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. Bp Chemicals International Limited (2 from 23 patents)
2 patents:
1. 3990999 - Catalyst compositions
2. 3960925 - Production of acrylonitrile by ammoxidation of propylene