Average Co-Inventor Count = 3.00
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. Elf Aquitaine (2 from 29 patents)
2. Societe Nationale Elf Aquitaine (1 from 235 patents)
3. Elf Exploration Production (1 from 49 patents)
4 patents:
1. 6426321 - Biodegradable drilling mud and process for its preparation
2. 6190646 - Nutrient microemulsion in spray form, useful as a biodegradation accelerator
3. 5618725 - Oleophilic biodegrading additive and method of treating hybrocarbon
4. 5395646 - Process for the protection of solid surfaces, particularly coastal