Average Co-Inventor Count = 2.00
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. Unichema Chemie B.v. (2 from 21 patents)
2 patents:
1. 5707945 - Base fluids
2. 5688750 - Base fluid