Highly-absorbent starch-containing polymeric compositions

US3997484A · kind A · utility

Assignee

• The United States of America, as represented by the Secretary of Agriculture · US

Inventors

• Mary Ollidene Weaver · Peoria, US
• Edward B. Bagley · Morton, US
• George F. Fanta · Peoria, US
• William M. Doane · Morton, US

Key dates

• Filing date: Sep 8, 1975
• Grant date: Dec 14, 1976
• Expiry date: Sep 8, 1995

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D17/0202
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Starch-containing polymer compositions are prepared which absorb amounts of water equaling up to more than 1000 times their own weight. The compositions find many applications including their incorporation into products such as disposable diapers, surgical pads and sheets, and paper towels.