Average Co-Inventor Count = 1.60
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Consiglio Nazionale Delle Ricerche (2 from 313 patents)
2 patents:
1. 5266539 - Process for the deferrization of kaolin, quartzose sand, paper filler,
2. 5190900 - Process for removing iron from kaolin, quartz and other mineral