Average Co-Inventor Count = 2.40
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. Societe Nationale Elf Aquitaine (2 from 235 patents)
2 patents:
1. 5330015 - Application of scleroglucan muds to drilling deviated wells
2. 5306340 - Scleroglucan-based compositions and their use as a cementation spacer