date: Jul 28, 1998
• Expiry date: Nov 6, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31928
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A peelable laminate comprises a water soluble substrate and a water insoluble web peelably adhered to the water soluble substrate. The peelable laminate can be made by e.g. coextrusion or lamination processes, and used to package fertilizer, caustic materials, and other products. A process for making the laminate, and a package made from the laminate are also disclosed.