Average Co-Inventor Count = 3.43
ph-index = 3
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. Societe Nationale Elf Aquitaine (Production) (4 from 215 patents)
4 patents:
1. 4594151 - Flotation of minerals
2. 4526696 - Flotation of minerals
3. 4521301 - Process of production of organic dithio-acids and their application
4. 4455262 - Process of production of organic dithio-acids