| Trade name |
Active ingredients |
Pharmaceutical company |
|
Calcined Diatomaceous Earth | Silicon Dioxide | Unidentified Pharmaceutical Company |
| Calcined Diatomite | Silicon Dioxide | Unidentified Pharmaceutical Company |
| Carplex | Silicon Dioxide | Unidentified Pharmaceutical Company |
| Cataloid | Silicon Dioxide | Unidentified Pharmaceutical Company |
| Celite Superfloss | Silicon Dioxide | Unidentified Pharmaceutical Company |
| Chalcedony | Silicon Dioxide | Unidentified Pharmaceutical Company |
| Cherts | Silicon Dioxide | Unidentified Pharmaceutical Company |
| Christensenite | Silicon Dioxide | Unidentified Pharmaceutical Company |
| Corasil II | Silicon Dioxide | Unidentified Pharmaceutical Company |
| Cristobalite | Silicon Dioxide | Unidentified Pharmaceutical Company |