Average Co-Inventor Count = 4.44
ph-index = 1
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. Elf Exploration Production (2 from 49 patents)
2 patents:
1. 6634442 - Process for using biodegradable drilling muds
2. 6426321 - Biodegradable drilling mud and process for its preparation