| for drug delivery | 2 | purpose |
| for conveying a liquid polymer melt | 2 | purpose |
| invention → relate to → pump | 5 |
| invention → provide → pump | 4 |
| negative | neutral | positive |
| 0.023 | 0.801 | 0.176 |
| Raw frequency | 9 |
| Normalized frequency | 0.145 |
| Modifier score | 0.500 |
| Perplexity | 64.629 |