| Description | Claims |
| US4794166A | [0009] |
| US6004583A | [0010] |
| US5969090A | [0050] |
| US5900475A | [0050] |
| Superabsorbent Polymers: Science and Technology | [0001] |
| Superabsorbent Polymers: Science and Technology | [0003] |
| Chemistry and Industry | [0007] |
| Journal of Controlled Release | [0007] |
| J. Biomed. Mater. Res. | [0007] |
| Introduction to Physical Polymer Science | [0007] |