Average Co-Inventor Count = 4.00
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. The British Petroleum Company, P.l.c. (2 from 558 patents)
2. Intevep, S.a. (2 from 333 patents)
2 patents:
1. 4915819 - Treatment of viscous crude oils
2. 4781819 - Treatment of viscous crude oils