Average Co-Inventor Count = 3.00
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. Bj Services Company (2 from 266 patents)
2 patents:
1. 7638468 - Surfactant based viscoelastic fluids
2. 7049436 - Carbon dioxide compatible non-aqueous crosslinked fracturing fluids and methods for their use