| Share | Phrase |
| 40.04% | zinc dithiophosphate |
| 13.46% | dialkyl dithiophosphate |
| 11.94% | dihydrocarbyl dithiophosphate |
| 4.71% | dithiophosphate [is] salt |
| 2.82% | dithiophosphate [attribute] useful |
| 2.78% | molybdenum dithiophosphate |
| 2.68% | isooctyl dithiophosphate |
| 2.57% | dithiophosphate salt |
| 2.41% | contain dithiophosphate [perform operation] |
| 2.09% | basic [importance] dithiophosphate |
| 2.01% | isopropyl dithiophosphate |
| 1.85% | useful [effectiveness] dithiophosphate |
| 1.70% | use dithiophosphate |
| 1.46% | hydrogen dithiophosphate |
| 1.20% | applicable [effectiveness] dithiophosphate |
| 1.18% | metal dithiophosphate |
| 0.99% | alkyl dithiophosphate |
| 0.86% | dithiophosphate concentration |
| 0.67% | dithiophosphate compound |
| 0.41% | dithiophosphate [does] contain |
| 0.41% | use dithiophosphate [perform operation] |
| 0.40% | least [degree] dithiophosphate |
| 0.39% | dithiophosphate component |
| 0.33% | dithiophosphate modal may |
| 0.32% | include dithiophosphate [perform operation] |
| 0.20% | dithiophosphate [does] have |