Superabsorbent polymer particles comprising one or more than one area(s) with clay platelets and at least two distinct areas substantially free of clay platelets

US10875985B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Juliane Kamphus · Schwalbach, DE
• Arsen Arsenov Simonyan · Schwalbach, DE

Key dates

• Filing date: Apr 17, 2018
• Grant date: Dec 29, 2020
• Expiry date: Nov 9, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/006
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Superabsorbent polymer particles are provided and include clay platelets with edge modification and/or surface modification. The superabsorbent polymer particles include one, or more than one area(s) with clay platelets and one, or more than one area(s) substantially free of clay platelets. The total volume of the area(s) substantially free of clay platelets is higher than the total volume of the area(s) with clay platelets.